Grumman American GA-7 COUGAR 1987 Pilot Operating Handbook Download Page 129

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GRUMMAN AMERICAN

FOR TRAINING USE ONLY – SECTION 6

MODEL GA-7/COUGAR

WEIGHT AND BALANCE

6-1

Issued: April 10, 1978

SECTION 6

WEIGHT AND BALANCE

TABLE OF CONTENTS

INTRODUCTION ......................................................................................................................................................... 6-3
AIRPLANE WEIGHING PROCEDURES .......................................................................................................................... 6-3

PREPARATION........................................................................................................................................................ 6-3
LEVELING THE AIRPLANE ....................................................................................................................................... 6-3
MEASURING ARM .................................................................................................................................................. 6-5

AIRPLANE ON WHEELS ...................................................................................................................................... 6-5
AIRPLANE WEIGHT ON JACK PADS .................................................................................................................... 6-5

WEIGHING THE AIRPLANE ..................................................................................................................................... 6-5
COMPUTING CENTER OF GRAVITY AND AIRPLANE BASIC EMPTY WEIGHT .......................................................... 6-5
WEIGHT AND BALANCE ......................................................................................................................................... 6-7

SAMPLE LOADING PROBLEMS .......................................................................................................................... 6-8
LOADING GRAPH – MODEL GA-7 (COUGAR) .................................................................................................... 6-9
CENTER OF GRAVITY ENVELOPE – MODEL GA-7 (COUGAR) ........................................................................... 6-10

DETERMINING USEFUL LOAD .................................................................................................................................. 6-12
EQUIPMENT LIST ...................................................................................................................................................... 6-12

Summary of Contents for GA-7 COUGAR 1987

Page 1: ...N THE AIRPLANE AT ALL TIMES AND BE KEPT WITHIN REACH OF THE PILOT DURING ALL FLIGHT OPERATIONS THIS HANDBOOK INCLUDES THE MATERIAL REQUIRED TO BE FURNISHED TO THE PILOT BY FAR PART 23 AND ADDITIONAL I...

Page 2: ...GRUMMAN AMERICAN FOR TRAINING USE ONLY MODEL GA 7 COUGAR Issued April 10 1978 Revised September 14 1987 PAGE INTENTIONALLY BLANK...

Page 3: ...ld not be used for operational purposes until it has been updated to a current status On a changed page the portion of the text or illustration affected by the change is indicated by a vertical line i...

Page 4: ...easure or business flying in both comfort and economy This handbook has been prepared to help you obtain the maximum pleasure and utility from your airplane Read it carefully review it frequently and...

Page 5: ...Ft Endurance 6 7 hrs Range 730 NM RATE OF CLIMB AT SEA LEVEL Twin Engine 1160 fpm Single Engine 200 fpm SERVICE CEILING Twin Engine 17 400 Ft Single Engine 4250 Ft TAKEOFF PERFORMANCE Max Gross Weigh...

Page 6: ...during flight is located in the front portion of the handbook to provide easy access Each section of the handbook is marked with a plasticized tab divider The tab dividers are staggered for ease of r...

Page 7: ...0 1978 Revised September 14 1987 LIST OF SECTIONS SECTION GENERAL 1 LIMITATIONS 2 EMERGENCY PROCEDURES 3 NORMAL PROCEDURES 4 PERFORMANCE 5 WEIGHT BALANCE EQUIPMENT LIST 6 AIRPLANE SYSTEMS DESCRIPTIONS...

Page 8: ...ave been thus defective This warranty shall not in any way apply to or cover any products which are in GRUMMAN AMERICAN s opinion damaged as a result of being in any manner altered or repaired outside...

Page 9: ...MAXIMUM CERTIFICATED WEIGHTS 1 6 STANDARD AIRPLANE WEIGHTS 1 6 CABIN AND ENTRY DIMENSIONS 1 6 BAGGAGE SPACE AND ENTRY DIMENSIONS 1 6 SPECIFIC LOADINGS 1 6 SYMBOLS ABBREVIATIONS AND TERMINOLOGY 1 8 GEN...

Page 10: ...GRUMMAN AMERICAN FOR TRAINING USE ONLY SECTION 1 MODEL GA 7 COUGAR GENERAL 1 2 Issued April 10 1978 PAGE INTENTIONALLY BLANK...

Page 11: ...GRUMMAN AMERICAN FOR TRAINING USE ONLY SECTION 1 MODEL GA 7 COUGAR GENERAL 1 3 Issued April 10 1978 THREE VIEW Figure 1 1 Three View...

Page 12: ...ycoming Model Number 0 320 D1D Type Normally aspirated direct drive air cooled wet sump horizontally opposed four cylinder engine with 319 8 cubic inch displacement Horsepower Rating and Engine Speed...

Page 13: ...nsumption has stabilized Ashless Dispersant Oil Military Specification MIL L 22851 Figure 8 2 This specification oil should be used after the first 50 hours of engine operation NOTE The airplane is de...

Page 14: ...Landing 3800 pounds Weight in Baggage Compartment 175 pounds in the aft compartment and 75 pounds in nose compartment is maximum allowable if c g is within Center of Gravity Envelope Figure 6 6 Refer...

Page 15: ...GRUMMAN AMERICAN FOR TRAINING USE ONLY SECTION 1 MODEL GA 7 COUGAR GENERAL 1 7 Issued April 10 1978 Figure 1 2 Cabin Baggage and Entrance Dimensions...

Page 16: ...nd VA Maneuvering Speed is the maximum speed at which application of full available control will not overstress the airplane VFE Maximum Flap Extended Speed is the highest speed permissible with wing...

Page 17: ...t to 29 92 inches of mercury 1013 mb Pressure Altitude Pressure Altitude is altitude measured from standard sea level pressure 29 92 In Hg by a pressure or barometric altimeter It is the indicated pre...

Page 18: ...positions regulate the fuel air mixture Propeller Controls These levers request the governor to maintain rpm at a selected value and in the Maximum decrease rpm position feather the propellers Propel...

Page 19: ...ity of the crosswind component for which adequate control of the airplane during takeoff and landing was actually demonstrated during certification tests Climb Gradient The ratio of the change in heig...

Page 20: ...cated Jack Point One of the points on the airplane designed to rest on a jack Maximum Landing Weight Maximum Landing Weight is the maximum weight approved for the landing touchdown Maximum Takeoff Wei...

Page 21: ...S 2 5 PROPELLERS 2 5 POWER PLANT INSTRUMENT MARKINGS 2 6 FUEL GAUGES 2 6 GYRO PRESSURE GAUGE 2 6 WEIGHT LIMITS 2 6 CENTER OF GRAVITY LIMITS GEAR EXTENDED 2 7 MANEUVER LIMITS 2 7 NORMAL CATEGORY 2 7 AU...

Page 22: ...GRUMMAN AMERICAN FOR TRAINING USE ONLY SECTION 2 MODEL GA 7 COUGAR LIMITATIONS 2 2 Issued April 10 1978 PAGE INTENTIONALLY BLANK...

Page 23: ...umman American designed optional equipment are continued in Section B The Grumman American Model GA 7 COUGAR is certified under FAA Type Certificate A17S0 The airplane is equipped for day VFR with sta...

Page 24: ...nded Speed VLE 146 145 Do not exceed this speed with landing gear extended Maximum Landing Gear Operating Speed VLO Gear Retraction Gear Extension 115 146 115 145 Max landing gear retraction speed Do...

