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iKarus C 42 Series User Manual

iKarus C 42 Series
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C42 Pilot Operating Handbook
PILOT OPERATING HANDBOOK
for the aircraft IKARUS C 42 Series
Modell Nr. C42 / C42B / C42C / C42E / C42CS
LTZ-Nr. 61141 / 61141.1 / 61141.5 / 61141.6 / 61141.7
Type IKARUS C42 Series
Airplane Serial-No. _____________________________
Reference: POH C42 Series
Issue 4 - Rev.5
23.08.2019
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.

Table of Contents

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iKarus C 42 Series Specifications

General IconGeneral
Crew1
Capacity1 passenger
Rate of climb5 m/s (980 ft/min)
ModelC 42
Accommodation2 (pilot and passenger)
EngineRotax 912
PowerplantRotax 912 UL or ULS
Stall speed64 km/h (40 mph, 35 kts)
Never exceed speed140 mph
Service ceiling4, 000 m (13, 000 ft)

Summary

Operating Limitations

1.1 Airspeeds

Details critical airspeeds like Vne, Vb, Va, Vfe, and stall speeds for different flap positions.

1.2 Weights

Specifies maximum take-off weight, with/without rescue system, empty weight, and minimum payload.

1.3 Structural Limitations

Defines positive and negative limit load factors for structural integrity.

1.4 Center of Gravity Limits

Outlines the reference datum and forward/rearward CG limits for safe operation.

1.5 Airspeed Markings

Explains the colors and lines on the airspeed indicator for different speed ranges.

1.6 Engine RPM Limitations

Specifies maximum engine RPM for take-off and continuous operation.

1.7 RPM Indicator Markings

Describes the yellow and red arcs on the RPM indicator.

1.8 Flap Settings

Details the flap positions and their associated flight phases (cruising, take-off/landing).

1.9 Propellers for Rotax 912 UL

Lists approved propellers for Rotax 912 UL engines with specifications.

1.10 Propellers for Rotax 912 ULS

Lists approved propellers for Rotax 912 ULS engines with specifications.

1.11 Engine Limitations

Covers engine limits, oil/fuel specs, temperatures, and pressures for Rotax 912/912S.

Kinds of Operation Limitations

Operation of the Engine

Flight Operations

4.1 Taxiing

Explains nose wheel steering, turning radius, and handling crosswinds during taxiing.

4.2 Take-off and Climb

Details pre-takeoff checks, trim settings, flap use, and initial climb procedures.

4.3 Cruising Flight

Provides economical cruise speeds, engine performance, and trimming for horizontal flight.

4.4 Turning Flight

Describes coordinated turns using ailerons and rudders and the effect of airspeed.

4.5 Stalls

Explains stalling speeds in different flap configurations and recovery procedures.

4.6 Descent and Landing

Covers approach procedures, flap use, speeds for final approach, and rounding out.

4.7 Shutting Down the Engine

Outlines the procedure for shutting down the engine after landing.

4.8 Sudden Loss of Engine Power

Provides procedures for engine failure during takeoff and cruising flight.

4.9 Using the Optional Cowl Flap

Details how to adjust the cowl flap for engine temperature control.

4.10 Emergency Procedures

Covers procedures for tipping, sideslip, spin, spiral dive, and loss of control surfaces.

Ground Handling

5.1 Towing

Explains manual moving using tail struts and pivoting on main wheels.

5.2 Hoisting

Describes lifting the aircraft with a hoist using designated mounting points.

5.3 Parking

Lists factors for parking, including brake application and securing the aircraft.

5.4 Tie-Down

Details procedures for securing the aircraft outdoors using ropes and anchors.

Minimum Equipment

Dimensions

Weight and Balance

8.1 Loading Plan

Provides a template for calculating weight and balance, including CG limits.

Data Placard and Checklist

"Before Take-off" Checklist

Approved Equipment

Approved Engines and Propellers

Lists approved Rotax engines and compatible propeller models.

Approved Parachute Rescue Systems

Lists approved parachute rescue systems and associated safety notes.

Approved Aircraft Systems

Covers fuel tank capacities, electrical flap drive, and electrical trim.

Flight Performance

12.1 Take-off Distance

Provides take-off distances and speeds for Rotax 912 UL and ULS engines.

12.2 Rate of Climb

Details rate of climb and best rate speed for Rotax 912 UL and ULS engines.

12.3 Cruising Speed (Solo)

Lists cruising speeds at 65% power for different aircraft models and engines.

