Pipistrel Sinus 912 LSA LSA-GLIDER Pilot Operating Handbook Download Page 59

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Sinus 912 LSA Glider 550 MTOW

www.pipistrel.eu

REV. 3

Power plant

Sinus 912 LSA is equipped with Rotax 912 UL 80 HP engine

Engine description:

Engine:

ROTAX 912 UL 80 HP (4-stroke boxer, four cylinders, 1211 cm

)

twin carburated - dual electronic ignition

cooling:

crank case aircooled, cylinder heads watercooled - own radiator and

pump, other moving parts oilcooled - own radiator and pump

lubrication:

centrally oiled - own oil pump and radiator

reduction gearbox:

integrated

reduction ratio:

1 : 2.27

el. generator output power:

250 W at 5500 RPM

starter:

electric

engine power:

80 HP at 5800 RPM

battery:

12 V, 10 Ah

All metal cables used are fire resistant, kept inside metal, self-lubricating flexible tubes.

Schematic of throttle and choke control

Throttle

Choke

Throttle

Choke

2130mm/2280mm

1600mm/1670mm

1200mm/970mm

1200mm/1400mm

410mm/620mm

420/800mm

Description of Aircraft & Systems

7-7

Summary of Contents for Sinus 912 LSA LSA-GLIDER

Page 1: ...is publication includes the material required to be furnished to the pilot by ASTM F2564 F2279 F2295 applies to LSA GLIDER version of Sinus 912 LSA flown at 550 kgs MTOM equipped with Rotax 912 UL 80 HP engine Tail wheel version owners see Supplemental sheet at the back of this manual Pilot s Operating Handbook and Flight Training Supplement REVISION 3 24th April 2015 Aircraft Registration Number ...

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Page 3: ...500 ft The above performance figures are based on airplane weight at 1210 lbs 550 kg standard atmospheric conditions level hard surfaced dry runways and no wind They are calcu lated valued derived from flight test conducted by Pipistrel LSA s r l under carefully documented conditions and will vary with individual airplanes and numerous factors surface condition tem perature water on wing etc Sinus...

Page 4: ...e page with the latest revision shall be used in the POH The revision level on the Log Of Effective Pages shall also agree with the revision level of the page in question Alternative to removing and or replacing individual pages the owner can also print out a whole new manual in its current form which is always available from www pipistrel eu Revised material is marked with a vertical double bar t...

Page 5: ...e familiar with the current release of the operation relevant documentation which includes this POH Designation Reason for Revision Release date Affected pages Issuer Original 25 October 2010 Tomazic Pipistrel LSA s r l Revision 1 ASTM Reference 14 December 2012 Cover M Coates Pipistrel LSA s r l Revision 2 Reordering of chapters to comply with ASTM F2746 12 31 January 2014 All M Coates Pipistrel ...

Page 6: ...evised 2 1 3 Revised 2 6 6 Revised 2 1 4 Revised 2 7 1 Revised 2 1 5 Revised 2 7 2 Revised 2 1 6 Revised 2 7 3 Revised 2 2 1 Revised 2 7 4 Revised 2 2 2 Revised 2 7 5 Revised 2 2 3 Revised 2 7 6 Revised 2 2 4 Revised 2 7 7 Revised 2 2 5 Revised 2 7 8 Revised 2 2 6 Revised 2 7 9 Revised 2 2 7 Revised 3 7 10 Revised 2 2 8 Revised 2 7 11 Revised 2 3 1 Revised 2 7 12 Revised 2 3 2 Revised 2 7 13 Revis...

Page 7: ...14 Revised 2 9 15 Revised 2 9 16 Revised 2 9 17 Revised 2 9 18 Revised 2 9 19 Revised 2 9 20 Revised 2 10 1 Revised 2 10 2 Revised 2 10 3 Revised 2 10 4 Revised 2 10 5 Revised 2 10 6 Revised 2 Checklist Revised 2 CAUTION This manual is valid only if it contains all of the original and revised pages listed above Each page to be revised must be removed shredded and later replaced with the new revise...

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Page 9: ... www pipistrel eu REV 3 Table of contents 1 General 2 Limitations 3 Emergency procedures 4 Normal procedures 5 Performance 6 Weight and balance 7 Description of aircraft systems 8 Handling and service 9 Appendix 10 Supplements 0 1 ...

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Page 11: ...s 912 LSA Glider 550 MTOW www pipistrel eu REV 3 Introduction 1 2 Technical brief 1 2 3 view drawing 1 3 Powerplant fuel oil 1 4 Weights 1 6 Centreofgravityrange 1 6 G load factors 1 6 1General General 1 1 ...