Page 25: ...C Maximum Oil Temperature 245 F 118 C Oil Pressure Normal Operating Idling 25 PSI Minimum 60 PSI Maximum 90 PSI Oil Pressure Start and Warm up Maximum 100 PSI Fuel Pressure Inlet to Carburetor Minimu...

Page 26: ...r Head Temperature 200 500 F 500 F 260 C Oil Temperature 75 245 F 245 F 118 C Fuel Pressure 0 5 PSI 0 5 8 PSI 8 PSI Oil Pressure 25 PSI 60 90 PSI 25 60 PSI 90 100 PSI 100 PSI Figure 2 3 FUEL GAUGES Ye...

Page 27: ...maneuver incidental to normal flying such as stalls except whip stalls lazy eights chandelles and steep turns in which the angle of bank is not more than 60 degrees AUTHORIZED MANEUVERS 1 Any maneuve...

Page 28: ...uipment installed the airplane is approved for day and night VFR and or IFR operations FUEL LIMITATIONS Two Tanks 59 U S gallons each Total Capacity 118 U S gallons Total Usable 114 U S gallons 57 gal...

Page 29: ...il 10 1978 REQUIRED PLACARDS The following operating information is displayed in the form of composite or individual placards On Instrument Panel Over Airspeed Indicator On Instrument Panel Over Circu...

Page 30: ...MERICAN FOR TRAINING USE ONLY SECTION 2 MODEL GA 7 COUGAR LIMITATIONS 2 10 Issued April 10 1978 Above Strobe Light Switch Over Left Rear Seat Window Near Landing Gear Handle Aft Baggage Compartment on...

Page 31: ...AMERICAN FOR TRAINING USE ONLY SECTION 2 MODEL GA 7 COUGAR LIMITATIONS 2 11 Issued April 10 1978 Aft Baggage Compartment Rear Seat Back Folded In Nose Baggage Compartment Above Cabin Door Handle On Ca...

Page 32: ...GRUMMAN AMERICAN FOR TRAINING USE ONLY SECTION 2 MODEL GA 7 COUGAR LIMITATIONS 2 12 Issued April 10 1978 Inside External Power Receptacle Cover Around Left and Right Fuel Filler Caps...

Page 33: ...GRUMMAN AMERICAN FOR TRAINING USE ONLY SECTION 2 MODEL GA 7 COUGAR LIMITATIONS 2 13 Issued April 10 1978 Mounted on Aft Bulkhead Left Front Side Panel Adjacent to Instrument Panel...

Page 34: ...GRUMMAN AMERICAN FOR TRAINING USE ONLY SECTION 2 MODEL GA 7 COUGAR LIMITATIONS 2 14 Issued April 10 1978 PAGE INTENTIONALLY BLANK...

Page 35: ...RATION 3 7 ONE ENGINE INOPERATIVE APPROACH 3 7 ONE ENGINE INOPERATIVE GO AROUND 3 8 ENGINE RESTARTS IN FLIGHT AFTER FEATHERING 3 8 FORCED LANDINGS 3 9 DUAL ENGINE FAILURE GLIDE 3 9 EMERGENCY LANDING W...

Page 36: ...ICAL SYSTEM EMERGENCY PROCEDURES 3 18 ALTERNATOR FAILURE SINGLE 3 18 ALTERNATOR FAILURE DUAL 3 19 FLIGHT INSTRUMENTS EMERGENCY PROCEDURES 3 20 INSTRUMENT AIR PRESSURE SYSTEM FAILURES 3 20 EMERGENCY WI...

Page 37: ...ISTANCE REMAINING TO STOP 3 29 WING OR ENGINE FIRE IN FLIGHT 3 29 INADVERTENT ICING ENCOUNTER 3 29 AIRFRAME ICING 3 29 CARBURETOR ICING 3 30 STATIC SOURCE BLOCKAGE 3 30 ERRONEOUS INSTRUMENT READING SU...

Page 38: ...SECTION 3 MODEL GA 7 COUGAR EMERGENCY PROCEDURES 3 4 Issued April 10 1978 EMERGENCY WINDOW EXIT 3 34 INADVERTENT OPENING OF CABIN DOOR IN FLIGHT 3 34 SPINS 3 34 FUEL MANAGEMENT WITH ONE ENGINE INOPER...

Page 39: ...g and sound pilot judgment can minimize en route emergencies due to bad weather conditions In the event that emergencies do develop the guidelines in this section should be considered and applied in g...

Page 40: ...way remains CLOSE BOTH THROTTLES IMMEDIATELY AND LAND IF AIRBORNE If the runway is inadequate for stopping the pilot must decide whether to abort the takeoff or to continue The decision must be based...

Page 41: ...lector As required to maintain fuel balance d Auxiliary Fuel Pump ON e Cowl Flap As required 9 Trim Tabs Adjust for a 5 bank toward operative engine 10 Electrical Load CHECK Decrease as required 11 La...

Page 42: ...e 5 Magneto Switches ON Without unfeathering accumulators a Move propeller control to low pitch full forward b Engage starter to accomplish unfeathering c If engine does not run try various other comb...

Page 43: ...in EMERGENCY LANDING WITHOUT ENGINE POWER 1 Airspeed 98 KIAS at 3800 pounds gross weight NOTE See Figure 3 1 Page 3 29 for best glide speed versus gross weight 2 Seat Belts and Shoulder Harnesses Secu...

Page 44: ...4 On soft or rough terrain a Keep wheels up b Reduce power to minimum during flare out c Magneto Switches OFF prior to contact d Land in slightly tail low attitude e Get clear of airplane as soon as p...

Page 45: ...IRE PROCEDURES ELECTRICAL FIRE IN FLIGHT 1 Alternator and Master Switches OFF 2 All Other Switches except Magneto Switches OFF 3 Cabin Air COOL 4 Vents CLOSED 5 Fire Extinguisher ACTIVATE if available...

Page 46: ...pect for damage CABIN VENTILATION PROCEDURES 1 Fresh Air Vents OPEN 2 Direct Vision Window OPEN 3 Cabin Heat Selectors COLD 4 Floor Heat Shutoffs OPEN 5 Defrosters ON ENGINE INDUCTION FIRE WHILE START...

Page 47: ...ifugal force causes ice to shed more readily 4 If icing conditions are unavoidable plan a landing at the nearest suitable airport 5 With ice accumulation of 1 4 inch or more on the wing leading edges...

Page 48: ...be worse than no heat at all since it may only partially melt the ice allowing it to refreeze further down in the intake system STATIC SOURCE BLOCKAGE ERRONEOUS INSTRUMENT READING SUSPECTED NOTE The a...

Page 49: ...rspeed Reduce to 100 KIAS or less 8 Landing Gear Control Recycle to RETRACT up position If gear still fails to retract 9 Landing Gear Control EXTEND down position Leave in EXTEND position LANDING GEAR...

Page 50: ...the defective landing gear 6 Master Switch OFF 7 Land wing low toward operative landing gear Lower nose wheel immediately for positive steering 8 Mixtures IDLE CUT OFF 9 Use full aileron in landing ro...

Page 51: ...nimize additional taxiing to prevent further damage LANDING WITH DEFECTIVE NOSE GEAR 1 If smooth and hard surface WARNING DO NOT EXCEED AFT C G LIMIT a Baggage and Passengers Move aft b Landing Gear E...

Page 52: ...ternator circuit breaker c Turn on affected alternator switch d If circuit breaker reopens turn off alternator 4 If circuit breaker is not tripped a Monitor output b If output is normal and failure li...

