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FK-Lightplanes FK 9 ELA Manual

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Airplane Manual
Certified as Ultralight according
BFU 95 / LTF-UL 2003
Advanced Italien regulation type
This manual must be carried in the
aircraft at all times.
This is the Pilot's operating manual and
approved flight manual.
Manufacturer: FK-Lightplanes Krosno – Poland
Design Organisation and Holder on Product Rights:
B&F Technik Vertiebs GmbH Speyer - Germany
FK 9 ELA
Kennblatt Nr. 61102.2
DPR 133/Annex V°
Serial Nr.: ____
Manual Nr.:
9-____-1ELA E

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Summary of Contents for FK-Lightplanes FK 9 ELA

  • Page 1 Serial Nr.: ____ aircraft at all times. Manual Nr.: This is the Pilot’s operating manual and approved flight manual. 9-____-1ELA E Manufacturer: FK-Lightplanes Krosno – Poland Design Organisation and Holder on Product Rights: B&F Technik Vertiebs GmbH Speyer - Germany...
  • Page 2 Airplane Manual FK 9 ELA FK Lightplanes Revision 8 Section 0 page 0-1 No part of this manual may be reproduced or changed in any manner without written agreement of the aircraft manual department. Design Organisation, Holder on Product Rights and customer support: B&F Technik Vertiebs GmbH Speyer –...
  • Page 3 Airplane Manual FK 9 ELA FK Lightplanes Revision 10 Section 0 page 0-2 List of effective Pages Date 1. of Mai 2013 Page Revision Date Page Revision Date 1.09.12 1.05.13 1.12.12 1.12.12 1.12.12 1.12.12 1.12.12 1.04.11 1.04.11 1.04.11 1.12.11 1.02.10 1.12.11...

  • Page 4: Table Of Contents

    Airplane Manual FK 9 ELA FK Lightplanes Revision 9 Section 0 page 0-3 TABLE OF CONTENTS 1. GENERAL ................. 1-1 1.1. Airplane Three Side View ........... 1-2 1.2. Technical Data ............1-3 1.3. Abbreviations and Terminology........ 1-3 2. LIMITATIONS ................2-1 2.1.
  • Page 5 Airplane Manual FK 9 ELA FK Lightplanes Revision 9 Section 0 page 0-4 2.15. Placards ............... 2-6 3. EMERGENCY PROCEDURES ..........3-1 3.1. General ................ 3-1 3.2. Engine Failure ............. 3-1 3.3. Fuel Pressure Low ............3-1 3.4. Generator Fault / Overvoltage ........3-1 3.5.
  • Page 6 Airplane Manual FK 9 ELA FK Lightplanes Revision 9 Section 0 page 0-5 4.7. Takeoff ................. 4-5 4.8. Climb ................4-6 4.9. Cruise ................4-6 4.10. Descent ................ 4-6 4.11. Landing ................ 4-7 4.12. Touch and Go.............. 4-8 4.13. After Landing / Parking ..........4-8 5.
  • Page 7 Airplane Manual FK 9 ELA FK Lightplanes Revision 9 Section 0 page 0-6 7.4. Rescue system ............7-4 7.5. Flaps ................7-6 7.6. Tyres ................7-6 7.7. Baggage ............... 7-6 7.8. Seats and seatbelts ............ 7-6 7.9. Doors ................7-7 7.10.
  • Page 8 Airplane Manual FK 9 ELA FK Lightplanes Revision 9 Section 0 page 0-7 8.9. Jacking / Towing / Storage ........8-4 8.10. Main / Subsidiary Structure ........8-6 8.11. Materials for minor repairs ........8-6 8.12. Special Repair and Check Procedures ..... 8-6 8.13.

  • Page 9: General

    Airplane Manual FK 9 ELA FK Lightplanes Revision 4 General page 1-1 General This manual must be read carefully by the owner and operator in order to become familiar with the operation of the FK 9. The manual presents suggestions and recommendations to help obtain safe and maximum performance without sacrificing economy.

  • Page 10: Airplane Three Side View

    Airplane Manual FK 9 ELA FK Lightplanes Revision 4 General page 1-2 1.1. Airplane Three Side View...

