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ENSTROM 480B OPERATOR'S MANUAL

FAA Approved: May 21/19

Rev. 24

Report No. 28-AC-023

May 2/19

LIST OF TABLES

TABLE NO.

DESCRIPTION

PAGE

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Kinds of Operation Equipment List .........1-4

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Summary of Contents for 480B

Page 1: ...ting the pages listed below Remove pages Insert pages i through iv i through iv vii through xiv vii through xiv INTRO 3 through INTRO 6 INTRO 3 through INTRO 6 1 1 through 1 4 1 1 through 1 4 1 16 1 through 1 16 2 1 16 1 through 1 16 2 2 1 through 2 2 2 1 through 2 2 2 15 through 2 18 2 15 through 2 18 5 9 1 through 5 9 4 5 9 1 through 5 9 4 5 9 11 through 5 9 14 5 9 11 through 5 9 14 7 3 through ...

Page 2: ...INTENTIONALLY LEFT BLANK ...

Page 3: ...s 9 Mar 6 07 Joseph C Miess 10 Apr 11 07 Joseph C Miess 11 Dec 5 07 Joseph C Miess 12 Feb 14 08 Joseph C Miess 13 Apr 23 08 Joseph C Miess 14 Apr 16 10 Joseph C Miess 15 Jul 16 10 Joseph C Miess 16 Sep 20 10 Joseph C Miess 17 Jan 25 11 Joseph C Miess 18 Jul 15 11 M W Anderson 19 Jan 18 12 Joseph C Miess 20 Jul 3 12 Joseph C Miess 21 Jan 14 13 Joseph C Miess 22 Aug 17 15 Ronald D McElroy 23 May 19 ...

Page 4: ...10 Jan 18 08 EASA IM R C 01426 N A 11 Apr 17 08 EASA IM R C 01442 N A 12 NOT EASA APPROVED SUPP 10 EFIS 13 NOT EASA APPROVED SUPP 10 EFIS 14 Apr 4 13 EASA 10044309 N A 15 Mar 7 13 EASA 10043956 N A 16 Jan 27 14 EASA 10045751 N A 17 Aug 28 13 FAA EASA T I P G J Michalik 18 May 8 14 EASA 10044744 N A 19 Aug 28 13 FAA EASA T I P G J Michalik 20 Oct 10 13 FAA EASA T I P G J Michalik 21 Jan 27 14 EASA ...

Page 5: ... 9 01 Joseph C Miess 4 Baggage Box Extension Feb 9 01 Joseph C Miess 5 Camera Door Feb 9 01 Joseph C Miess 6 Emergency Floats Sep 5 03 Joseph C Miess 7 Air Conditioning Sep 9 04 Joseph C Miess 8 Nose Positioned Camera Mount Jun 6 06 Joseph C Miess 9 Searchlight Jun 6 06 Joseph C Miess 10 EFIS Feb 14 08 Joseph C Miess APPROVED FOR THE MANAGER CHICAGO AIRCRAFT CERTIFICATION OFFICE CENTRAL REGION FED...

Page 6: ...p 28 03 N A 2 Snow Shoes Sep 28 03 N A 3 External Fuel Filter Sep 28 03 N A 4 Baggage Box Extension Sep 28 03 N A 5 Camera Door Sep 28 03 N A 6 Emergency Floats May 29 05 2005 4677 N A 7 Air Conditioning May 30 05 2005 4682 N A 8 Nose Positioned Camera Mount Jun 6 06 Decision 2004 04 CF N A 9 Searchlight Jun 6 06 Decision 2004 04 CF N A 10 EFIS NOT APPROVED Article 3 Commission Regulation EU 748 2...