Page 53: ...lternator f Repeat Steps c through e for right alternator g If circuit breakers reopen prepare to terminate flight 4 If circuit breakers have not tripped a Turn off alternators b Check field circuit b...

Page 54: ...inches of mercury can be obtained b Monitor the magnetic compass and electric turn indicator to determine and evaluate DG and attitude indicator performance EMERGENCY WINDOW EXIT 1 Insert finger into...

Page 55: ...ue is based on the best available information FUEL MANAGEMENT WITH ONE ENGINE INOPERATIVE A cross feed system is provided to increase range during one engine inoperative operation Fuel system operatio...

Page 56: ...good engine is required in order to maintain directional control The other foot or dead foot is on the side of the dead engine As a backup check move the throttle of the engine believed to be dead The...

Page 57: ...the throttle of the inoperative engine may be advanced far enough to silence the landing gear warning horn Adjust the throttle propeller and mixture control on the operating engine as required for be...

Page 58: ...required for best power Raise the flaps retract the landing gear and open the cowl flap Maintain 85 KIAS ENGINE RESTARTS IN FLIGHT AFTER FEATHERING Move the fuel selector of the inoperative engine to...

Page 59: ...as possible Use brakes as required On soft or rough terrain keep the wheels up When the landing site is assured lower the flaps as required and turn the Master Switch OFF Approach airspeed should be 7...

Page 60: ...IAS AS SCHEDULED ZERO WIND BEST GLIDE SPEED WEIGHT POUNDS KIAS 3800 98 3200 91 2800 85 EXAMPLE ALTITUDE 9000 FT ABOVE GROUND LEVEL AGL WEIGHT 3700 LBS GLIDE DISTANCE 19 NAUTICAL MILES GLIDE SPEED 97 K...

Page 61: ...lded coat or seat cushion Accomplish touchdown with the wings level and the tail slightly low Evacuate the airplane as soon as possible Inflate life vests and raft EMERGENCY DESCENT PROCEDURES PREFERR...

Page 62: ...ems are operating or until malfunction is localized Turn the malfunctioning system off When certain that the fire is extinguished cabin air and heat controls may be set as desired CABIN FIRE At the fi...

Page 63: ...peller icing is evidenced by excessive vibration To clear the propellers momentarily reduce the engine speed to 2000 RPM by pulling the propeller control aft then rapidly move the control full forward...

Page 64: ...ture slightly for smoothest engine operation Partial carburetor heat may not clear the ice completely allowing it to refreeze further down in the induction system Always pull the carburetor heat contr...

Page 65: ...TS switch is OFF and the landing gear control is in the extend down position On the circuit breaker panel make sure the LG circuit breaker is in If the landing gear still fails to extend pull the LG c...

Page 66: ...and slightly wing low toward the inflated tire lowering the nose wheel immediately to ensure nose wheel steering capability Turn the control wheel toward the inflated tire using full aileron to lighte...

Page 67: ...ust the electrical load to within the capacity of the remaining alternator ALTERNATOR FAILURE DUAL In the event of a dual indication of alternator failure turn off all electrical loads and turn off th...

Page 68: ...derate elevator buffeting with the flaps down Secure seat belt or devise other restraint before attempting to close the door Open the pilot s window to reduce buffeting and reduce airspeed below 100 K...

Page 69: ...or valve of the operating engine in the X FEED position If ON turn the auxiliary fuel pump on the operating engine side OFF When landing use fuel from the fullest tank Turn both auxiliary fuel pumps O...

Page 70: ...GRUMMAN AMERICAN FOR TRAINING USE ONLY SECTION 3 MODEL GA 7 COUGAR EMERGENCY PROCEDURES 3 36 Issued April 10 1978 PAGE INTENTIONALLY BLANK...

Page 71: ...REFLIGHT INSPECTION 4 6 COCKPIT 4 6 RIGHT FUSELAGE 4 6 EMPENNAGE 4 6 LEFT FUSELAGE 4 6 LEFT WING 4 6 NOSE SECTION 4 7 RIGHT WING 4 7 ELECTRICAL SYSTEMS PREFLIGHT 4 8 COCKPIT 4 8 TAIL CONE 4 8 LEFT WIN...

Page 72: ...ALKED LANDING 4 14 NORMAL LANDING 4 14 AFTER LANDING 4 14 ENGINE SHUTDOWN SECURING AIRPLANE 4 14 AMPLIFIED NORMAL PROCEDURES 4 15 PREFLIGHT INSPECTION 4 15 STARTING ENGINES 4 15 AIRCRAFT POWER 4 15 EX...

Page 73: ...GAS TEMPERATURE SYSTEM 4 20 STALLS 4 21 DESCENT 4 21 BEFORE LANDING 4 22 LANDING 4 22 NORMAL LANDING 4 22 SHORT FIELD LANDING 4 22 CROSSWIND LANDING 4 22 BALKED LANDING 4 22 COLD WEATHER OPERATION 4 2...

Page 74: ...GRUMMAN AMERICAN FOR TRAINING USE ONLY SECTION 4 MODEL GA 7 COUGAR NORMAL PROCEDURES 4 4 Issued April 10 1978 PAGE INTENTIONALLY BLANK...

Page 75: ...sts NOTE Refer to Section 9 of this manual for operating procedures for airplanes equipped with specific options which may not be provided in this section AIRSPEEDS FOR SAFE OPERATION NOTE All airspee...

Page 76: ...hen OFF 14 Fuel Gauges CHECK 15 Master Switch OFF 16 Windshield and Windows CHECK 17 All necessary maps charts and spare fuses ABOARD RIGHT FUSELAGE 1 Baggage Door SECURE 2 Static Port CHECK Unobstruc...

Page 77: ...ECK 5 Nose Baggage Door SECURE 6 Battery Vent CHECK Unobstructed 7 Right Air Inlet CHECK 8 Chocks REMOVE 9 Landing Light CHECK RIGHT WING 1 Fuel Sump Drain CHECK 2 Propeller Spinner CHECK 3 Engine Air...

Page 78: ...ON 6 Landing Light ON TAIL CONE 1 Navigation Light ILLUMINATED 2 Strobe Light FLASHING LEFT WING 1 Navigation Light ILLUMINATED 2 Strobe Light FLASHING NOSE 1 Landing Light ILLUMINATED WARNING DO NOT...

Page 79: ...OFF LATCHED 17 Parking Brake SET 18 Master and Alternator Switches OFF 19 Magneto Switches OFF 20 Primer Spring Loaded to Center 21 Flight Instruments CHECKED 22 Engine Instruments CHECKED 23 Radios A...

Page 80: ...ure control in full rich 9 Throttle 800 to 1200 RPM for warm up 10 Oil Pressure 25 PSI within 30 seconds 11 Left Alternator Switch ON 12 Left Ammeter CHECKED 13 Engine Instrument CHECKED 14 Gyro Press...

Page 81: ...ropellers EXERCISE Normal RPM drop 150 to 250 AT 1800 RPM 6 Magnetos CHECK Maximum RPM drop 175 and 50 RPM differential 7 Alternators CHECK 8 Carburetor Heat ON Check for RPM drop then set to OFF 9 In...

Page 82: ...plished 6 Airspeed Establish desired climb speed when clear of obstacles Best angle of climb speed 81 KIAS 3800 lbs sea level Best rate of climb speed 95 KIAS 3800 lbs sea level Refer to Section 5 for...