  • Page 11: Technical Data

    Airplane Manual FK 9 ELA FK Lightplanes Revision 4 General page 1-3 1.2. Technical Data Wing span: 9,25 m Length: 5,94 m Wing area: 10,73 qm Height: 2,41 m 1.3. Abbreviations and Terminology a) Speeds Indicated airspeed = speed as shown on the airspeed indicator Calibrated Airspeed is the indicated airspeed, corrected for position and instrument error.
  • Page 12 Airplane Manual FK 9 ELA FK Lightplanes Revision 6 General page 1-4 b) Meteorological International Standard Atmosphere: OAT in MSL 15°C; pressure in MSL 1013,2hPa; air a perfect dry gas; temperature gradient of 0,65°C per 100m Mean sea level Outside air temperature...

  • Page 13: Limitations

    Airplane Manual FK 9 ELA FK Lightplanes Revision 2 Limitations page 2-1 Limitations 2.1. General This chapter contains limitations, instrument markings and placards required for the safe operation of the aircraft. Limitations valid for additional equipment can be found in chapter 9 (supplements).

  • Page 14: Airspeed Indicator Markings

    Airplane Manual FK 9 ELA FK Lightplanes Revision 6 Limitations page 2-2 2.3. Airspeed Indicator Markings Every aircraft must be equipped with an airspeed indicator type “Winter FK 9 Mk3/Mk4”, which is calibrated to the aircraft. This is the master airspeed indicator, even with an EFIS installed.

  • Page 15: Propeller

    Airplane Manual FK 9 ELA FK Lightplanes Revision 6 Limitations page 2-3 ROTAX 912 UL ROTAX 912 ULS automobile - oil (API SF or SG) Oil level 2,6 Ltr (min) to 3,05 Ltr (max) Oil temperature min 50°C, max. 140°C min 50°C, max.

  • Page 16: Weights

    Airplane Manual FK 9 ELA FK Lightplanes Revision 7 Limitations page 2-4 2.6. Weights Maximum weight per seat: 100 kg Baggage aft max: with wingtanks 35 kg with fuselage tanks 20 kg Empty weight: acc. actual weighing Maximum Takeoff Weight: 472,5 kg if certified acc.

  • Page 17: Flight Load Factors

    Airplane Manual FK 9 ELA FK Lightplanes Revision 4 Limitations page 2-5 Spinning any aircraft which is not certified for this maneuver is extremely dangerous! The onset of a stall is indicated to the pilot by many factors like IAS, stick pressure, horizon level. Stalls can also be result from abrupt...

  • Page 18: Colour

    Airplane Manual FK 9 ELA FK Lightplanes Revision 8 Limitations page 2-6 2.13. Colour The surface of the structure (composite structure) must be white or yellow. Local coloured decoration is possible. Complete painting in different colours only with agreement of the manufacturer.
  • Page 19 Airplane Manual FK 9 ELA FK Lightplanes Revision 9 Limitations page 2-7 Additional Placards Italy only: vicinity of door handles: Emergency cockpit: No Smoking switch tanks at least every 60 Minutes max. 15 Ltr difference between tanks Don’t open both in Flight...

  • Page 20: Emergency Procedures

    Airplane Manual FK 9 ELA FK Lightplanes Revision 9 Emergency Procedures page 3-1 Emergency Procedures 3.1. General The following information is presented to enable the pilot to form, in advance, a definite plan of action for coping with the most probable emergency situations which could occur in the operation of the airplane.

  • Page 21: Emergency Landing

    Airplane Manual FK 9 ELA FK Lightplanes Revision 8 Emergency Procedures page 3-2 3.6. Emergency Landing Glide speed 100 km/h flaps pos. 1 Emergency field select Emergency call (121,5 MHz) perform Throttle close Electrical fuel pump OFF (ROTAX only) Fuel selector(s)

  • Page 22: Engine / Carburetor Fire

    Airplane Manual FK 9 ELA FK Lightplanes Revision 8 Emergency Procedures page 3-3 3.10. Engine / Carburetor Fire Fuel selector(s) OFF (ROTAX / wingtanks only) Throttle full open if required: Starter engage 3.11. Fire and Smoke (Electric) All electrical systems Landing as soon as possible;...