Page 7: ...19 1 2 May 2 19 1 3 May 2 19 1 4 May 2 19 1 5 Feb 9 01 1 6 Apr 16 10 1 7 Apr 16 10 1 8 Jul 16 15 1 9 Jul 3 12 1 10 Apr 16 10 1 11 Apr 28 16 1 12 Apr 16 10 1 13 Apr 28 16 1 14 Apr 10 02 1 15 Apr 10 02 1 16 Apr 10 02 1 16 1 Jul 12 10 1 16 2 May 2 19 1 17 Jun 30 04 1 18 Jun 30 04 1 19 Jun 30 04 1 20 Jun 30 04 1 21 Jun 30 04 1 22 Jun 30 04 1 23 Jul 3 12 1 24 Jul 3 12 1 25 Jul 3 12 1 26 Jul 16 15 1 27 ...

Page 8: ...1 Apr 16 10 2 42 Apr 16 10 2 43 Apr 16 10 2 44 Apr 16 10 3 1 Feb 9 01 3 2 Jul 12 10 3 3 Nov 21 12 3 4 Feb 9 01 3 5 Feb 9 01 3 6 Feb 9 01 3 7 Feb 9 01 3 8 Feb 9 01 PAGE DATE 3 9 Feb 9 01 3 10 Feb 9 01 3 11 Feb 9 01 3 12 Feb 9 01 3 13 Feb 2 04 3 14 Feb 2 04 3 15 Feb 9 01 3 16 Feb 9 01 3 17 Feb 9 01 3 18 Feb 9 01 3 19 Feb 2 04 3 20 Feb 2 04 3 21 Apr 10 02 3 22 Apr 10 02 3 23 Apr 16 10 3 24 Sep 5 03 3...

Page 9: ...1 4 30 Feb 9 01 4 31 Feb 9 01 4 32 Feb 9 01 4 33 Feb 9 01 4 34 Feb 9 01 4 35 Feb 9 01 4 36 Feb 9 01 4 37 Feb 9 01 4 38 Feb 9 01 4 39 Feb 2 04 PAGE DATE 4 40 Feb 2 04 4 41 Feb 9 01 4 42 Feb 9 01 4 43 Feb 9 01 4 44 Feb 9 01 4 45 Feb 9 01 4 46 Feb 9 01 5 0 1 Feb 1 08 5 0 2 Feb 1 08 5 1 1 Feb 9 01 5 1 2 Feb 9 01 5 1 3 Apr 16 10 5 1 4 Feb 2 04 5 1 5 Feb 9 01 5 1 6 Feb 9 01 5 1 7 Jul 16 15 5 1 8 Jul 16 ...

Page 10: ... 6 4 May 22 06 5 6 5 May 22 06 5 6 6 May 22 06 5 6 7 May 22 06 5 6 8 May 22 06 5 6 9 May 22 06 5 6 10 Jul 16 15 5 7 1 Apr 16 10 5 7 2 Jun 30 04 PAGE DATE 5 7 3 Apr 16 10 5 7 4 Apr 16 10 5 7 5 Apr 16 10 5 7 6 Apr 16 10 5 7 7 Apr 16 10 5 7 8 Apr 16 10 5 7 9 Jun 30 04 5 7 10 Jun 30 04 5 7 11 Apr 16 10 5 7 12 Apr 16 10 5 7 13 Apr 16 10 5 7 14 Apr 16 10 5 7 15 Apr 16 10 5 7 16 Apr 16 10 5 7 17 Apr 16 1...

Page 11: ...10 24 Feb 1 08 5 10 25 Feb 1 08 5 10 26 Jan 25 11 5 10 27 Jan 25 11 5 10 28 Jan 25 11 6 1 Jul 3 12 6 2 Feb 9 01 6 3 Feb 9 01 6 4 Feb 9 01 6 5 Apr 10 02 6 6 Jul 3 12 6 7 Jul 3 12 6 8 Jul 3 12 PAGE DATE 6 9 Nov 21 12 6 10 Feb 9 01 6 11 Feb 9 01 6 12 Feb 9 01 6 13 Nov 21 12 6 14 Apr 28 16 6 15 Nov 21 12 6 16 Feb 9 01 6 17 Feb 9 01 6 18 Aug 29 11 6 19 Feb 9 01 6 20 Jun 14 11 6 21 Feb 9 01 6 22 Feb 9 0...