Page 83: ...Hg 2500 RPM 5000 ft 2 Cowl Flaps CLOSED 3 Mixtures LEAN as required Use EGT gauge if installed Best power 100 F on the rich side of peak EGT 4 Trim AS REQUIRED 5 Engine Instruments CHECK DESCENT 1 Pow...

Page 84: ...arburetor Heat OFF 3 Cowl Flaps OPEN 4 Flaps UP 5 Avionics AS REQUIRED ENGINE SHUTDOWN SECURING AIRPLANE 1 Parking Brake SET 2 Propeller Controls HIGH RPM 3 Throttle Controls 1000 RPM 4 Electrical Avi...

Page 85: ...ntrols full forward mixture controls full rich fuel selectors to ON and open throttles approximately one half inch Place auxiliary fuel pumps ON and check for fuel pressure of 0 5 psi to 8 psi Turn au...

Page 86: ...taxiing should be done at slow speed and the controls should be positioned so that the effects of gusty wind are minimized Taxiing should be done with both engines operating A steerable nose wheel in...

Page 87: ...lly a sign of a too lean or too rich mixture Perform magneto check on both engines To minimize plug fouling do not operate on a single magneto for a long period A few seconds is usually sufficient to...

Page 88: ...d 61 KIAS be obtained as rapidly as possible Position the throttles to the full forward position NOTE The normal mixture for takeoff is FULL RICH During takeoff from a high elevation airport roughness...

Page 89: ...ed slowly This allows the airplane to start rolling before high RPM is developed and the gravel will be blown back of the propeller rather than pulled into it ENROUTE CLIMB Using full throttle and 270...

Page 90: ...e inoperative the mixture should be leaned to best power BEST POWER For best engine power lean the mixture as follows 1 Slowly move the mixture control from the FULL RICH position toward the LEAN posi...

Page 91: ...ry from accelerated entry or turning stalls should be initiated when a nose down pitch occurs or the elevator control reaches the aft stop whichever occurs first Onset of light to moderate tail buffet...

Page 92: ...elts and shoulder harnesses fastened and tightened A light shoulder harness increases the effectiveness of the seat belt substantially NORMAL LANDING Normal landings on hard and smooth surfaces are pe...

Page 93: ...nd the oil pressure remains normal and steady the airplane is ready for takeoff IN FLIGHT ENGINE ROUGHNESS Engine roughness is usually due to carburetor icing and may be accompanied by a slight loss o...

Page 94: ...RPM 2 Throttle Control Set 12 in Hg manifold pressure NOTE This setting will approximate zero thrust using recommended one engine inoperative climb speeds MINIMUM CONTROL AIRSPEED VMCA TRAINING PROCED...

Page 95: ...N NORMAL SYSTEM 5 9 TEMPERATURE CONVERSION CHART 5 10 STALL SPEEDS 5 11 CROSSWIND COMPONENT CHART 5 12 TAKEOFF DISTANCE NORMAL TAKEOFF 5 13 TAKEOFF DISTANCE SHORT FIELD TAKEOFF 5 14 CLIMB ONE ENGINE I...

Page 96: ...10 1978 CRUISE PERFORMANCE PRESSURE ALTITUDE 10 000 FEET 5 25 CRUISE PERFORMANCE PRESSURE ALTITUDE 12 000 FEET 5 26 CRUISE SPEEDS 5 27 RANGE PROFILE 5 28 ENDURANCE PROFILE 5 29 TIME FUEL AND DISTANCE...

Page 97: ...y cruise mixture peak EGT below 65 power Cruise performance does not include allowances for wind and or navigational errors All speeds quoted in this section are indicated airspeeds IAS except as note...

Page 98: ...ssure altitude at TUL 30 05 29 92 13 The pressure altitude at TUL is 130 feet below the field elevation 676 130 546 feet Pressure altitude at AMA 30 02 29 92 1 The pressure altitude at AMA is 100 feet...

Page 99: ...ance to Climb Cruise Climb Figure 5 12 at the initial altitude 546 feet OAT 29 C and weight 3750 pounds Also enter at the cruise altitude 8500 feet OAT 10 C and weight 3750 pounds Time to Climb 13 4 8...

Page 100: ...et yields Pressure Altitude Feet Power Setting RPM MAN Pressure Standard Temperature 20 C Above Standard Temperature Temp BHP KTAS B P F F GPH Temp BHP KTAS B P F F GPH 8500 2600 20 in 2 C 67 150 17 1...

Page 101: ...milar manner to the procedure used in determining takeoff distance Using 3800 pounds 4000 feet and 30 C the distance can be found from Figure 5 21 Ground Roll 836 feet Total distance to clear a 50 foo...

Page 102: ...ED AIRSPEED ASSUMES ZERO INSTRUMENT ERROR 2 CORRECTIONS ARE APPLICABLE FOR ALL GEAR AND FLAP POSITION EXAMPLE INDICATED AIRSPEED 130 KIAS CALIBRATED AIRSPEED 131 KCAS Normal Static Source KIAS KCAS 50...

Page 103: ...il 10 1978 ALTIMETER CORRECTION NORMAL SYSTEM NOTES INDICATED AIRSPEED AND INDICATED ALTITUDE ASSUME ZERO INSTRUMENT ERROR EXAMPLE IAS 140 KIAS INDICATED PRESSURE ALTITUDE 8000 FT ALTIMETER CORRECTION...

Page 104: ...N AMERICAN FOR TRAINING USE ONLY SECTION 5 MODEL GA 7 COUGAR PERFORMANCE 5 10 Issued April 10 1978 TEMPERATURE CONVERSION CHART EXAMPLE DEGREES F 70 F DEGREES C 21 C Figure 5 3 Temperature Conversion...

Page 105: ...66 KCAS Forward Center of Gravity Weight Pounds Configuration Angle of Bank 0 30 45 60 Flaps Gear KIAS KCAS KIAS KCAS KIAS KCAS KIAS KCAS 3800 0 30 Up Down 71 63 69 61 75 68 74 66 83 75 82 73 98 87 9...

Page 106: ...CE 5 12 Issued April 10 1978 CROSSWIND COMPONENT CHART NOTE DEMONSTRATED CROSSWIND COMPONENT IS 15 KNOTS EXAMPLE WIND SPEED 10 KNOTS ANGLE BETWEEN WIND DIRECTION AND FLIGHT PATH 10 HEADWIND COMPONENT...

Page 107: ...bs Feet Ground Roll Feet Total To Clear 50 Ft Obs Feet Ground Roll Feet Total To Clear 50 Ft Obs Feet 3800 65 76 SL 2000 4000 6000 8000 976 1181 1433 1744 2130 1802 2158 2592 3125 3780 992 1200 1456 1...

Page 108: ...r 50 Ft Obs Feet Ground Roll Feet Total To Clear 50 Ft Obs Feet Ground Roll Feet Total To Clear 50 Ft Obs Feet 3800 61 70 SL 2000 4000 6000 8000 820 992 1203 1465 1789 1510 1808 2172 2618 3168 833 100...

Page 109: ...OWER FULL THROTTLE AT 2700 RPM FLAPS 0 LANDING GEAR UP INOP PROPELLER FEATHERED COWL FLAPS CLOSED ON INOPERATIVE ENGINE MIXTURE BEST POWER WINGS BANKED 5 TOWARD OPERATIVE ENGINE WEIGHT POUNDS CLIMB SP...

Page 110: ...NOTE ONE ENGINE INOPERATIVE SERVICE CEILING IS THE MAXIMUM ALTITUDE WHERE THE AIRPLANE HAS THE CAPABILITY OF CLIMBING 50 FT MIN WITH INOPERATIVE PROPELLER FEATHERED ASSOCIATED CONDITIONS ONE ENGINE I...

