iKarus C42 Series Pilot Operating Handbook
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iKarus C42 Series Pilot Operating Handbook

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PILOT'S OPERATING HANDBOOK
for all aircraft of the IKARUS C42 SERIES
Model:
LTZ-Nr. :
Type :
Airplane Identification:
Serial Number:
Reference: POH C42 SERIES ISSUE1 (B) REV7
This handbook is to be kept in the aircraft at all times.
The described options of the C42 Series use are certified for Germany
and have been tested in Germany.
Please note that for using the C42 Series as a tow plane for towing
gliders, towing aerial signs or decanting sky divers, different regulations
may apply in different countries. Please contact your local authorities for
further
clarification.
This manual is a translation from the original in German, in case of doubts
the original version is decisive.
23/08/2019)
POH C42 SERIES ISSUE1 (B) REV7
C42 / C42B / C42C / C42CS
61141 / 61141.1 / 61141.5 / 61141.7
IKARUS C 42 Series
Ref int : PRO_200412_C2_DL_CI_POH-B-Issue1_v7
Date: 25 April 2020
(PFBH C42 Serie Ausgabe-4 rev6
__________________________
__________________________
25/04/2020
Page 1 of 73

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Summary of Contents for iKarus C42 Series

  • Page 1 The described options of the C42 Series use are certified for Germany and have been tested in Germany. Please note that for using the C42 Series as a tow plane for towing gliders, towing aerial signs or decanting sky divers, different regulations may apply in different countries.

  • Page 2: Table Of Revisions

    Change of contact details 23/02/2019 L.Chan Change of contact details 30/06/2019 L.Chan Update of certain points, indicated by a ligne on the 12/04/2020 L.Chan left side Change of contact details 25/04/2020 L.Chan POH C42 SERIES ISSUE1 (B) REV7 25/04/2020 Page 2 of 73...

  • Page 3: Manufacturer And Distributor Contact Details

    Pilot Operating Handbook for the C42 Series Manufacturer and Distributor Contact Details Manufacturer and Distributor Contact COMCO IKARUS GmbH DKL Light Sport Aircraft Sarl Am Flugplatz 11 6 rue Gaessel D-88367 Hohentengen L-4735 Pétange Allemagne Luxembourg Tel: +49 (0)7572 600 80...

  • Page 4: Introduction

    Pilot Operating Handbook for the C42 Series Introduction C42 series aircraft are built in compliance with the airworthiness requirements of various countries and are certified as Microlight, Ultralight, Advanced Ultralight and Light Sport Aircraft. To operate the aircraft the pilot must hold a license or certificate appropriate to this category of aircraft.
  • Page 5 Pilot Operating Handbook for the C42 Series These changes would invalidate any certificate of airworthiness or permit to fly and as such would result in an insurance becoming null and void. All operating difficulties and equipment failures should be reported to your dealer or the manufacturer.

  • Page 6: Three Side Views

    Pilot Operating Handbook for the C42 Series Three Side Views IKARUS C42 (C42A) POH C42 SERIES ISSUE1 (B) REV7 25/04/2020 Page 6 of 73...
  • Page 7 Pilot Operating Handbook for the C42 Series IKARUS C42B POH C42 SERIES ISSUE1 (B) REV7 25/04/2020 Page 7 of 73...
  • Page 8 Pilot Operating Handbook for the C42 Series IKARUS C42C POH C42 SERIES ISSUE1 (B) REV7 25/04/2020 Page 8 of 73...
  • Page 9 Pilot Operating Handbook for the C42 Series IKARUS C42CS POH C42 SERIES ISSUE1 (B) REV7 25/04/2020 Page 9 of 73...