  • Page 23: Normal Procedures

    Airplane Manual FK 9 ELA FK Lightplanes Revision 10 Normal Procedures page 4-1 Normal Procedures 4.1. General This chapter deals with the normal procedures recommended for the safe operation of the FK 9. 4.2. Regular Inspection As Ultralight aircraft are designed to be lighter than normal aircraft but must withstand similiar loads, the structure and the engine must be inspected regularly.
  • Page 24 Airplane Manual FK 9 ELA FK Lightplanes Revision 10 Normal Procedures page 4-2 Engine check (also perform the checks required as mentioned in the engine manual) * Cowling remove * Exhaust check for cracks + check springs * Carburetor, accessories...
  • Page 25 Airplane Manual FK 9 ELA FK Lightplanes Revision 10 Normal Procedures page 4-3 14. Antenna, cargo door tight, check closed 14 a. static port (incl. drain) clear 15. Wing bolts * secured 16. Aileron hinge * secured 17. Balance weight tight, no play 18.

  • Page 26: Engine Start

    Airplane Manual FK 9 ELA FK Lightplanes Revision 4 Normal Procedures page 4-4 4.4. Engine Start Seat belts fastened Doors closed and locked Fuel selector(s) OPEN, wintank: fullest tank OPEN All electrical equipment Circuit breaker check Instruments check & set...

  • Page 27: Before Take-Off

    Airplane Manual FK 9 ELA FK Lightplanes Revision 1 Normal Procedures page 4-5 4.6. Before Take-off Brakes set; brakes must hold at least 3200 RPM Instruments check Choke (ROTAX only) check OFF Magnetos (ROTAX only) check at min. 2800 RPM; variance between mags.

  • Page 28: Climb

    Airplane Manual FK 9 ELA FK Lightplanes Revision 1 Normal Procedures page 4-6 4.8. Climb ROTAX SMART Oil temperature max. 130°C max. 140°C max. 120°C max. 105°C Speed 120 km/h with flaps up Hint: At CHT >115°C (ROTAX only) local condensation in the cooling system will cause continuous loss of cooling fluid.

  • Page 29: Landing

    Airplane Manual FK 9 ELA FK Lightplanes Revision 4 Normal Procedures page 4-7 4.11. Landing Normal Landing Speed reduce to 110 km/h Flaps set Pos. 1 Speed 100 to 110 km/h (rain + 5 km/h) Electrical fuel pump ON (ROTAX only)

  • Page 30: Touch And Go

    Airplane Manual FK 9 ELA FK Lightplanes Revision 4 Normal Procedures page 4-8 4.12. Touch and Go Flaps retract to Pos. 1 Carburetor heat OFF (if installed) Trim set takeoff position Throttle advance slowly to full power at 90 to 100 km/h...

  • Page 31: Performance

    Airplane Manual FK 9 ELA FK Lightplanes Revision 3 Performance page 5-1 Performance 5.1. General The graphs and tables in this section present performance information corrected for the conditions of ICAO Standard Atmosphere. These data do not contain any safety margin and are based on a clean and well serviced aircraft as well as the application of the mentioned procedures.

  • Page 32: Cruise Performance

    Airplane Manual FK 9 ELA FK Lightplanes Revision 6 Performance page 5-2 5.3. Cruise Performance The following table (valid for ROTAX 912 UL; M160 (smart) is little better, ROTAX 912 ULS little worse) presents data for fuel consumption and range.

  • Page 33: Weight And Balance

    Airplane Manual FK 9 ELA FK Lightplanes Revision 7 Weight & Balance page 6-1 Weight and Balance 6.1. General To achieve the mentioned performance data and flying abilities, the aircraft must be operated within certified weight and balance limits. Although the aircraft has a wide range for weight and balance, it is not possible to fly with full baggage load, full fuel and 2 heavy pilots at the same time.
  • Page 34 Airplane Manual FK 9 ELA FK Lightplanes Revision 7 Weight & Balance page 6-2 Formula to compute the center of gravity (X): TW = total weight Center of Gravity in [m / inch] WF = weight front WR = weight right...