Page 12: ...01 7 37 Jul 3 12 7 38 Jul 3 12 7 39 Feb 9 01 7 40 Feb 9 01 7 41 Feb 9 01 7 42 Feb 9 01 7 43 Apr 10 02 7 44 Apr 10 02 7 45 Feb 9 01 7 46 Feb 9 01 7 47 Feb 9 01 PAGE DATE 7 48 Jun 14 11 7 49 Jun 14 11 7 50 Jun 14 11 7 51 Apr 16 10 7 52 Apr 16 10 7 53 Apr 16 10 7 54 Feb 9 01 7 55 Apr 10 02 7 56 Nov 21 12 7 57 Jul 3 12 7 58 Jul 12 10 7 59 Jul 12 10 7 60 May 2 19 7 61 May 2 19 7 62 Apr 10 02 7 62 1 Jan...

Page 13: ...28 Feb 9 01 9 1 Apr 16 10 9 2 Sep 8 04 9 3 Feb 9 01 9 4 Feb 9 01 9 5 Feb 9 01 9 6 Apr 16 10 9 7 Apr 16 10 9 8 Sep 8 04 10 1 Apr 16 10 10 2 Apr 16 10 10 3 Apr 16 10 PAGE DATE 10 4 Apr 16 10 10 5 Apr 16 10 10 6 Apr 16 10 10 7 Apr 28 16 10 8 Apr 16 10 10 9 Apr 16 10 10 10 Apr 16 10 10 11 Apr 16 10 10 12 Apr 16 10 10 13 Apr 28 16 10 14 Apr 28 16 10 15 Apr 16 10 10 16 Apr 16 10 10 17 Apr 28 16 10 18 Ap...

Page 14: ...xiv ENSTROM 480B OPERATOR S MANUAL Rev 20 Report No 28 AC 023 Jul 3 12 INTENTIONALLY LEFT BLANK ...

Page 15: ...ional equipment supplements incorporated into this basic RFM Refer to the Enstrom Helicopter Corporation web site and the Technical Support page for a listing of other approved Enstrom 480B Optional Equipment Supplements not contained in this basic RFM The pilot is responsible for determining if other additional optional equipment supplements are to be carried in the helicopter INTRO 2 Warnings Ca...

Page 16: ...NUAL SHALL BE CARRIED IN THE HELICOPTER AT ALL TIMES INTRO 4 Table of Contents The table of contents lists every titled paragraph figure and table contained in this manual INTRO 5 Reporting of Errors Every effort is made to keep this publication current and error free However we cannot correct an error unless we know of its existence You are encouraged to report errors omissions and recommendation...

Page 17: ...Correction of minor errors such as spelling punctuation relocation of material etc unless such correction changes the meaning of the material INTRO 7 Use of Words Shall Should and May Within this technical manual the word shall is used to indicate a mandatory requirement The word should is used to indicate a nonmandatory but preferred method of accomplishment The word may is used to indicate an ac...

Page 18: ...lar or plural applications TABLE INTRO 1 LIST OF ABBREVIATIONS ABBREVIATION DEFINITION ABS Absolute AGL Above Ground Level AH Amp Hour ALT Altitude B L Butt Line C Celsius CAS Calibrated Airspeed CG Center of Gravity C L Center Line CONF Configuration CONT Continuous END Endurance F Fahrenheit FAA Federal Aviation Administration FLT Flight FPM Feet per Minute F S Fuselage Station FT Foot FT MIN Fe...

Page 19: ... Helicopter System Limits 1 5 Paragraph 1 6 Instrument Markings 1 5 1 7 Rotor Limitations 1 5 1 8 Transmission Limits 1 5 1 9 Engine Limits 1 6 1 10 Starter Limits 1 9 Section IV Operation Limits 1 17 Paragraph 1 11 Airspeed Limits 1 17 1 12 Altitude Limits 1 18 1 13 Load Limits 1 23 1 14 Maneuvers 1 23 1 15 Environmental 1 24 1 16 Restrictions in Use of Anti torque Pedals 1 25 1 17 Placards 1 25 ...