  • Page 10: Table Of Contents

    Pilot Operating Handbook for the C42 Series Table of Contents Table of Revisions ....................2 Manufacturer and Distributor Contact Details ........... 3 Introduction ......................4 Three Side Views ....................6 Table of Contents ....................10 Operating Limits ..................13 Air Speeds ................... 13 Weights ....................
  • Page 11 Pilot Operating Handbook for the C42 Series Equipped with Optional Cowl Flap ........... 29 4.10 Emergency Procedures ..............30 4.10.1 Stalling due to Low Speed ............30 4.10.2 Sideslip ..................30 4.10.3 Spin ....................30 4.10.4 Spiral Dive ................... 30 4.10.5...
  • Page 12 Equipment ..................58 17.2 Assembling and Disassembling ........... 58 17.3 Operation ..................59 Flying the C42 Series without Doors ............ 60 Instructions for using of LiFe Battery ..........60 COMCO IKARUS Manufacturer Warranty ..........62 20.1 Warranty Information ..............62 20.2...

  • Page 13: Operating Limits

    Pilot Operating Handbook for the C42 Series 1. Operating Limits 1.1 Air Speeds Speed to never-exceed: C42 (C42A) 180 km/h (97 kts) C42B & C42C 216 km/h (116 kts) C42CS 225 km/h (121 kts) Speed in turbulent air: C42 (C42A), C42B & C42C...

  • Page 14: Structural Limitations

    Pilot Operating Handbook for the C42 Series 1.3 Structural Limitations Maximal admissible positive load factor: + 4 g Maximal admissible negative load factor: - 2 g 1.4 Center of Gravity Limits Reference datum (PB) : Wing leading edge at a rib...

  • Page 15: Engine Rpm Limitations

    Pilot Operating Handbook for the C42 Series 1.6 Engine RPM Limitations Maximum engine RPM: n = 5800 trs/min, for 5 min. max Maximum continuous RPM: n = 5500 trs/min 1.7 RPM Gauge Markings Yellow arc: n = 5500 - 5800 rpm...

  • Page 16: Propellers For Brp Rotax 912 Ul

    Pilot Operating Handbook for the C42 Series 1.10 Propellers for BRP ROTAX 912 UL With propeller WARP DRIVE 2-blade 68” (1.72 m Ø) constant speed, Pitch 23.5° à 400 mm from hub, Full throttle RPM on ground max. 5200 1/min Propeller RPM approx.

  • Page 17: Hélices Pour Brp Rotax 912 Uls

    Pilot Operating Handbook for the C42 Series 1.11 Hélices pour BRP ROTAX 912 ULS With propeller WARP DRIVE 3-blade 68” (1,72 m Ø) Pitch 25.0° à 400 mm from hub, Full throttle RPM on ground max. 5200 1/min Propeller RPM approx.

  • Page 18: Noise Table For Brp Rotax 912 Ul And 912 Uls

    Pilot Operating Handbook for the C42 Series 1.12 Noise Table for BRP ROTAX 912 UL and 912 ULS The C42 Series is in accordance with the regulations in force and does not exceed the noise limit of 65dB (A) 1.12.1 ROTAX 912 UL dB (A)

  • Page 19: Engine Limitations

    Pilot Operating Handbook for the C42 Series 1.13 Engine Limitations According to the operating manual ROTAX engines: ROTAX 912 UL ROTAX 912 ULS Take-off (5 min) 81 hp / 5800 rpm 100 hp / 5800 rpm Continuous 79 hp / 5500 rpm...

  • Page 20: Restrictions

    Pilot Operating Handbook for the C42 Series 2. Restrictions • Aerobatics and maneuvers with more than 60° bank are prohibited • Daylight, VFR conditions only. • No flight in icing conditions • Do not attempt flight in turbulent conditions or in winds exceeding 40 km/h (22 kts), and less when it is gusty.
  • Page 21 Pilot Operating Handbook for the C42 Series If the engine has been flooded, close main fuel valve, open the throttle to a half and start the engine. When the engine starts, quickly reduce the throttle to idle. A four-stroke engine requires a long warm up period. Run the engine at 2000 rpm for at least 2 minutes then increase to 2500 rpm –...

  • Page 22: Flight Operations

    Pilot Operating Handbook for the C42 Series 4. Flight Operations 4.1 Taxiing The nose wheel steering is conventional and is directly connected to the rudder pedals. Push the right pedal to turn right. Push the left pedal to turn left.
  • Page 23 Pilot Operating Handbook for the C42 Series Aircraft with the Rotax 912 ULS (100 hp) have a greater engine torque which must be countered by a slight right rudder input. The aircraft will take-off at 70 km/h (38 kts). Push the stick slightly forward and increase airspeed to 110 km/h (59 kts) in shallow climb.