Page 111: ...CRUISE CLIMB CLIMB SPEED 100 KIAS ASSOCIATED CONDITIONS POWER 2500 RPM 25 IN HG FULL THROTTLE ABOVE 4000 FT FLAPS 0 LANDING GEAR UP COWL FLAPS AS REQUIRED MIXTURE RECOMMENDED LEANING PROCEDURE EXAMPL...

Page 112: ...IONS POWER FULL THROTTLE AT 2700 RPM FLAPS 0 LANDING GEAR UP COWL FLAPS OPEN MIXTURE RECOMMENDED LEANING PROCEDURE WEIGHT POUNDS CLIMB SPEED KIAS SL 4000 FT 8000 FT 12000 FT 3800 95 91 87 83 3200 88 8...

Page 113: ...FT FUEL DENSITY 6 0 LBS GAL MIXTURE RECOMMENDED LEANING PROCEDURE COWL FLAPS OPEN NOTE FOR TOTAL FUEL USED ADD 2 6 GALLONS FOR START TAXI AND TAKEOFF EXAMPLE OAT 29 C 84 F OAT AT CRUISE 10 C 50 F AIR...

Page 114: ...S OPEN NOTE FOR TOTAL FUEL USED ADD 2 6 GALLONS FOR START TAXI AND TAKEOFF WEIGHT POUNDS CLIMB SPEED KIAS SL 4000 FT 8000 FT 12000 FT 3800 95 91 87 83 3200 88 84 80 77 2800 82 79 75 72 EXAMPLE OAT 29...

Page 115: ...25 24 15 14 13 79 74 70 65 61 153 150 146 142 137 20 19 18 17 16 24 15 14 13 13 76 72 67 63 59 155 151 147 142 136 20 19 18 17 15 24 15 14 13 12 2400 25 24 23 22 21 78 74 69 65 60 150 146 143 139 134...

Page 116: ...14 13 13 81 72 68 63 59 158 151 147 142 136 21 19 18 17 15 25 15 14 13 12 74 70 65 61 57 155 151 147 141 135 19 18 17 16 15 15 14 13 13 12 2400 24 23 22 21 20 76 72 67 63 58 151 147 143 139 133 20 19...

Page 117: ...24 15 14 13 12 74 70 65 61 57 155 151 146 141 134 19 18 17 16 15 15 14 13 13 12 72 68 63 59 55 156 151 146 140 133 19 18 17 15 14 15 14 13 12 11 2400 23 22 21 20 19 74 70 65 61 56 152 148 143 138 132...

Page 118: ...155 148 141 134 125 18 17 16 14 13 14 13 12 11 10 2500 21 20 19 18 17 70 66 61 56 52 151 146 140 133 126 18 17 16 15 14 14 13 13 12 11 68 63 59 54 50 151 145 139 132 123 18 17 15 14 13 14 13 12 11 10...

Page 119: ...4 49 153 147 140 132 123 18 17 15 14 13 14 13 12 11 10 65 61 56 52 48 152 146 139 129 116 17 16 15 14 13 13 13 12 11 10 2500 20 19 18 17 68 63 59 54 151 145 138 130 18 17 15 14 14 13 12 11 65 61 56 52...

Page 120: ...49 142 135 17 16 15 13 12 11 63 58 53 148 141 132 16 15 14 13 12 11 61 56 51 147 139 127 16 15 13 12 12 11 2600 18 17 16 63 58 53 146 139 131 16 15 14 13 12 11 60 56 51 145 137 127 16 15 13 12 12 11 5...

Page 121: ...IGHT 3800 LBS MIXTURE BEST POWER MIXTURE SETTING TEMPERATURE STANDARD DAY EXAMPLE PRESSURE ALTITUDE 8500 FT POWER SETTING 65 TRUE AIRSPEED 148 KNOTS NOTE WHEN BEST POWER FUEL FLOW IS NOT USED SPEED MA...

Page 122: ...O DESIRED ALTITUDE STANDARD DAY NOTE 1 RANGE COMPUTATIONS INCLUDE FUEL REQUIRED FOR START TAXI TAKEOFF CRUISE CLIMB TO ALTITUDE CRUISE DESCENT AND 45 MINUTES HOLDING FUEL AT 45 POWER 2 A BEST POWER FU...

Page 123: ...ED ALTITUDE STANDARD DAY NOTE 1 ENDURANCE COMPUTATIONS INCLUDE FUEL REQUIRED FOR START TAXI TAKEOFF CRUISE CLIMB TO ALTITUDE CRUISE DESCENT AND 45 MINUTES HOLDING FUEL AT 45 POWER 2 A BEST POWER FUEL...

Page 124: ...TO DESCEND DESCEND SPEED 150 KIAS ASSOCIATED CONDITIONS POWER AS REQUIRED TO MAINTAIN 500 FT MIN RATE OF DESCENT LANDING GEAR UP FLAPS 0 EXAMPLE INITIAL ALTITUDE 8500 FT FINAL ALTITUDE 5000 FT TIME TO...

Page 125: ...POWER AT 2700 RPM CAN BE MAINTAINED WITH THE FOLLOWING MANIFOLD PRESSURE PRESSURE ALTITUDE MANIFOLD PRESSURE SL 21 4000 FT 20 8000 FT 19 12 000 FT 18 EXAMPLE FUEL AVAILABLE FOR HOLDING 420 LBS 70 GAL...

Page 126: ...LANDING ASSOCIATED CONDITIONS POWER FULL THROTTLE AT 2700 RPM FLAPS 30 LANDING GEAR DOWN COWL FLAPS OPEN MIXTURE RECOMMENDED LEANING PROCEDURE WEIGHT POUNDS CLIMB SPEED KIAS 3800 80 3200 74 2800 69 E...

Page 127: ...721 765 815 871 1275 1351 1437 1532 1639 700 742 789 841 900 1311 1392 1481 1582 1694 720 763 812 867 928 1349 1433 1527 1632 1748 739 785 836 893 957 1386 1474 1573 1682 1804 759 807 860 920 987 142...

Page 128: ...GRUMMAN AMERICAN FOR TRAINING USE ONLY SECTION 5 MODEL GA 7 COUGAR PERFORMANCE 5 34 Issued April 10 1978 PAGE INTENTIONALLY BLANK...

Page 129: ...RES 6 3 PREPARATION 6 3 LEVELING THE AIRPLANE 6 3 MEASURING ARM 6 5 AIRPLANE ON WHEELS 6 5 AIRPLANE WEIGHT ON JACK PADS 6 5 WEIGHING THE AIRPLANE 6 5 COMPUTING CENTER OF GRAVITY AND AIRPLANE BASIC EMP...

Page 130: ...GRUMMAN AMERICAN FOR TRAINING USE ONLY SECTION 6 MODEL GA 7 COUGAR WEIGHT AND BALANCE 6 2 Issued April 10 1978 PAGE INTENTIONALLY BLANK...

Page 131: ...ise wing flaps to full up position 6 Place all controls in their neutral position 7 Ensure that all objects not part of the airplane or its accessories are removed from the airplane 8 Clean the airpla...

Page 132: ...GRUMMAN AMERICAN FOR TRAINING USE ONLY SECTION 6 MODEL GA 7 COUGAR WEIGHT AND BALANCE 6 4 Issued April 10 1978 Figure 6 1 Leveling Airplane Bottom of Fuselage...