Page 20: ...1 2 ENSTROM 480B OPERATOR S MANUAL FAA Approved May 21 19 Rev 24 Report No 28 AC 023 May 2 19 LIST OF TABLES TABLE NO DESCRIPTION PAGE 1 1 Kinds of Operation Equipment List 1 4 ...

Page 21: ... made in the aircraft log book The entry shall state what limit or limits were exceeded and the range and time beyond the limits including any additional data that would aid maintenance personnel in the proper disposition of the entry and inspection of the aircraft SECTION II GENERAL 1 4 Kinds of Operation 1 This aircraft is certified in normal category for day and night VFR operation in non icing...

Page 22: ...Volt 1 1 Clock 0 0 Compass 1 1 Dual Tachometer 1 1 Engine Oil Temperature Pressure 1 1 Fuel Quantity Indicator 1 1 N1 Indicator 1 1 OAT 1 1 Torque Indicator 1 1 TOT Indicator 1 1 Transmission Oil Temperature 1 1 Anticollision Lights 0 0 Instrument Lights 0 1 Landing Light 0 1 Position Lights 0 1 Switch and Circuit Breaker Panel Lighting 0 1 1 5 Minimum Crew Requirements 1 The minimum crew is one p...

Page 23: ...ystem Indicator 110 Amp System Indicator DUAL VOLT AMMETER VOLT 32 Vdc Red Radial Maximum Voltage S N 5134 and sub AMMETER 150 Amps 110 Amps Red Radial Maximum Current S N 5134 and sub Maximum Current Prior to S N 5134 Sheet 7 of 7 Figure 1 1 Instrument Markings DC 20 l5 l0 5 0 AMP X l0 VOLTS 20 l5 25 30 35 ...

Page 24: ...1 16 2 ENSTROM 480B OPERATOR S MANUAL FAA Approved May 21 19 Rev 24 Report No 28 AC 023 May 2 19 Figure 1 2 Maximum Allowable Torque and N2 ...

Page 25: ...4 2 8 Before Preflight Check 2 4 2 8 1 Preflight Check Fuel Management 2 5 2 9 Preflight Check Exterior Check 2 6 2 10 Cabin Left Side 2 6 2 11 Aft Fuselage Left Side 2 7 2 12 Tailcone Left Side 2 9 2 13 Tailcone Right Side 2 9 2 14 Aft Fuselage Right Side 2 10 2 15 Fuselage Top Area 2 12 2 16 Cabin Right Side 2 12 2 17 Cabin Left Side 2 13 2 18 Before Starting Engine 2 13 2 19 Starting Engine 2 1...

Page 26: ...ng 2 28 2 38 Engine Shutdown 2 29 2 39 Before Leaving The Helicopter 2 30 2 40 Night Flight 2 30 Section III Passenger Briefing 2 31 Paragraph 2 41 Passenger Briefing 2 31 Section IV Adverse Environmental Conditions 2 32 Paragraph 2 42 Cold Weather Operation 2 32 2 43 Cold Weather Inspection 2 32 2 44 Cold Weather Checks 2 34 2 45 Snow 2 36 2 46 Desert and Hot Weather Operations 2 39 2 47 Icing Co...

Page 27: ... and check that all lights go out except the ENGINE OUT and ROTOR RPM warning lights and DC GEN and ENG OIL PRESS caution lights 24 Check the temperature and select correct VNE C G placard NOTE VNE is based on a combination of pressure altitude and temperature at flight conditions and take off gross weight and takeoff c g Proper determination of take off gross weight and c g is required to determi...