  • Page 24: Cruise

    Pilot Operating Handbook for the C42 Series 4.3 Cruise In cruising flight the most economical cruise speeds are between 140 and 170 km/h (75 – 91 kts) for the models C42 (C42A), C42B and C42C, or between 160 km/h and 190 km/h (86 kts et 102kts) for the C42CS. The required engine performance depends upon aircraft load at the maximal continuous engine speed is 5500 rpm.

  • Page 25: Turn In Flight

    Pilot Operating Handbook for the C42 Series 4.4 Turn in Flight Turns are coordinated using the aileron and rudders. With the increase of airspeed, significantly less amount of rudder deflection is needed. Banks of 45° degrees or more are not recommended, a banking angle of more than 60 degrees is prohibited.

  • Page 26: Approach And Landing

    Pilot Operating Handbook for the C42 Series 4.6 Approach and Landing Begin with your approach early enough in order to set the correct landing configuration without hurrying. • Activate carburettor heat. • The electrical fuel pump must be switched on.

  • Page 27: Sudden Loss Of Engine Power

    Pilot Operating Handbook for the C42 Series 4.8 Sudden Loss of Engine Power 4.8.1 Loss of Engine Power During Take-off Depending on the speed and altitude, lower nose and trim to gliding speed at 100 km/h (54 kts), with flaps at position II. Do not attempt to return to airfield if altitude is below 1000 ft after gliding speed has been reached.

  • Page 28: Start The Engine In Flight

    Pilot Operating Handbook for the C42 Series With sufficient altitude, you may attempt to restart the engine, check: • Fuel valve OPEN • Magneto switches • Fuel SUFFICIENT • Fuel pump 4.8.3 Start the Engine in Flight • both magneto switches •...

  • Page 29: Equipped With Optional Cowl Flap

    Pilot Operating Handbook for the C42 Series 4.9 Equipped with Optional Cowl Flap If your aircraft is equipped with the cowl flap, you have a possibility to control the temperatures of your engine via manual adjustment of the cooling air.

  • Page 30: Emergency Procedures

    Pilot Operating Handbook for the C42 Series 4.10 Emergency Procedures 4.10.1 Stalling due to Low Speed • Reduce back pressure on the stick and lower the nose. • Recover 4.10.2 Sideslip • Set rudder in the opposite direction to a sideslip •...

  • Page 31: Loss Of Aileron Control

    Pilot Operating Handbook for the C42 Series 4.10.6 Loss of Aileron Control Use the rudder to control the aircraft via skidding rolling moments. If in doubt, deploy parachute rescue system 4.10.7 Loss of Rudder Control Controlling flat curves is possible with the ailerons only.

  • Page 32: Parachute Deployment

    Attenttion: Follow the instructions in the BRS or JUNKERS PROFLY– parachute operator’s manual provided with your aircraft. (COMCO IKARUS cannot be held responsible for any malfunctions of the parachute unless it is proven that the malfunction is caused by a faulty installation.)

  • Page 33: Handling On Ground

    Pilot Operating Handbook for the C42 Series 5. Handling on Ground 5.1 Maneuver Manual moving of the aircraft is accomplished by using the tail struts upper connections as push points. Since there is no tow bar applicable at the nose gear, you must press down the tail to raise the nose wheel off the ground.

  • Page 34: Parking

    Pilot Operating Handbook for the C42 Series 5.3 Parking When parking please consider following factors: • as a general precaution, set parking brake • block the wheels with wheel blocks or brake blocks • flap to zero = position 0 In severe weather and strong wind conditions, tie down the aircraft as outlined in paragraph 5.4 if a hangar is not available.
  • Page 35 Pilot Operating Handbook for the C42 Series Tie down point at the upper front strut area. Tie down point between the engine cowling and propeller spinner. POH C42 SERIES ISSUE1 (B) REV7 25/04/2020 Page 35 of 73...