Page 12: ...al contains all information needed for appropriate and safe use of Sinus 912 LSA IT IS MANDATORY TO CAREFULLY STUDY THIS MANUAL PRIOR TO USE OF AIRCRAFT In case of aircraft damage or people injury resulting form disobeying instructions in the manual PIPISTREL LSA s r l denies all responsibility All text design layout and graphics are owned by PIPISTREL LSA s r l Therefore this manual and any of it...

Page 13: ...Sinus 912 LSA Glider 550 MTOW www pipistrel eu REV 3 3 view drawing General 1 3 ...

Page 14: ...d recommended 5500 RPM on ground max allowable 5800 magneto check at RPM 4000 max single magneto drop RPM 300 Fuel and oil ROTAX ENGINE 912 UL 80 HP recommended fuel unleaded super grade 87 and up no alcohol content also approved fuels leaded or AVGAS 100LL recommended oil API SJ SAE 10W 50 oil capacity typical 3 quarts 3 liters check dipstick Engine life is reduced Should you be forced to used th...

Page 15: ...ted only through the fuel filler on the wing by visual check At the same time verify that the vent tubes remain unobstructed from contamination Propeller Sinus 912 LSA Propeller Sinus 912 LSA with Rotax 912 UL 80 HP Pipistrel F2 80 Sinus 912 LSA with Rotax 912 UL 80 HP Pipistrel Vario Engine instrument markings Instrument Red line minimum Green arc normal Yellow arc caution Red line maximum Tachom...

Page 16: ...e weight as this is the only applicable mass on the airframe that has an influence on centre of gravity Exceeding baggage weight limits can shift aircraft s balance to the point when the flight becomes uncon trollable More information on baggage allowance can be found in chapter Weight and Balance Luggage access if via the optional side access door for larger items the seat folds and the luggage c...

Page 17: ...s 2 2 Powerplant limitations 2 3 Weight limits 2 4 Cockpit crew 2 4 Centre of gravity limits 2 4 Load factors 2 5 Serviceceilingandairspeedreductions 2 5 Manoeuvre limits 2 5 Kinds of operations 2 6 Minimum equipment list 2 6 Other restrictions 2 7 Placards 2 8 2Limitations Limitations 2 1 ...

Page 18: ...ller version Do not restart the en gine in flight beyond this speed Airspeed indicator markings MARKING IAS kts km h Definition White band 34 70 64 130 Full Flap Operating Range Lower limit is the maximum weight VS0 in landing configuration Upper limit is maxi mum speed permitted with flaps extended Green band 40 76 74 141 Normal Operating Range Lower end is maximum weight VS1 at most forward C G ...

Page 19: ...olutions RPM on ground recommended 5500 RPM on ground max allowable 5800 ignition check at RPM 4000 max single ignition drop RPM 300 Fuel and oil ROTAX ENGINE 912 UL 80 HP recommended fuel unleaded super grade 87 and up no alcohol content also approved fuels leaded or AVGAS 100LL recommended oil API SJ SAE 10W 50 Shorter maintenance intervals are imposed Should you be forced to used this kind of f...

Page 20: ...ght 119 lbs 54 kg maximum combined cockpit crew weight 519 lbs 236 kg baggage area 85 lbs absolute limit where the load is to be distributed and loading not exceed 8 pounds per square foot Always verify baggage allowance with a Centre of Gravity calculation WARNING Should one of the above listed values be exceeded other MUST be reduced in order to keep MTOM below 1210 lbs 550 kg Pay special attent...

Page 21: ...ts 111 kts 100 kts 92 kts Maneuver limits Sinus 912 LSA is approved under ASTM standard F2564 and is intended for recreational and instructional flight operations In the acquisition of various pilot certificates certain maneuvers are required and these maneuvers are permitted in this airplane Following NON Aerobatic manoeuvres are permitted as defined Power on and off stalls not below 1500 feet 45...

Page 22: ... functional Altimeter functional Compass functional Tachometer RPM EGT indication functional CHT indication functional OIL temp indica tion functional OIL press indication functional 12 V Main battery functional Alternator functional Safety belts 2x Visual fuel indication L R functional Fuel shut off valves L R functional Minimum equipment list NIGHT VFR In addition to the MEL for DAY VFR Artifici...

Page 23: ...e fuel filler on the wing by visual check At the same time verify that the vent tubes remain unobstructed from contamination Other restrictions Due to flight safety reasons it is forbidden to fly in heavy rainfalls fly during thunderstorm activity fly in a blizzard fly according to instrumental flight rules IFR or attempt to fly in zero visibility condi tions IMC fly when outside air temperature O...