  • Page 35: Determination Of C.g. For The Flight

    Airplane Manual FK 9 ELA FK Lightplanes Revision 7 Weight & Balance page 6-3 6.3. Determination of C.G. for the Flight The Pilot is responsible for proper loading of the aircraft. The C.G. can be determined by computation. The C.G. must always be...

  • Page 36: Systems Description

    Airplane Manual FK 9 ELA FK Lightplanes Revision 6 System Description page 7-1 Systems Description 7.1. General The FK 9 is a two-seat high wing ultralight aircraft with aerodynamic steering. It is available in tricycle or tailwheel configuration. The wing has flaps which can be set to three positions.
  • Page 37 Airplane Manual FK 9 ELA FK Lightplanes Revision FE System Description page 7-2 7.3. MID (Multi Information Panel) The MID provides: Checklists Door status Fuel consumption + status Flap status Maintenance Intervals System Warnings Time Voltage Handling MID increase value / up...
  • Page 38 Airplane Manual FK 9 ELA FK Lightplanes Revision FE System Description page 7-3 normal screen (engine running): fuel flap position speed limit current flaps voltage outside air temperature fuel flow (if installed) time checklist screen: using the “+” or “–“ buttons the cursor can be set to the desired checklist;...

  • Page 39: Rescue System

    Airplane Manual FK 9 ELA FK Lightplanes Revision 6 System Description page 7-4 use “+” and “-“ to highlight the desired menu, SETUP MENU press “Set”; use “+” and “-“ to change the item, acknowledge by “Set”; repeat as required FUEL CONTENT xxxl actual fuel on bord must be entered;...
  • Page 40 Airplane Manual FK 9 ELA FK Lightplanes Revision 3 System Description page 7-5 Softpack installation: The system is activated by pulling the red handle at the center console (as an option, the handle is installed behind the pilot’s heads) The safety pin must be removed before flight.

  • Page 41: Flaps

    Airplane Manual FK 9 ELA FK Lightplanes Revision 7 System Description page 7-6 7.5. Flaps The flaps are operated electrically by a lever at the center console. The respective flap position is indicated either by the MID or by other electronic display systems.

  • Page 42: Doors

    7.11. Fuel System The FK 9 ELA is equipped either with fuselage (Option 1) or with wing tanks (Option 2). There is one engine mounted mechanical fuel pump normally providing fuel to the ROTAX engine. Additionally there is an AUX electrical fuel pump which should be ON during takeoff and landing.
  • Page 43 Airplane Manual FK 9 ELA FK Lightplanes Revision 5 System Description page 7-8 Option 1 Fuselage Tanks:...
  • Page 44 Airplane Manual FK 9 ELA FK Lightplanes Revision 6 System Description page 7-9 The two fuel tanks are mounted behind the pilots seats. The fuel valve (ROTAX only) is located at the center console with positions ON and OFF. The version with SMART...
  • Page 45 Airplane Manual FK 9 ELA FK Lightplanes Revision 5 System Description page 7-10...
  • Page 46 Airplane Manual FK 9 ELA FK Lightplanes Revision 9 Systems Description page 7-11 Option 2 Wing Tanks: Fuel quantity indication (5) Fuel valve (7) There are two wingtanks installed. Each tank has a fuel valve and a fuel quantity indication. Fuel caps and vents are on top of the wings. Fuel feeding to the engine is similar to option 1.
  • Page 47 Airplane Manual FK 9 ELA FK Lightplanes Revision 8 Systems Description page 7-12...
  • Page 48 Airplane Manual FK 9 ELA FK Lightplanes Revision 9 Systems Description page 7-13 Fuel System Version Wing Tanks (Italy only):...