  • Page 36: Minimum Equipment List

    Pilot Operating Handbook for the C42 Series 6. Minimum Equipment List • Four-point harness for each seat • Airspeed indicator true Colour Coding • Altimeter with Kolsmann window • Compass • Tachometer • Cooling liquid temperature gauge • Oil temperature gauge •...

  • Page 37: Weight And Balance

    Pilot Operating Handbook for the C42 Series 8. Weight and Balance Place the aircraft in a level position on three scales with the stabilizer and elevator leveled. The center of gravity is measured in mm behind the reference datum and then calculated as a percentage of the wing chord.

  • Page 38: Empty Weight And Center Of Gravity

    Pilot Operating Handbook for the C42 Series 8.1 Empty Weight and Center of Gravity Serial Number: ________________ Type : __________ Identification Code: _____________________ Weightinh: Reference weight: ___________ kg Empty weight: ___________ kg X1 = X2 = kg + G2 =__________ kg...
  • Page 39 Pilot Operating Handbook for the C42 Series Loading plan weight x lever arm = torque Empty weight kg mm 1. Passenger 2. Fuel 3. Lugage max 10kg) total weight: total torque: !"!#$ !"&'() [ +, -- ] lever arm = /0/12 34567/ [ 86 ] Maximum lever arm authorized: at max weight: 300 –...

  • Page 40: Data Placard And Check-List

    Pilot Operating Handbook for the C42 Series 9. Data Placard and Check-List Air Speed Speed to never-exceed: C42 (C42A) 180 km/h (97 kts) C42B & C42C 216 km/h (116 kts) C42CS 225 km/h (121 kts) Stall speed 65 km/h (35 kts)

  • Page 41: Before Take-Off Checklist

    Pilot Operating Handbook for the C42 Series Before Take-off Checklist 1. The seat belts are fastened? 2. Control system free and correct? 3. Parachute system unlocked? 4. Check fuel level 5. Engine fuel shut off valve OPEN 6. Electric fuel pump 7.

  • Page 42: Approved Equipement

    Pilot Operating Handbook for the C42 Series Approved Equipement Engine: BRP ROTAX 912 UL Gearbox C, 2.27 :1 Approved propellers: • WARP DRIVE 2-blade, 68” diamètre • WARP DRIVE 2-blade, 68” diamètre • Sport-Prop 170R 3-blade • GSC 3-blade, 68” diamètre •...
  • Page 43 Pilot Operating Handbook for the C42 Series Approved parachute rescue systems: • BRS 5-UL4 • BRS-6-1050-SP-DAeC • Magnum High Speed Soft pack • Magnum Light Speed Soft pack Be certain to follow the instructions of manufacturer for installation, required maintenance and particularly the avoidance of moisture in the parachute pack.

  • Page 44: Flight Performance

    Pilot Operating Handbook for the C42 Series Flight Performance 12.1 Take-off Distance Rotax 912 UL Rotax 912 ULS Sea level, +15°C, no wind Take-off distance: 105 m 95 m (double seated, MTOW 472.5 kg) Take-off distance over 15 m (50 ft) obstacle...

  • Page 45: Cruise Speed (Single Seated)

    Pilot Operating Handbook for the C42 Series 12.3 Cruise Speed (Single Seated) Rotax 912 UL Rotax 912 UL S C42 à 4700 trs/min (65%) 155 km/h (84 kts) 165 km/h (89 kts) C42B à 4700 trs/min (65%) 160 km/h (86 kts) 170 km/h (92 kts) C42C à...

  • Page 46: Attaching Wings

    Pilot Operating Handbook for the C42 Series Attaching Wings 13.1 Attaching Wings to the Fuselage The wings are attached to the fuselage as follows : Step 1 Bring the wing main strut into a correct position to the wing by means of attaching the auxiliary struts in the receptacles on the front and rear wing spar.
  • Page 47 Pilot Operating Handbook for the C42 Series Step 6 Attention and now immediately Insert mounting bolts into the front wing spar bracket Insert mounting bolts into the rear wing spar bracket Insert toggle bolt into the square cross-frame spar to secure the wing support.