Page 24: ... V E E UF CL N O E S P E O D A N G E R E X P L O S I V E EGRESS EAW MTOW CREW WT LUGGAGE WT lbs 1212 lbs min 121 lbs 55 lbs FUEL QTY 30 l 7 9 USgal use automotive fuel This aircraft is equipped with a rocket powered ballistic rescue system EAW MTOW CREW WT LUGGAGE WT kg 550 kg min 55 kg 25 kg FUEL QTY 30 l 7 9 USgal use automotive fuel USgal Liter USgal Liter Sv50 Sv50 1 3 4 5 6 2 30 5 10 15 20 1 ...

Page 25: ...very 3 2 Spin recovery 3 2 Engine failure 3 3 Emergency landing Landing out 3 3 Engine fire 3 3 Smoke in cockpit 3 4 Carburetor icing 3 4 Electricalsystemfailure 3 5 Flutter 3 5 Exceeding VNE 3 5 Ditching 3 5 Icing Pneumatic failure 3 5 3Emergencyprocedures Emergency procedures 3 1 ...

Page 26: ...to a spin and even so only at aft centre of gravity positions However once spinning intentionally or unintentionally react as follows 1 Set throttle to idle lever in full back position 2 Apply full rudder deflection in the direction opposite the spin 3 Lower the nose towards the ground to build speed stick forward 4 As the aircraft stops spinning neutralise rudder deflection 5 Slowly pull up and r...

Page 27: ...o switches both set to ON and both fuel valves OPEN Attempt to restart the engine If unsuccessful begin with the landing out procedure immediately Emergency landing Landing off airport 1 Shut both fuel valves 2 Master switch OFF 3 Approach and land with extreme caution maintaining normal airspeeds 4 After having landed leave the aircraft immediately The landing off airport manoeuvre MUST be prefor...

Page 28: ...mn 3 Land as soon as possible In case you have trouble breathing or the visibility out of the cockpit has degraded severely due to the smoke open the cabin door and leave it hanging freely Flying with the door open do not under any circumstances exceed 60 kts 110 km h Carburetor icing First noticeable signs of carburetor icing are rough engine running and gradual loss of power Carburetor icing may...

Page 29: ...the same emergency procedure as above for the Emergency landing Landing out case In addition make sure to open both doors fully be fore hitting the water disconnect the battery from the circuit pull ring on electrical panel Touch the water with the slowest possible speed possibly from a high flare situation Icing Pneumatic instrument failures Turn back or change altitude to exit icing conditions C...

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Page 31: ...Sinus 912 LSA Glider 550 MTOW www pipistrel eu REV 3 Daily inspection 4 2 Preflight inspection 4 2 Normalproceduresand recommendedspeeds 4 5 4Normalprocedures Normal procedures 4 1 ...

Page 32: ...damage MUST be repaired prior to engine start up Disobeying this instruc tions may result in serious further damage to the plane and crew including injury and loss of life Schematic of preflight inspection 1 Engine engine cover 8 Right wing trailing edge 15 Hor tail surfaces left 2 Gascolator 9 Right air brake 16 Fuselage continued left 3 Spinner Nose wheel 10 Fuselage RH side 17 Fuselage LH side ...

Page 33: ...l damage e g cracks impact spots screws tight Bolts and nuts secured Nose wheel grab aircraft s propeller and push it towards the ground to verify proper nose wheel suspension operation Then lift the nose wheel off the ground and check for nose leg strut free play Bolts fastened Tire no cracks adequate pressure Wheel fairing undamaged firmly attached clean e g no mud or grass on the inside Propell...

Page 34: ...ake sure the vent pipe is completely clean Fuselage antenna rescue parachute cover Self adhesive tape in position no separations Controls cap antenna firmly attached Station 17 optional side access door to the cargo compartment closed and locked Fuselage continued Surface condition pristine no cracks impact spots or bumps no paint separations Horizontal tail surfaces Surface condition pristine no ...

Page 35: ...ute release handle optional safety pin removed Make sure unobstructed access is provided Normal procedures and recommended speeds To enter the cabin first lift the door all the way to the bottom wing surface The silver knob will grab and secure the door in position Sit onto the cabin s edge and support your body by placing hands onto this same cabin edge Drag yourself into the seat lifting first o...

Page 36: ... handle fully backwards and hold it there for some 20 seconds to make mixture richer Engine warm up procedure The engine should be warmed up at 2500 RPM up to the point working temperature is reached Warming up the engine you should 1 Point aircraft s nose into the wind 2 Verify the engine temperature ranges within operational limits CAUTION Avoid engine warm up at idle throttle as this causes the...

Page 37: ... This will provide radiators with airflow to cool down the engine faster Take off and initial climb Before lining up verify the following Parking brake if applicable disengaged full forward Air brakes if applicable retracted and secured Fuel valves fully open Fuel quantity sufficient Safety harnesses fastened Cabin doors closed securely Trim handle in neutral position or slightly forward Flap hand...