Page 133: ...landing gears c Record measurement B in the Airplane Weighing Form Figure 6 2 AIRPLANE WEIGHT ON JACK PADS 1 Measurements A and B not needed 2 See Sample Airplane Weighing WEIGHING THE AIRPLANE 1 With...

Page 134: ...RPLANE WEIGHING FORM Measurement A __________ Measurement B __________ Scale Position Scale Reading Tare Symbol Net Weight Scale Reading Tare Left Wheel L Right Wheel R Nose Wheel N TOTAL NET WEIGHT L...

Page 135: ...irplane use the Sample Loading Problem Figure 6 4 Loading Graph Figure 6 5 and Center of Gravity Envelope Figure 6 6 as follows 1 Record the Basic Empty Weight and Moment as calculated in Figure 6 3 o...

Page 136: ...456 00 112 00 51 072 Pilot and Copilot 340 00 91 00 30 940 Rear Seat Passengers 340 00 128 00 43 520 Baggage in aft baggage compartment Max Cap 175 lbs 45 00 160 00 7 200 Baggage in fwd baggage compa...

Page 137: ...GRUMMAN AMERICAN FOR TRAINING USE ONLY SECTION 6 MODEL GA 7 COUGAR WEIGHT AND BALANCE 6 9 Issued April 10 1978 LOADING GRAPH MODEL GA 7 COUGAR Figure 6 5 Loading Graph...

Page 138: ...GRUMMAN AMERICAN FOR TRAINING USE ONLY SECTION 6 MODEL GA 7 COUGAR WEIGHT AND BALANCE 6 10 Issued April 10 1978 CENTER OF GRAVITY ENVELOPE MODEL GA 7 COUGAR Figure 6 6 Center of Gravity Envelope...

Page 139: ...GRUMMAN AMERICAN FOR TRAINING USE ONLY SECTION 6 MODEL GA 7 COUGAR WEIGHT AND BALANCE 6 11 Issued April 10 1978 Figure 6 7 Seating Cargo Arrangement and Center of Gravity Locations...

Page 140: ...net change values for the weight and arm are shown GRUMMAN AMERICAN GA 7 COUGAR EQUIPMENT LIST NOTES Suffix letters to item numbers R required items of equipment for FAA certification S standard equi...

Page 141: ...nk Quick Drains Exchange Negligible 013 R Airspeed Indicator 50 66 25 014 R True Airspeed Indicator 50 66 25 015 R Altimeter Sensitive in Ft Inches Exchange 88 66 25 016 R Magnetic Compass 67 72 00 01...

Page 142: ...0A with Mounting Brackets 2 13 00ea 46 00 056 R Voltage Regulator 2 85ea 29 10 057 R Over Voltage Protection Relay 2 26ea 29 10 058 A Auxiliary Power Receptacle 2 90 150 00 059 S Electric Flap Drive 6...

Page 143: ...KI 204 KN 75 12 25 87 03 088 A King KX 175B KI 203 VOR LOC Indicator 9 42 71 19 089 A King KR 85 KI 225 KA 42B 9 90 93 20 090 A King KMA 20 Audio Marker 3 95 100 58 091 A King KT 76A Transponder 3 90...

Page 144: ...152 70 112 O Altimeter 5934 1 United Instruments Exchange 88 66 25 113 A Rear Seat Console 4 30 128 50 114 A Child Seat Installation 9 20 175 30 115 A Control Wheel Microphone Button Installation 07...

Page 145: ...TROL SYSTEM Figure 7 4 7 8 RUDDER TRIM SYSTEM Figure 7 5 7 8 WING FLAP SYSTEM 7 8 INSTRUMENT PANEL Figure 7 7 7 9 FLIGHT INSTRUMENTS Figure 7 7 7 9 POWER PLANT INSTRUMENTS Figure 7 7 7 9 CONTROLS 7 9...

Page 146: ...ITION SYSTEM 7 22 AIR INDUCTION SYSTEM 7 23 EXHAUST SYSTEM 7 23 ENGINE COOLING 7 23 COWL FLAPS 7 23 ENGINE MOUNTS 7 23 PROPELLERS 7 23 HYDRAULIC SYSTEM Figure 7 11 7 24 HYDRAULIC POWER PACK 7 24 BRAKE...

Page 147: ...The stabilizer consists of reinforced rear spar center ribs forward spar nose ribs and bonded skins The elevators consist of a front spar aft spar ribs skins balance weights bracketry and skin stiffe...

Page 148: ...avy on the left wing when flying solo The aileron trim control knob is connected by a system of levers and pushrods to a bungee at the top of the control column Figure 7 1 With the control knob in the...

Page 149: ...GRUMMAN AMERICAN FOR TRAINING USE ONLY SECTION 7 MODEL GA 7 COUGAR AIRPLANE SYSTEMS DESCRIPTIONS 7 5 Issued April 10 1978 Figure 7 1 Aileron Control System Sheet 1 of 2...

Page 150: ...GRUMMAN AMERICAN FOR TRAINING USE ONLY SECTION 7 MODEL GA 7 COUGAR AIRPLANE SYSTEMS DESCRIPTIONS 7 6 Issued April 10 1978 Figure 7 1 Aileron Control System Sheet 2 of 2...

Page 151: ...GRUMMAN AMERICAN FOR TRAINING USE ONLY SECTION 7 MODEL GA 7 COUGAR AIRPLANE SYSTEMS DESCRIPTIONS 7 7 Issued April 10 1978 Figure 7 2 Elevator Control System...

Page 152: ...horn assembly extending from the left hand side of the trim is connected to the control system by an adjustable pushrod extending through the rudder structure As the rudder trim tab control wheel is r...

Page 153: ...wer portion of the instrument panel and consist of a dual manifold pressure gauge dual tachometer fuel quantity indicators oil pressure and oil temperature gauges ammeters fuel pressure and cylinder h...

Page 154: ...GRUMMAN AMERICAN FOR TRAINING USE ONLY SECTION 7 MODEL GA 7 COUGAR AIRPLANE SYSTEMS DESCRIPTIONS 7 10 Issued April 10 1978 Figure 7 3 Elevator Trim System...

Page 155: ...GRUMMAN AMERICAN FOR TRAINING USE ONLY SECTION 7 MODEL GA 7 COUGAR AIRPLANE SYSTEMS DESCRIPTIONS 7 11 Issued April 10 1978 Figure 7 4 Rudder Control System...

Page 156: ...GRUMMAN AMERICAN FOR TRAINING USE ONLY SECTION 7 MODEL GA 7 COUGAR AIRPLANE SYSTEMS DESCRIPTIONS 7 12 Issued April 10 1978 Figure 7 5 Rudder Trim System...

Page 157: ...GRUMMAN AMERICAN FOR TRAINING USE ONLY SECTION 7 MODEL GA 7 COUGAR AIRPLANE SYSTEMS DESCRIPTIONS 7 13 Issued April 10 1978 Figure 7 6 Flap Drive Mechanism...

Page 158: ...essure System Indicator Opt 17 Hour Meter 18 Circuit Breakers 19 Fresh Air Vent Controls 20 Fresh Air Vents 21 Cigar Lighter Opt 22 Instrument Cluster 23 Flap Control Switch 24 Flap Position Indicator...

Page 159: ...ng the nose gear through approximately 35 degrees with differential power and braking Smooth turning is accomplished by allowing the airplane to roll while depressing the appropriate rudder pedal The...