  • Page 49: Brakes

    Airplane Manual FK 9 ELA FK Lightplanes Revision 9 Systems Description page 7-14 7.12. Brakes Brakes are controlled by a handle at the center console. Brakes are applied to both main wheels at the same time. By closing a valve at the center console when pressure has been applied, the hydraulic brake can be function as a park brake.
  • Page 50 Airplane Manual FK 9 ELA FK Lightplanes Revision 9 Systems Description page 7-15 Fuses: Only fuses “with time lag“ should be installed Main Panel Ext. Power Pump Eng.Instr. Generator Navigation Radio 500mA 500mA Additional Panel Wingtank Panel...

  • Page 51: Pitot / Static System

    Airplane Manual FK 9 ELA FK Lightplanes Revision 9 Systems Description page 7-16 7.15. Pitot / Static System Static: There is one static port on the left hand side of the fuselage. During preflight check it must be assured that it is clear.

  • Page 52: Handling, Servicing And Maintenance

    Airplane Manual FK 9 ELA FK Lightplanes Revision 6 Handling, Serv.& Maint. page 8-1 Handling, Servicing and Maintenance 8.1. General Every owner of an FK 9 should keep close contact to the manufacturer for best support. 8.2. Ground Handling Aircraft should be parked with the nose facing into the wind and secured by putting chocks in front of the wheels.

  • Page 53: Regular Maintenance / Lubrication Schedule

    Airplane Manual FK 9 ELA FK Lightplanes Revision 4 Handling, Serv.& Maint. page 8-2 8.5. Regular Maintenance / Lubrication Schedule Maintenance action is due after certain flight hours or time intervals as applicable. There are some actions which must be done for the first time after the very first 2 / 10 / 25 flight hours.
  • Page 54 Airplane Manual FK 9 ELA FK Lightplanes Revision FE Handling, Serv.& Maint. page 8-3 insert maintenance schedule FK 9 Airframe (DIN A4) here.

  • Page 55: Fuel System Check / Cleaning

    Airplane Manual FK 9 ELA FK Lightplanes Revision 7 Handling, Serv.& Maint. page 8-4 8.7. Fuel System Check / Cleaning If the fuel tanks are contaminated with dirt (check the inside by using a torch), they must be dismantled (fuselage tanks only) and cleaned. For this, drain the complete system (by using the electrical fuel pump) and dismantle all connections.
  • Page 56 Airplane Manual FK 9 ELA FK Lightplanes Revision 7 Handling, Serv.& Maint. page 8-5 Storage: To stow the dismantled wings, use storage tools with a minimum contact area of 150 mm. The leading edge should have no contact to the storage tool in the first 20 mm.

  • Page 57: Main / Subsidiary Structure

    Airplane Manual FK 9 ELA FK Lightplanes Revision 7 Handling, Serv.& Maint. page 8-6 8.10. Main / Subsidiary Structure The main structure contains of: fuselage structure (metal), tail unit structure, engine mount landing gear (metal/carbon fibre composite) control surfaces (metal)

  • Page 58: Mounting / Maintenance Of The Rescue System

    Airplane Manual FK 9 ELA FK Lightplanes Revision 7 Handling, Serv.& Maint. page 8-7 8.15. Mounting / Maintenance of the Rescue System According to the respective manual. 8.16. Assembly of the Aircraft Assemble the aircraft as follows: Check all parts for damage...
  • Page 59 Airplane Manual FK 9 ELA FK Lightplanes Revision 7 Handling, Serv.& Maint. page 8-8 Cover the gap between wing and fuselage with tape for better aerodynamics Secure all bolts Install the other wing in the same manner The storing device at the aft fuselage can be removed now...

  • Page 60: Supplements

    Airplane Manual FK 9 ELA FK Lightplanes Revision 8 Supplements page 9-1 Supplements 9.1. General This chapter contains information concerning additional or differing equipment of the aircraft. Additional manuals and other useful information are indicated. 9.2. Engine Manual A separate manual for the engine is supplied with every aircraft.

  • Page 61: Towing General

    Airplane Manual FK 9 ELA FK Lightplanes Revision 8 Supplements page 9-2 9.6.2. Towing General Towing is performed without a passenger and with a maximum of 50 ltr of fuel. A mirror has to be installed. 9.6.3. Towing Takeoff Electrical fuelpump ON. Normally perform takeoff with flaps position 1. On paved rwys with fast sailplanes flaps up is also possible.

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