  • Page 48: Folding Wings For Hangaring

    Pilot Operating Handbook for the C42 Series 13.2 Folding Wings for Hangaring Optional for model C42 (C42A) and C42B Remove wing center section fairing. Unlock aileron push rods from see-saw cross connection. Unlock left and right flaps connection Disconnect the pitot tube of his connector and if installed, disconnect the beacons.

  • Page 49: Pre-Flight Inspection

    Pilot Operating Handbook for the C42 Series Pre-Flight Inspection Before each flight, the pilot must carry out a visual inspection of the aircraft. 14.1 Engine • Check propeller and spinner for damage and security • Check cowling near the propeller for abrasion (sign of defective engine suspension or improper cowling attachment) •...

  • Page 50: Left Wing

    Pilot Operating Handbook for the C42 Series 14.3 Left Wing • Wing spar connections secured? • Wing struts properly attached and secured? • Auxiliary struts secured with quick-release fasteners? • Pitot tube secured and free from dirt and water? •...

  • Page 51: Right Side Of The Fuselage

    Pilot Operating Handbook for the C42 Series 14.6 Right Side of the Fuselage • Check condition of glass-fiber fairing (cracks, holes, etc.) • Check secure attachment of glass-fiber fairing (check for missing screws at the upper/lower connection) • Check elevator shift lever through the baggage hatch in the fuselage wall •...

  • Page 52: Care And Maintenance

    Pilot Operating Handbook for the C42 Series Care and Maintenance Care and Cleaning: All metal parts are corrosion-resistant and require no special care. Dirt on the aircraft and the fabric can be removed by using clear water. Repair of the wing fabric: repair even the smallest rips for your personal safety.
  • Page 53 The periodical inspections should be conducted in one of our IFC (Ikarus Flight Center), ITB (Ikarus Technical Base), ISC (Ikarus Service Center). If periodical inspections should be conducted by the owner himself, these technical documents (Maintenance Manual) have to be ordered at IFC/ITB/ISC or directly at COMCO IKARUS GmbH.

  • Page 54: Parameter

    Pilot Operating Handbook for the C42 Series Parameter Wingspan C42 (A) & C42B : 9450mm (31,0 ft) Wing area: 12.5m (134,5 ft Wingspan C42 C & C42CS : 8710mm (28,6 ft) Wing area: 11.9m (128,1 ft Wing chord at root: 1435mm (4,7 ft) Wing dihedral (type-V) 1°...
  • Page 55 Pilot Operating Handbook for the C42 Series c.) Control Surface Deflections Note: The angle of the aileron bottom relative to the wing chord is -5° (tangent front to rear spar). It is defined by the length of the aileron push rods.
  • Page 56 Pilot Operating Handbook for the C42 Series Rudder Left 32° ± 2° 210 mm ± 15 mm Right 32° ± 2° 210 mm ± 15 mm Measuring point distance from the steering axis: 410 mm Elevator Upwards 28° ± 2°...
  • Page 57 Hydraulic Oil HVP 10 (hydraulique) e.) Brakes In the Ikarus C42 series different brake systems are used. e.g.-Sachs, Magura, Tost and Beringer brakes. For service information, please see our maintenance manual or ask one of our IFC, ISC, Importer or the manufacturer.

  • Page 58: Particularity With The Option Handicapped Equipment

    Pilot Operating Handbook for the C42 Series Particularity with the Option Handicapped Equipment 17.1 Equipment If the following additional equipment is installed in the aircraft, it can be operated without using the feet to control the nose wheel and the rudder: a.) modified throttle shaft including throttle lever extension...

  • Page 59: Operation

    Pilot Operating Handbook for the C42 Series 17.3 Operation The nose wheel and the rudder are controlled with the left hand on the rudder control lever. By pulling out the rudder control lever, the aircraft turns to the left, by pushing it in, the aircraft turns to the right.