Page 160: ...GRUMMAN AMERICAN FOR TRAINING USE ONLY SECTION 7 MODEL GA 7 COUGAR AIRPLANE SYSTEMS DESCRIPTIONS 7 16 Issued April 10 1978 Figure 7 9 Minimum Turning Radius...

Page 161: ...down lock piston switches and three overcenter down switches are actuated the hydraulic pump is shut off and the three green lights are illuminated The gears are held down by overcenter braces and loc...

Page 162: ...tanks are integral parts of the wing located between the main and rear wing spars Solid end ribs are used to close off inboard and outboard ends of the bay Total volume both tanks is 118 gallons with...

Page 163: ...e transmitters consist of a float attached to a pivoted rod one end of which is a rheostat wiper Changes in fuel level causes angular travel of the float which increases or decreases the amount of res...

Page 164: ...59 GAL MAX 57 USABLE ON ON ELEC FUEL PUMP ELEC FUEL PUMP ENG FUEL PUMP ENG FUEL PUMP CARBURETOR CARBURETOR PRIMER SOLENOID PRIMER SOLENOID LEFTENGINE RIGHT ENGINE VENT VENT SUMP TANK SUMP TANK SELECT...

Page 165: ...ring any baggage or cargo carried in the nose section Refer to Section 6 for loading information SEATS AND BELTS Contoured front seats are individually adjustable fore and aft using the adjustment lev...

Page 166: ...he bypass valve routes the oil out of the accessory housing and into a flexible hose leading to the oil cooler on the left rear of the engine Oil from the cooler returns to the accessory housing where...

Page 167: ...exhausted through an exit duct in the bottom of the engine cowling COWL FLAPS Each engine has a cowl flap located in the lower cowling The cowl flaps control engine heat and are controlled by manual c...

Page 168: ...master cylinders are connected to each rudder pedal The master cylinders are connected to wheel cylinders through lines and hose assemblies The brakes are operated from the pilot s rudder pedals Brake...

Page 169: ...GRUMMAN AMERICAN FOR TRAINING USE ONLY SECTION 7 MODEL GA 7 COUGAR AIRPLANE SYSTEMS DESCRIPTIONS 7 25 Issued April 10 1978 Figure 7 11 Hydraulic System Schematic Gear Retracted...

Page 170: ...GRUMMAN AMERICAN FOR TRAINING USE ONLY SECTION 7 MODEL GA 7 COUGAR AIRPLANE SYSTEMS DESCRIPTIONS 7 26 Issued April 10 1978 Figure 7 11A Hydraulic System Schematic Gear Retracted...

Page 171: ...tem bus voltage at 14 0 volts Also incorporated in the system are overvoltage relays one for each alternator circuit which prevents damage to electrical and avionic equipment in case of regulator malf...

Page 172: ...ERE MAIN DC BUS ALTERNATOR FAULT INDICATOR BATTERY 12 VOLT 25 AMPERE HOUR EXTERNAL POWER RECEPTACLE EXTERNAL POWER SOLENOID BATTERY SOLENOID RADIO BUS STARTER BUTTON STARTER SOLENOID STARTER BUTTON ST...

Page 173: ...and one for the walkway are available as optional equipment The step light is located above the step beneath the inboard wing The walkway light is located above the walkway on the side of the fuselag...

Page 174: ...ion occur the Bull s Eye for that pump will appear in the dial face Figure 7 13 Pressure System Schematic PITOT STATIC SYSTEM The pitot static system supplies ram air pressure to the airspeed indicato...

Page 175: ...lve controls on the instrument panel and adjustable outlets and ducting connecting the system A means of exhaust for air brought into the cabin by the three systems is provided by a cabin air exit sco...

Page 176: ...GRUMMAN AMERICAN FOR TRAINING USE ONLY SECTION 7 MODEL GA 7 COUGAR AIRPLANE SYSTEMS DESCRIPTIONS 7 32 Issued April 10 1978 Figure 7 14 Heating and Defrosting Systems...

Page 177: ...ON PERIODS 8 4 PILOT CONDUCTED PREVENTIVE MAINTENANCE 8 5 ALTERATIONS OR REPAIR TO AIRPLANE 8 5 GROUND HANDLING 8 5 STEERING 8 5 PARKING 8 5 TIE DOWN 8 6 JACKING 8 6 LEVELING 8 6 FLYABLE STORAGE 8 6 S...

Page 178: ...GRUMMAN AMERICAN FOR TRAINING USE ONLY SECTION 8 MODEL GA 7 COUGAR HANDLING SERVICE MAINTENANCE 8 2 Issued April 10 1978 ENGINE CLEANING 8 10 INTERIOR CARE 8 10 RECOMMENDED LUBRICANTS 8 12...

Page 179: ...IFICATION PLATE All correspondence regarding your airplane should include its serial number This number together with the model number type certificate number and production certificate number is stam...

Page 180: ...nual 3 To be available upon request a Airplane Log Book b Engine Log Book The items listed are required by the United States Federal Aviation Regulations and by the Federal Communications Commission i...

Page 181: ...at airworthiness of the airplane is not violated Alterations or repairs to the airplane must be accomplished by licensed personnel GROUND HANDLING STEERING Steering of the airplane should be accomplis...

Page 182: ...he airplane as described in Section 6 FLYABLE STORAGE Airplanes placed in storage for a maximum of 30 days or those which receive only intermittent use for the first 25 hours are considered in flyable...

Page 183: ...y with a corrosion preventive aircraft engine oil If oil must be added during the first 25 hours of engine operation use only aviation grade straight mineral oil Gulf 40 or equivalent conforming to Sp...

Page 184: ...inch of the reservoir top with hydraulic fluid conforming to MIL H 5606 The brake linings and brake disc should be inspected during the preflight inspection If the linings are less than 1 10 inch 0 10...

Page 185: ...edges of wings and tail surfaces propeller spinner and blades is recommended WINDSHIELD AND WINDOW CARE It is recommended that you keep the Plexiglas in the windshield and cabin window clean and unsc...

Page 186: ...ean the interior regularly with a vacuum cleaner to remove dust and loose dirt from the upholstery and carpet If liquid coffee etc is spilled on the upholstery or carpet lot it up promptly with cleans...

Page 187: ...GRUMMAN AMERICAN FOR TRAINING USE ONLY SECTION 8 MODEL GA 7 COUGAR HANDLING SERVICE MAINTENANCE 8 11 Issued April 10 1978 Figure 8 1 Servicing Points...

Page 188: ...IL G 6711 GRAPHITE Note 1 Graphite Graphite Graphite Dixon Company Electrofilm Company Electro Graph Company MIL H 5606 HYDRAULIC FLUID Note 1 3125 HVD Oil Brayco Micronic 756C PED 3337 3335 Royco 756...

Page 189: ...ants Company American Oil Company Texaco Inc MIL G 7711 GREASE Note 1 Aeroshell No 6 Regal AFB 2 Shell Oil Company Texaco Inc MIL L 6082B ENGINE OIL Notes 1 and 2 Aeroshell W 120 Aeroshell W80 Aeroshe...

Page 190: ...il Company Exxon Company Exxon Company Exxon Company Champlin Oil Refining Company Champlin Oil Refining Company Ashless Dispersant Oils with additives conforming to MIL L 22851 Straight Mineral Oil N...

Page 191: ...GRUMMAN AMERICAN FOR TRAINING USE ONLY SECTION 9 MODEL GA 7 COUGAR SUPPLEMENTS 9 1 Issued April 10 1978 SECTION 9 SUPPLEMENTS TABLE OF CONTENTS INTRODUCTION 9 2 LOG OF SUPPLEMENTS 9 3...