Page 38: ...again Keep the aircraft balanced while maintaining desired flight parameters Should you desire to cruise at low speed up to 80 kts 150 km h set flaps to neutral position other wise flaps should be set to negative position flap handle full down Check engine operation and flight parameters regularly Recommended cruise is at 5300 RPM with a fuel burn of 3 3 US gal per hour CAUTION It is not recommend...

Page 39: ...nd component increase the approach speed by 5 kts Roundout and touchdown CAUTION See chapter Performance for landing performance Roundout and touchdown flare occurs at following airspeeds Calm air aircraft at MTOM 40 kts 75 km h IAS Rough air aircraft at MTOM incl strong crosswinds up to 34 km h 18 kts 42 kts 78 km h IAS CAUTION Land the aircraft in such a manner that the two main wheels touch the...

Page 40: ...ely and insert parachute rescue system handle s safety pin if rescue system installed Apply parking brake if fitted Open cabin door unfasten safety har nesses and exit the cockpit watch for the wheel fairings Block the wheels and secure the pitot tube by putting on a protection cover Fit the tubes onto fuel tank vents so that fuel will not spill onto the wing in event of full fuel tanks temperatur...

Page 41: ... www pipistrel eu REV 3 Introduction 5 2 Airspeed indicator calibration 5 2 Take off performance 5 2 Climb performance 5 4 Cruise 5 5 Descent 5 5 Landing performance 5 6 Crosswind takeoffs land ings 5 6 5Performance Performance 5 1 ...

Page 42: ...be same as CAS IAS CAS Stall speeds Stall speeds at MTOM 1210 lbs 550 kg for all models of Sinus 912 LSA are as follows flaps in negative position 5 up 44 kts 81 km h flaps in neutral position 0 neutral 40 kts 74 km h flaps in 1st position 9 down 38 kts 70 km h flaps in 2nd position 19 down 34 kts 64 km h Take off performance All data published in this section was obtained under following conditio...

Page 43: ...es The opposite stands for tailwind on takeoff and landing as tailwind prolongs Takeoff and Landing runway length significantly The data on the next page was obtained through testing and therefore serve as informative values only Headwind shortens takeoff and landing runway length by 25 feet 8 meters with every 3 kts 5 km h of wind increase e g provided there is a 6 kts 10 km h headwind on takeoff...

Page 44: ...15 km h best climb rate at MTOM 1080 fpm 5 4 m s climb rate at 100 kts 185 km h 680 fpm 3 4 m s Effect of altitude The table below provides data about the effect of elevation on climb rate at best climb speed Vy at MTOM Sinus 912 LSA 912 LSA 0 m 0 ft 1080 fpm 5 4 m s 500 m 1600 ft 1000 fpm 5 0 m s 1000 m 3300 ft 940 fpm 4 7 m s 1500 m 5000 ft 900 fpm 4 5 m s Note climb rate is measured at max cont...

Page 45: ...ed wings level flight at speed providing best lift over drag ratio or minimum sink rate Should the engine become inoperative in flight as a result of either intended or unintended actions and it cannot be restarted react as follows establish wings level flight at the speed providing best lift over drag ratio if you desire to glide the greatest distance from a given altitude establish wings level f...

Page 46: ...other 30 feet 10 meters WARNING Runway size must be in excess of 820 x 65 feet with no obstacles in 4 range off runway heading in order ensure safe flying activity Use of shorter airstrips should be considered a major exception and is allowed for experienced pilots at their own risk only Crosswind takeoffs landings Maximum allowed crosswind speed on takeoff and landing with flaps in 2nd position i...

Page 47: ...Sinus 912 LSA Glider 550 MTOW www pipistrel eu REV 3 Weight and balance Introduction 6 2 Weighing procedure 6 2 Equipment list 6 3 Determination of CG 6 3 SampleCGcalculation 6 4 6Weightandbalance 6 1 ...

Page 48: ...eighing procedure Make sure all listed aircraft parts and appliances are installed and in position Remove all other objects e g tools mops tie downs and other things Empty fuel tanks except for the unusable fuel inflate tires to recommended operating pressures Fill up engine oil to the top marking Retract flaps and airbrakes optional leave control surfaces centred Level the aircraft inside a close...

Page 49: ... total weight and lever arm of CG values must be entered and position of CG re determined Furthermore the moment must be recalculated This is rather unchallenging to do First multiply the new part s weight by it s lever arm measured from the reference point wing s leading edge Then sum up all momentums and divide the sum by the new total weight WARNING Aircraft s safe center of gravity position ra...