Page 28: ...s when the digital display reads the correct amount Then press ENTER 27 Engine out low rotor audio Test by releasing the collective friction raising the collective until both audio alarms are heard then lowering the collective to full down and resetting the collective friction 28 Throttle Check closed 29 Cyclic trim Check by displacing the cyclic trim switch coolie hat each direction forward aft l...

Page 29: ...Starter switch Press and hold Simultaneously start the clock stop watch function to time the start to 58 N1 b TOT Below 150 C Motor engine as necessary to lower TOT below 150 C c Throttle Open quickly to the idle stop after the N1 RPM passes through 12 15 Observe recommended minimum N1 speeds as noted below NOTE If there is a delay of more than 3 seconds between opening the throttle and light off ...

Page 30: ...heck g Gas producer Check 59 65 N1 h N2 Check stabilized CAUTION If the main rotor is not moving when 30 N1 is reached abort the start and make an entry in the aircraft log book 5 Ground power unit Disconnect if used CAUTION Check that the ground power unit is disconnected prior to turning the Generator switch ON 6 MAIN GEN switch ON check DC GEN caution light out and Volt Ammeter indicates a load...

Page 31: ...ion III Normal Procedures 5 9 5 Paragraph 5 9 5 Preflight Check 5 9 5 5 9 6 Searchlight Operation 5 9 6 5 9 7 Searchlight Gimbal Assembly Removal 5 9 7 5 9 8 Searchlight Gimbal Assembly Installation 5 9 8 5 9 9 Control Box Removal 5 9 8 5 9 10 Control Box Installation 5 9 8 Section IV Emergency Procedures 5 9 9 Paragraph 5 9 11 Electrical System Failure 5 9 9 5 9 12 Emergency Pop Out Float Deploym...

Page 32: ... May 2 19 LIST OF TABLES TABLE NO DESCRIPTION PAGE 5 9 1 Weight and Balance Information Standard Kit 5 9 12 5 9 2 Weight and Balance Information Pop Out Floats 5 9 12 5 9 3 Lateral Offset Moment Information Standard Kit 5 9 13 5 9 4 Lateral Offset Moment Information Pop Out Floats 5 9 13 ...

Page 33: ...r either a standard mount or an elevated mount The elevated mount must be used if the aircraft is equipped with the Emergency Floats Kit P N 4220091 2 The Searchlight Kit consists of a tubular mount that attaches to the right side of the landing gear assembly aft crosstube and the associated airframe wiring installation The SX 5 Starburst system consists of the searchlight and gimbal assembly junc...

Page 34: ...DMETER WITH SEARCHLIGHT ON REDUCE ELECTRICAL LOAD AS NEEDED TO REMAIN WITHIN CONTINUOUS OPERATING LIMITS MAGNETIC COMPASS UNRELIABLE WHEN SEARCHLIGHT IS OPERATING TURN OFF SEARCHLIGHT WHEN ENTERING CLOUDS OR FOG DO NOT OPERATE SEARCHLIGHT BELOW 50 FEET RETURN SEARCHLIGHT TO HORIZONTAL BEFORE LANDING 2 The following placard must be installed in view of the aircraft crew if the aircraft is equipped ...

Page 35: ...ENSTROM 480B OPERATOR S MANUAL 5 9 11 FAA Approved Jun 6 06 Rev 7 Report No 28 AC 023 May 22 06 SECTION V PERFORMANCE 5 9 13 General 1 Same as Basic Flight Manual ...

Page 36: ...ight Mount with Electrical Harness 5 4 170 1 918 5 Junction Box 6 3 222 0 1398 6 Searchlight Gimbal Assembly 21 5 171 3 3683 0 Total 33 2 180 7 6000 1 Table 5 9 2 Weight and Balance Information Elevated Kit Equipment Weight lbs Arm in Moment in lbs Searchlight Mount with Electrical Harness 7 8 168 8 1316 6 Junction Box 6 3 222 0 1398 6 Searchlight Gimbal Assembly 21 5 171 3 3683 0 Total 35 6 179 7...