Page 192: ...on consists of a series of supplements Each supplement contains a brief description and when applicable operating limitations emergency and normal procedures and performance Routinely installed items...

Page 193: ...ual LOG OF SUPPLEMENTS FAA Supplements must be in the airplane for flight operation when subject equipment is installed Supplement No Part No Subject Rev No Date 1 2 3 4 68S411 1S 68S410 1S Century II...

Page 194: ...PROCEDURES 1 In the event of an autopilot malfunction the autopilot can be disconnected by pushing the roll ON OFF switch to OFF 2 The autopilot can be overpowered at either control wheel 3 An autopil...

Page 195: ...7 COUGAR SUPPLEMENTS 9 5 Issued April 10 1978 SECTION 5 PERFORMANCE There is no change to the performance of the airplane due to the autopilot s installation FAA APPROVED ACTIVE CHIEF ENGINEERING AND...

Page 196: ...ding 3 Placard stating Conduct trim check prior to flight See P O H to be installed in clear view of pilot SECTION 3 EMERGENCY PROCEDURES This airplane is equipped with a master disconnect interrupt s...

Page 197: ...Disengage autopilot conduct remainder of approach manually b Engine failure during go around Disengage autopilot retrim airplane perform normal airplane engine out procedures then re engage autopilot...

Page 198: ...tion 2 Refer to Edo Aire Mitchell Pilot s Operating Manual P N 68S25 dated 2 71 for autopilot preflight and normal inflight procedures and DG 360A NSD 360A Operator s Manual P N 68S85 dated 4 1 74 rev...

Page 199: ...tem check SPECIAL OPERATIONS AND INFORMATION 1 Initial and or intermediate approach segment should be conducted at approximately 90 to 100 KIAS with the flaps extended up to 20 and the gear down Upon...

Page 200: ...AMERICAN FOR TRAINING USE ONLY SECTION 9 MODEL GA 7 COUGAR SUPPLEMENTS 9 10 Issued April 10 1978 SECTION 5 PERFORMANCE There is no change to the performance of the airplane due to the autopilot s inst...

Page 201: ...OPERATING HANDBOOK AND FAA APPROVED AIRPLANE FLIGHT MANUAL SUPPLEMENT NO 4 PRESSURE CONVERSION INCHES OF MERCURY TO MILLIBARS EXAMPLE PRESSURE IN HG 30 02 PRESSURE MILLIBARS 1016 6 950 960 970 980 99...

Page 202: ...GRUMMAN AMERICAN FOR TRAINING USE ONLY SECTION 9 MODEL GA 7 COUGAR SUPPLEMENTS 9 12 Issued April 10 1978 PAGE INTENTIONALLY BLANK...

Page 203: ...N MANUAL 10 5 ADVISORY INFORMATION 10 5 GENERAL INFORMATION ON SPECIFIC TOPICS 10 5 FLIGHT PLANNING 10 5 INSPECTION MAINTENANCE 10 6 SPECIAL CONDITIONS AND PRECAUTIONS 10 6 WALK AROUND INSPECTIONS 10...

Page 204: ...FORMATION 10 2 Issued April 10 1978 TAKEOFF AND LANDING CONDITIONS 10 10 MEDICAL FACTS FOR PILOTS 10 11 GENERAL 10 11 FATIGUE 10 11 HYPOXIA 10 11 HYPERVENTILATION 10 11 ALCOHOL 10 12 DRUGS 10 12 SCUBA...

Page 205: ...pes of airplanes Your Grumman American airplane is built to provide you with many years of safe and efficient transportation By maintaining it properly and flying it prudently you will realize its ful...

Page 206: ...regulations are designed for your own protection compliance with them is not only mandatory but beneficial to you RULES AND REGULATIONS Federal Aviation Regulations Part 91 General Operating and Fligh...

Page 207: ...A NOTAMS and Airman Advisories These documents are also available at most FAA Flight Service Stations and at many Fixed Base Operations When using these documents ensure that they are current prior to...

Page 208: ...maintained in an airworthy condition and proper maintenance records are kept While the following items cannot substitute for the pre flight specified for each type of airplane they will serve as remin...

Page 209: ...ch the lead content is limited to 2cc per gallon are approved for continuous use in all Avco Lycoming engines installed in Grumman American Aviation Corporation airplanes Several procedures may be obs...

Page 210: ...t in turbulent air may be encountered under certain conditions Flying through turbulent air presents two basic problems to both of which the answer is proper airspeed If you maintain an excessive airs...

Page 211: ...eas of low ceilings and restricted visibility unless you are instrument proficient and have an instrument equipped airplane then proceed with caution and have planned alternates VFR AT NIGHT When flyi...

Page 212: ...have been recorded Exhaust velocities from large airplanes at takeoff have been measured at 25 MPH 2100 feet behind medium large airplanes Encountering the rolling effect of wing tip vortices within 2...

Page 213: ...ogressively insufficient oxygen at higher altitudes anything interfering with the blood s ability to carry oxygen can contribute to hypoxia anemia carbon monoxide and certain drugs Also alcohol and va...

Page 214: ...ying The safest rule is to take no medicine before or while flying except on the advice of your Aviation Medical Examiner SCUBA DIVING Flying shortly after any prolonged scuba diving could be dangerou...

Page 215: ...HECK Master Switch OFF Windshield and Windows CHECK All necessary maps charts and Spare Fuses ABOARD 2 Right Fuselage Baggage Door SECURE Static Port CHECK Unobstructed Fuselage CHECK Condition 3 Empe...

Page 216: ...SECURE Battery Vent CHECK Unobstructed Right Air Inlet CHECK Chocks REMOVE Landing Light CHECK 7 Right Wing Fuel Sump Drain CHECK Propeller Spinner CHECK Engine Air Intakes CHECK Engine Cowling CHECK...

Page 217: ...Warning Vanes 2 Lift inboard vane check that stall warning horn sounds Navigation Light ILLUMINATED Strobe Light FLASHING 6 Cockpit Master Switch OFF Navigation Lights OFF Strobe Lights OFF Pitot Hea...

Page 218: ...SSARY Throttle 800 to 1200 RPM for warm up Oil Pressure 25 PSI within 30 seconds Alternator Switch ON Engine Instruments CHECKED Gyro Pressure Gauge CHECKED Using the same procedure start other engine...

Page 219: ...t right engine using Airplane Power procedure BEFORE TAXI Radios Transponder ON STANDBY Altimeters Gyros Clock SET Autopilot CHECKED OFF Electric Trim CHECKED SET Exterior Lights AS REQUIRED Park Brak...

Page 220: ...to 75 KIAS Minimum control speed is 61 KIAS Landing Gear Retract when positive rate of climb is established and a landing can no longer be accomplished Airspeed Establish desired climb speed when cle...

Page 221: ...00 ft 24 in Hg 2500 RPM 5000 ft Cowl Flaps CLOSED Mixtures LEAN as required Use EGT gauge if installed Best power 100 F on the rich side of peak EGT Trim AS REQUIRED Engine Instruments CHECK DESCENT P...

Page 222: ...nding Roll Lower Nosewheel Gently Braking Minimum required AFTER LANDING Auxiliary Fuel Pumps OFF Carburetor Heat OFF Cowl Flaps OPEN Flaps UP Avionics AS REQUIRED ENGINE SHUTDOWN SECURING AIRPLANE Pa...

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