  • Page 60: Flying The C42 Series Without Doors

    III. Instructions for using of LiFe Battery The usage of LiFe-Batteries on the C42 Series is related to the battery modulation technology which allows for an effective reduction of the empty weight for more than 3,5 kg due to its high-energy density. Only available as an option.
  • Page 61 Pilot Operating Handbook for the C42 Series Therefore, we recommend before the very starting procedure to preheat the battery by spinning of the starter (2-3 times for 2-3 sec.) without switched on magnetos. Once the engine is rotating with a sufficient rpm, the starting procedure can be accomplished as usually.

  • Page 62: Comco Ikarus Manufacturer Warranty

    This is the complete and exclusive warranty for the aircraft with original accessories of the COMCO IKARUS GmbH. In no event, shall COMCO IKARUS be liable for damages or losses in excess of the purchase price nor for any incidental special or...

  • Page 63: Claim

    Pilot Operating Handbook for the C42 Series COMCO IKARUS shall not be bound by product related statements not directly made by COMCO IKARUS nor any warranty obligations applicable to the seller. In most cases the authorized Ikarus Flight Center which sold and/or...

  • Page 64: Requirements For A Warranty

    In some cases, you may be requested to provide additional information concerning the maintenance of the aircraft by the authorized Ikarus Flight Centers or Ikarus Service Centers only, therefore it is important to keep a record of any previous repairs, and make them available if questions arise concerning maintenance.

  • Page 65: Warranty Exclusion

    • The aircrafts which are disassembled or repaired other than by Comco Ikarus or the IFC / ISC in such a manner as to adversely affect performance or prevent adequate inspection and testing to verify any warranty claim. •...

  • Page 66: Appendix

    Pilot Operating Handbook for the C42 Series Appendix Appendix 21.1 Placards Objet Emplacement Aerobatics warning Panel Trim Roof rigging Flaps, mechanical Roof rigging Engine oil specifications Inside oil inspection cover Fuel specifications Next to the fuelling cap Baggage loading At the baggage compartment...

  • Page 67: Data Placard

    Pilot Operating Handbook for the C42 Series 21.2 Data Placard Type:______________ Manufacturer: COMCO IKARUS GmbH D-88367 Hohentengen Germany Serial No.: _________________ Year of production: _________________ Never-exceed speed 180 km/h (97 kts) C42B & C42C 216 km/h (116 kts) C42CS 225 km/h (121 kts)

  • Page 68: Service Problem Report Form - Aircraft

    Pilot Operating Handbook for the C42 Series 21.3 Service Problem Report Form – Aircraft Aircraft Type: ______________ Serial No._______________ Year of Manufacture: ______________ Engine Type: _____________ Manufacture:_______________________________________________ Owner: ___________________________________________________ Airframe: __________________________________________________ Total Flight Hours until Defect: __________________________________ Engine:_________________________________________ Airframe:_________________________________________ Total Flight Hours (Pilot) on Aircraft: _____________________________...

  • Page 69: Inspections Performed

    Pilot Operating Handbook for the C42 Series 21.4 Inspections Performed Type: ____________ Serial No._________________ Registration:________________________ Date Type of inspection Recognised expert POH C42 SERIES ISSUE1 (B) REV7 25/04/2020 Page 69 of 73...

  • Page 70: Location Of The Parachute Rescue System

    Pilot Operating Handbook for the C42 Series 21.5 Location of the Parachute Rescue System Important : Le collier 450x7.8mmm est a monté autour du collier du fusé et de la première boucle du sac de parachute, afin d’éviter le glissement du parachute vers l’arrière.
  • Page 71 Pilot Operating Handbook for the C42 Series POH C42 SERIES ISSUE1 (B) REV7 25/04/2020 Page 71 of 73...
  • Page 72 Pilot Operating Handbook for the C42 Series POH C42 SERIES ISSUE1 (B) REV7 25/04/2020 Page 72 of 73...

  • Page 73: Wiring Diagram

    Pilot Operating Handbook for the C42 Series Appendix 21.6 Wiring Diagram POH C42 SERIES ISSUE1 (B) REV7 25/04/2020 Page 73 of 73...

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