Page 50: ... g in millimeters mm from the datum wing s leading edge at wing root For Tail wheel edition of Sinus use the following formula where G2tail is the scale reading at the tail wheel Gtotal is the sum of G1 and G2tail G1 G2tail a k a aircraft empty weight a is the distance from main wheel axis to wing s leading edge b is the distance between main and tail wheel axis For Nose wheel edition of Sinus use...

Page 51: ...ge You can recalcu late the formulas using the weights and c g of your empty aircraft and the planned amount of bag gage for your flight CAUTION The baggage weight limitations in this manual represent fool proof limits for safe operation even without special c g calculation However the actual baggage weight limitation is different of each individual aircraft and can be determined using the above f...

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Page 53: ...ent panel 7 4 Undercarriage 7 6 Seats and safety harnesses 7 6 Pitot static system 7 6 Air brakes 7 6 Power plant 7 7 Fuel system 7 8 Electrical system 7 9 Enginecoolingsystem 7 13 Enginelubricationsystem 7 14 Wheel brake system 7 14 7DescriptionofAircraft Systems 7 1 Description of Aircraft Systems ...

Page 54: ...are located inside the wings Fuel selector is in the form of two separate valves located on the left and right upper wall of the cabin The gascolator is located beneath the lower engine cover Refuelling can be done by pouring fuel through the fuel tank openings on top of the wings or by using an electrical fuel pump All glass surfaces are made of 2 mm anti UV GE tinted Lexan which was specially de...

Page 55: ...et metal materials Fe0147 in Al 3571 rods materials Fe 1221 Fe 4732 Č4130 Al 6082 CR41 in Al 6362 cable AISI 316 bolts and nuts 8 8 steel All composite parts are made of glass carbon and kevlar fiber manufactured by Interglas GmbH All parts have been tested at safety factor of a minimum 1 875 All composite parts are made in moulds therefore no shape or structural differences can occur All parts an...

Page 56: ...control levers throttle lever chock lever flap lever trim lever airbrakes lever if applicable fuel valves door handles battery disconnection lever ring and emergency parachute release handle Instrument panel Small instrument panel left with Brauniger as the middle screen Large instrument panel with two screen setup Dynon D100 and EMS 120 Both are for illustration purpose only Description of Aircra...

Page 57: ...glass cockpit instrument via a cable and a NMEA protocol For additional information consult indi vidual operators manuals for the instruments installed Notes on Brauniger Alpha MFD multifunction instrument The new version of Brauniger Alpha MFD multifunction instrument V315 also features an acoustic vario meter and an acoustic VNE alarm Certain Brauniger Alpha MFD installations require the multifu...

Page 58: ... safety harnesses Seats have no stiff internal structure and can therefore be folded easily for luggage access The seat has one position whereas the pedals are adjustable Custom made seats are available for ordering All Sinus 912 LSA ship with H type safety harness attached to the fuselage at three mounting points Pitot Static tubes The pitot tube is attached to the bottom side of the right hand w...

Page 59: ... oilcooled own radiator and pump lubrication centrally oiled own oil pump and radiator reduction gearbox integrated reduction ratio 1 2 27 el generator output power 250 W at 5500 RPM starter electric engine power 80 HP at 5800 RPM battery 12 V 10 Ah All metal cables used are fire resistant kept inside metal self lubricating flexible tubes Schematic of throttle and choke control Throttle Choke Chok...

Page 60: ... start the engine in flight above 50 kts Fuel system description vented wing fuel tanks with refuelling cap on top of the wings fuel selector valves separated one for each fuel tank gascolator filter equipped with drain valve fuel capacity std tanks 7 25 7 25 US gal 30 30 L fuel capacity lng range 13 13 US gal 50 50 L unusable fuel per reservoir 0 75 US gal 3 L fuel filter inside the gascolator Al...

Page 61: ...ening placarded make sure you have closed it before flight The single point fuel valve can either be used for fuelling the aircraft by using a pump and container or for discharging all of the fuel on board before disassembling the aeroplane Electrical system description Dual electronic ignition Standard 12 V circuit charges the battery and provides power to all appliances and instruments master sw...

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Page 63: ...y discon nection lever and the battery disconnection ring The battery disconnection lever which is a red flag type lever is found on the firewall above the main battery on the left hand side of the cockpit This lever has an attached wire which leads to the battery disconnection ring on the instrument panel s switch column To disconnect the battery from the circuit simply pull the battery disconnec...

Page 64: ...es not feature a thermostat valve The system is pressurised with a pressurised valve placed on one of the hoses The overflow tank fluid level must always be inside the designated limits The engine does not feature a cooling fan therefore cooling is entirely dependant on moving air cur rents and airspeed CAUTION You are strongly discouraged from leaving the engine running at idle power when on grou...