12.4 Engine Off Performance (Solo)

Gives data for engine-off performance, including sink rate and glide angle.

Attaching the Wings

13.1 Attaching the Wings to the Fuselage

Step-by-step instructions for attaching wings to the fuselage.

13.2 Folding the Wings for Hangaring

Instructions for folding wings for storage or hangaring.

Pre-flight Inspection

14.1 Engine

Checks for the engine, including propeller, cowling, fluids, and vents.

14.2 Landing Gear

Inspection points for landing gear, including tires and shock absorbers.

14.3 Left Wing

Inspection checks for the left wing, including spar connections, struts, and control surfaces.

14.4 Left Side of Fuselage

Checks for the left fuselage fairing, baggage hatch, and internal connections.

14.5 Empennage

Inspection of the tail surfaces, including stabilizer, rudder, and control connections.

14.6 Right Side of Fuselage

Checks for the right fuselage fairing and fuel tank cap.

14.7 Right Wing

Refers to inspection points for the left wing.

14.8 Cabin, Inside and Outside

Checks the cabin condition, windscreen, and doors.

14.9 Instruments

Checks for power supply, altimeter setting, fuel quantity, and radio.

14.10 Drainage

Instructions for fuel tank drainage.

Care and Maintenance

15.1 Care and Cleaning

Guidelines for cleaning aircraft metal parts, fabric, and glazing.

General Maintenance Requirements

States that maintenance must be performed by qualified persons.

Repair Works and Major Changes

Notes that repairs and major changes require reporting and inspection.

Airworthiness Inspection Procedures

Covers airworthiness inspections by manufacturer or DAeC inspectors.

Owner Repair Limitations

Limits repairs to part exchange and use of original spare parts.

Periodical Inspection Guidelines

Details periodical inspections (50/100 hr) and required manuals.

Reporting Technical Problems

Specifies reporting procedures for technical problems or defects.

Rigging Data

Wing Incidence Angle

Defines incidence angle measurement for the wing relative to the main tube.

Stabilizer Incidence Angle

Defines incidence angle measurement for the stabilizer relative to the main tube.

Incidence Angle Difference

Specifies the difference between wing and stabilizer incidence angles.

Control Surface Deflections

Details aileron, rudder, elevator, and flap deflection angles and measurements.

Landing Gear Specifications

Specifies pressures and oil type for the landing gear system.

Brake System Information

Mentions different brake systems used and where to find service info.

Engine Service Information

Refers to maintenance manuals for engine service information.

Information for Ultralights with Towing Device

Glider Towing

Details equipment and procedures for towing gliders.

Banner Tow

Details equipment and procedures for banner towing operations.

Special Features for Handicapped Pilots

1. Equipment

Lists additional equipment for pilots with disabilities, such as throttle extensions and rudder levers.

2. Installation / Dismantling

Explains the installation and dismantling process for special controls.

3. Operation

Details how to operate the aircraft with modified controls for takeoff and landing.

Flying with Removed Doors

Additional Instructions for Dropping Skydivers

1. Personnel Requirements

Specifies pilot and skydiver license and experience requirements for skydiving operations.

2. Technical Requirements

Lists technical requirements for skydiving, including door removal and securing skydivers.

3. Measures Prior to Take-off

Covers pre-takeoff agreements and practiced procedures for skydivers.

4. Drop Procedures

Details procedures for dropping skydivers, including airspeed and post-drop checks.

Instructions for LiFe-Battery Use

COMCO IKARUS Manufacturer Warranty

Warranty Information

Outlines the warranty coverage, term, and exclusions for the aircraft.

Warranty Service

Describes the process for claiming warranty service and reporting defects.

Claiming

Details the procedure and required information for claiming warranty service.

Requirements for a Warranty

Specifies conditions that void the warranty and Comco Ikarus's responsibilities.

What is Not Covered by the Warranty

Lists specific situations and damages not covered by the manufacturer's warranty.

Appendix

24.1 Placards

Lists various placards and their locations on the aircraft.

24.2 Data Placard

Details information found on the aircraft's data placard.

24.3 Service Problem Report Form - Aircraft

Provides a form for reporting aircraft service problems and damage.

24.4 Inspections Performed

A table to record performed inspections and recognized experts.

24.5 Location of the Parachute Rescue System

Shows how to secure the parachute rescue system using a cable tie.

24.6 Banner Towing

Illustrates banner towing setup with dimensions and components.

24.7 Circuit Diagram

Presents the aircraft's electrical system circuit diagram.

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