Page 37: ... Offset Moment in lbs Searchlight Mount with Electrical Harness 187 9 Junction Box 55 4 Searchlight Gimbal Assembly 1057 8 Total 1301 1 Table 5 9 4 Lateral Offset Moment Information Elevated Kit Equipment Lateral Offset Moment in lbs Searchlight Mount with Electrical Harness 262 9 Junction Box 55 4 Searchlight Gimbal Assembly 1057 8 Total 1376 1 Total does not include control box and cable 1 5 lbs...

Page 38: ...5 9 14 ENSTROM 480B OPERATOR S MANUAL FAA Approved Jun 6 06 Rev 7 Report No 28 AC 023 May 22 06 INTENTIONALLY LEFT BLANK ...

Page 39: ...ceptacle 7 57 7 59 Generator 7 58 7 60 Generator Caution Light 7 59 7 61 Controls and Indicators 7 59 Section X Lighting 7 63 Paragraph 7 62 Position Lights 7 63 7 63 Anticollision Lights 7 63 7 64 Landing Light 7 63 7 65 Instrument Lights 7 64 7 66 Cabin Dome Light 7 64 7 67 Map Utility Light 7 65 Section XI Flight Instruments 7 66 Paragraph 7 68 Airspeed Indicator 7 66 7 69 Optional Pitot Heater...

Page 40: ... 75 7 80 Power Sockets 7 76 7 81 Headset Jacks 7 76 LIST OF FIGURES FIGURE NO DESCRIPTION PAGE 7 1 General Arrangement Diagram 7 9 7 2 Principle Dimensions Diagram 7 11 7 3 Instrument Panel 7 12 7 4 Pedestal Panel 7 14 7 5 Slider Control Panel 7 20 7 6 Fuel System Diagram 7 30 7 7 Collective Control Box 7 34 7 8 Collective Friction System 7 36 7 9 Cyclic Grip Switches 7 39 7 10 Power Train 7 47 7 ...

Page 41: ...eeded Refer to para 7 76 2 c The indicator is powered by the aircraft 28 volt electrical system through the VOLT AMP circuit breaker 2 Battery Switch The BATT switch is located at the top of the center pedestal panel Battery electrical power is supplied to the helicopter s electrical system when the switch is in the ON position When the switch is in the ON position it closes the circuit to the bat...

Page 42: ...upplied to the indicators by moving the switch from the BUS position to the BATT position The emergency electrical power circuits are protected by the N1 N2 NR and TOT circuit breakers located on the right side of the back wall in the engine compartment Figure 7 11 A yellow LED located next to the switch illuminates when the switch is in the BATT position NOTE Early 480B s are equipped with a gas ...

Page 43: ...cycling the circuit breaker switch thereby resetting the circuit breaker Circuits for devices using direct power feed from the battery are protected by circuit breakers located directly beneath the external power receptacle on the right side of the backwall in the engine area 7 Fuses Nonessential equipment electrical circuits not protected by circuit breakers are fuse protected The fuses are locat...

Page 44: ...7 62 ENSTROM 480B OPERATOR S MANUAL Rev 1 Report No 28 AC 023 Apr 10 02 Figure 7 10 1 N1 N2 NR TOT Switch ...

Page 45: ...h the HR METER circuit breaker and is controlled by an oil pressure switch mounted in parallel with the engine oil pressure transducer On aircraft prior to S N 5134 the hour meter circuit is protected by the HR METER fuse Starting with aircraft S N 5048 a collective microswitch is incorporated into the hour meter system The hour meter in aircraft S N 5048 and subsequent records flight time 7 79 St...

Page 46: ...r each seat position Insert the headset plug into the jack that corresponds with the seat in the aircraft NOTE The headset jack locations described below are typical for a 4 or 5 place configuration a The pilot and passenger 4 headset jacks HDST PLT and HDST PASS are located on the upper left side of the cabin backwall The co pilot headset jack HDST CO PLT is located on the right side of the cabin...

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