Page 65: ...el bar Make sure the oil quantity is sufficient limits at all times CAUTION Oil temperature pressure and quality is strictly defined an must not under any cir cumstances vary from its safe values Schematic of engine lubrication system Wheel brake system Wheel brake system features separate braking action for each of the main landing gear Wheel brakes are drum or disc wire driven old type or hydrau...

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Page 67: ...pipistrel eu REV 3 Special inspections 8 2 Draining refuelling 8 2 Connecting Auxiliary power supplies 8 3 Tie down 8 4 Storage 8 4 Cleaning 8 4 Keeping your aircraft in perfect shape 8 5 8Handlingandservicing Handling and servicing 8 1 ...

Page 68: ...lage To drain the fuel system open the drain valve on the gascolator Drain approximately 1 2 cup of fuel Try to prevent ground pollution by collecting the fuel with a canister To close the valve simply turn it in the opposite direction Do not use force or special tools CAUTION Always drain the fuel system before you have moved the aircraft from a standstill to prevent mixing of the fuel and eventu...

Page 69: ...ly by pressing the starter but ton in the cockpit WARNING The pilot must be in cockpit when starting the engine The person who will disconnect the cables after the engine has started must be aware of the danger of spinning propeller nearby Handling and servicing Battery s Relay s location Battery black Relay top right Top left nipple c positive wire here Exhaust connect negative wire here Should y...

Page 70: ...ion handle safety pin is inserted every time you leave the aircraft Apply the tubes onto fuel tank vents so that fuel will not spill onto the wing in event of full fuel tanks temperature expansion of fuel and or parking on a slope Also disconnect the battery from the circuit to prevent battery self discharge pull battery discon nection ring on the instrument panel s switch column during storage pe...

Page 71: ...el chamois artificial leather skin To save time soak all the leading edges of the airframe fist Make sure to wipe ALL of the aircraft s surface until it is com pletely dry Clean the propeller and the areas with eventual greasy spots separately using a mild car shampoo with a wax CAUTION Do not under any circumstances attempt to use aggressive cleaning solutions as you will severely damage the lacq...

Page 72: ...ine Machine polishing requires more skills and has its own particularities therefore it is recommended to leave it to a professional Cleaning the Lexan transparent surfaces It is most important to use really clean water no cleaning solutions are necessary and a really clean drying towel always use a separate towel ONLY for the glass surfaces Should the glass surfaces be dusty remove the dust first...

Page 73: ...V 3 Parachute rescue system use Handling and servicing 9 1 How fast is too fast 9 4 Myth I can fully deflect the controls below maneuvering speed 9 7 Trainingsupplement 9 8 Conversion tables 9 12 Preflight check up pictures 9 18 9Appendix Appendix 9 1 ...

Page 74: ...andle safety pin should be inserted when the aircraft is parked or hangared to prevent accidental deployment However the instant pilot boards the aircraft safety pin MUST be removed Use of parachute rescue system Typical situations for use of the parachute rescue system are structural failure mid air collision loss of control over aircraft engine failure over hostile terrain pilot incapacitation i...

Page 75: ...e site to assist you After the parachute rescue system has been used or if you suspect any possible damage to the sys tem do not hesitate and immediately contact the manufacturer Handling and servicing Prior to every flight all visible parts of the system must be checked for proper condition Special at tention should be paid to corrosion on the activation handle inside the cockpit Also main fasten...

Page 76: ...w saw saved thanks to the parachute rescue system other suffered inferior damage as only the flaperon control tubes went broken The pilot of the second machine then landed safely using elevator and rudder only Fortunately both pi lots survived the accident without being even slightly injured Thanks to the Brauniger ALPHA MFD s integrated Flight Data Recorder we were able to reconstruct the flights...

Page 77: ...f carbon reinforced plastics with long slick wings are more prone to flutter at high speeds than to structural failure So flutter is the main factor of determining VNE for us and most other carbon reinforced plastic aircraft producers Flutter speed is linked to TAS as it is directly caused by small differences in speed of air circulating the airframe Hence air density is not a factor For all who s...

Page 78: ...26300 ft 250 135 169 91 270 145 185 98 The table below indicates how TAS increases with altitude while keeping IAS constant IAS km h kts TAS km h kts IAS km h kts TAS km h kts 1000 m 3300 ft 250 135 266 144 270 145 289 156 2000 m 6500 ft 250 135 279 151 270 145 303 164 3000 m 10000 ft 250 135 290 157 270 145 316 171 4000 m 13000 ft 250 135 303 164 270 145 329 178 5000 m 16500 ft 250 135 317 171 27...

Page 79: ...itive 3 8 G s it is only certified for a nega tive G load of 1 52 G s In other words you can fail the wing in the negative direction by pushing forward on the stick well below the Va Few pilots know this Also for airliners certification basis require that the rudder can be fully deflected below Maneuvering Speed but only if the plane is not in a sideslip of any kind e g crab method of ap proach Do...

Page 80: ...ended you taxi slow up to 10 km s 5 kts while holding the stick back fully to ease the pressure of the nose wheel During taxiing monitor engine temperatures Due to low airflow around the radiators the CHT and Oil temperature will rise during long taxi periods If you are holding position do not leave throttle at idle It is better you have some 2500 RPM as this will provide some airflow from the pro...

Page 81: ...on to aileron deflections when it comes to making a turn Cruising fast it is extremely important to fly coordinated ball in the middle as this increases efficiency and de creases side pressure onto vertical tail surfaces Also pay attention to turbulence If you hit tur bulence at speeds greater than VRA reduce power immediately and pull the nose up to reduce speed If flying a traffic pattern keep f...

Page 82: ...t you will not bounce on the runway After touchdown operate the rudder pedals if necessary to maintain runway heading and try to have the nose wheel off the ground for as long as possible When the nose wheel is to touch the ground rud der pedals MUST be exactly in the middle not to cause damage to the steering mechanism While braking hold the stick back fully Once you have come to a standstill ret...

Page 83: ...nly so will you be able to notice what nature and its forced to do your air plane When ridge soaring and flying between thermals I would recommend to have flaps in neutral position When thermalling or making eights along the ridge do have flaps in 1st stage Speeds range from 75 km h 40 kts to 100 km h 55 kts To quickly overfly the span between two thermals fly at 130 km h 70 kts with flaps in neut...

Page 84: ...25 94 14 7 55 87 10 47 25 36 148 25 80 43 16 27 79 15 8 09 88 95 48 25 90 150 10 51 43 70 29 65 16 8 63 90 80 49 26 44 151 96 82 44 24 31 50 17 9 17 92 66 50 26 98 153 81 83 44 78 33 35 18 9 71 94 51 51 27 52 155 66 84 45 32 35 21 19 10 25 96 36 52 28 05 157 52 85 45 86 37 06 20 10 79 98 22 53 28 59 159 37 86 46 40 38 91 21 11 33 100 07 54 29 13 161 22 87 46 94 40 77 22 11 81 101 92 55 29 67 163 0...

Page 85: ...ute 100 ft min m sec 100 ft min m sec 100 ft min m sec 100 ft min 0 50 1 1 96 10 66 21 41 33 20 82 41 80 70 1 01 2 3 93 11 17 22 43 30 21 33 42 82 67 1 52 3 5 90 11 68 23 45 27 21 84 43 84 64 2 03 4 7 87 12 19 24 47 24 22 35 44 86 61 2 54 5 9 84 12 75 25 49 21 22 86 45 88 58 3 04 6 11 81 13 20 26 51 18 23 36 46 90 53 3 55 7 13 78 13 71 27 53 15 23 87 47 92 52 4 06 8 15 74 14 22 28 55 11 24 38 48 9...

Page 86: ...9 0 942 1 029 3 000 914 9 056 48 30 0 896 0 915 1 045 4 000 1219 7 075 44 73 0 863 0 888 1 061 5 000 1524 5 094 41 16 0 832 0 861 1 077 6 000 1829 3 113 37 60 0 801 0 835 1 090 1 000 2134 1 132 34 03 0 771 0 810 1 110 8 000 2438 0 850 30 47 0 742 0 785 1 128 9 000 2743 2 831 26 90 0 714 0 761 1 145 10 000 3090 4 812 23 33 0 687 0 738 1 163 11 000 3353 6 793 19 77 0 661 0 715 1 182 12 000 3658 8 77...

Page 87: ...9 259 18 4 267 14 45 93 14 32 47 154 1 24 38 80 262 46 4 572 15 49 21 14 63 48 157 4 24 68 81 265 74 4 876 16 52 49 14 93 49 160 7 24 99 82 269 02 5 181 17 55 77 15 24 50 164 1 25 29 83 272 31 5 48 18 59 05 15 54 51 167 3 25 60 84 275 59 5 791 19 62 33 15 84 52 170 6 25 90 85 278 87 6 096 20 65 61 16 15 53 173 8 26 21 86 282 15 6 400 21 68 89 16 45 54 177 1 26 51 87 285 43 6 705 22 72 17 16 76 55 ...

Page 88: ... 9 23 5 250 1043 7 30 8 2050 790 0 23 3 200 1037 5 30 6 2100 785 1 23 2 150 1031 4 30 5 2150 780 2 23 0 100 1025 3 30 3 2200 775 3 22 9 50 1019 3 30 1 2250 770 5 22 8 0 1013 3 29 9 2300 165 7 22 6 50 1007 3 29 7 2350 760 9 22 5 100 1001 3 29 6 2400 756 2 22 3 150 995 4 29 4 2450 751 4 22 2 200 989 4 29 2 2500 746 7 22 1 250 983 6 29 0 2550 742 1 21 9 300 977 7 28 9 2600 737 4 21 8 350 971 9 28 7 2...

Page 89: ... 337 8 15 3 800 2625 9 8 282 8 0 981 690 6 9389 0 908 0 115 1 134 0 925 1 039 337 4 15 4 900 2953 9 1 282 1 0 979 682 3 9276 0 897 0 114 1 123 0 916 1 044 337 15 5 1000 3281 8 5 281 5 0 977 674 1 9165 0 887 0 113 1 112 0 907 1 049 336 6 15 7 1100 3609 7 8 280 8 0 975 665 9 9053 0 876 0 112 1 101 0 898 1 055 336 2 15 8 1200 3937 7 2 280 2 0 972 657 9 8944 0 865 0 111 1 090 0 889 1 060 335 8 15 9 13...

Page 90: ...MTOW www pipistrel eu REV 3 Preflight check up pictures 9 18 Engine cover 1 2 Gascolator Right wingtip lights 7 8 Right wing trailing edge Undercarriage RH wheel 5 6 Right wing leading edge Propeller Spinner 3 5 Undercarriage 4 ...

Page 91: ...www pipistrel eu REV 3 Right spoiler 9 10 Fuselage RH side Incorrect door not secured X OK Correct door secured Horizontal tail surfaces 12 13 Vertical tail surfaces Fuselage 10 11 Fuselage continued Preflight check up pictures 9 19 ...

Page 92: ...Sinus 912 LSA Glider 550 MTOW www pipistrel eu REV 3 This page is intentionally left blank 9 20 ...

Page 93: ... is handed over to the new owner This is the original document issued by Pipistrel LSA s r l Should third party translations to other languages contain any inconsistencies Pipistrel LSA denies all responsibility This supplemental sheet provides changes and additions to Sinus 912 LSA GLIDER version of Flight manual and Maintenance manual This supplemental sheet contains four 4 valid pages 10 1 ...

Page 94: ...A Notes and remarks Safety definitions used in the manual WARNING Disregarding the following instructions leads to severe deterioration of flight safety and hazardous situations including such resulting in injury and loss of life CAUTION Disregarding the following instructions leads to serious deterioration of flight safety Markings All changes to the manual are marked in red all additions in blue...

Page 95: ...UTION Land the aircraft in such a manner that all three wheels touch the ground at exactly the same time When touching down rudder MUST NOT be deflected in any direction rudder pedals centred When on ground start braking action holding the control stick in full back position Steer the aircraft using brakes and rudder only Provided the runway length is sufficient come to a complete standstill witho...

Page 96: ...rake fluid DOT 3 or DOT 4 main wheel axis to tail wheel distance 4 25 m Handling and servicing Page 84 Undercarriage Adjustment of tail wheel steering clutch stiffness To adjust the stiffness of tail wheel steering clutch you need two allen keys a k a hex wrench inbus key On top of the wheel fork you will notice a ring with two tubes welded to each side with hex bolts inside First disconnect the s...

Page 97: ...Supplemental Sheet for Sinus 912 LSA Glider 550 MTOW tail wheel edition www pipistrel si REV 3 3 view drawing 10 5 ...

Page 98: ...Supplemental Sheet for Sinus 912 LSA Glider 550 MTOW tail wheel edition www pipistrel si REV 3 This page is intentionally left blank 10 6 ...

Page 99: ...aster switch ON Magnetos ON AC lights ON After start up Warm up at 2500 3500 RPM Magneto RPM drop VERIFIED MAX 300 RPM Engine Propeller check RPM within limits Before takeoff Fuel valves BOTH OPEN Spoilers if applicable RETRACTED Doors CLOSED Flight controls CHECKED Flaps 2 nd POSITION Elevator trim SET After takeoff Elevator trim SET Flaps UP Descent Approach Throttle IDLE Flaps NEUTRAL Instrumen...

Page 100: ...Sinus 912 LSA Glider 550 MTOW www pipistrel eu REV 3 This page is intentionally left blank ...

Page 101: ...inal parts in case additional equipment is built in without Pipistrel d o o s prior knowledge in case the purchased goods were changed or modified in any way in case when the defect is caused by user s deficient maintenance inappropriate care and or cleaning user s negligent handling user s inexperience due to use of product and or its individual parts or components in inadequate conditions due to...

Page 102: ...Pipistrel LSA s r l Via Aquileia 75 34170 Gorizia Italy EU info pipistrel usa com www pipistrel usa com www pipistrel eu ...

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Pipistrel Sinus 912 LSA LSA-GLIDER, Pilot Operating Handbook

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