Engine Fuel and Control

The unit which heats fuel flowing to the engine to prevent freezing of entrapped water. Does not includeconnecting lines or the heat source.

Landing Gear

The devices such as tail skids on tricycle gear aircraft used to stabilize the aircraft on the ground and toprevent ground contact damage. This code is also used for supplementary wheels on rotorcraft, skidsfor ground handling but not for skids or amphibian/seaplane floats, hull or associated retractable landinggear. This code is not for auxiliary or emergency landing gear extension systems which are filed inJASC code 3230.

Engine Fuel and Control

The unit which injects metered fuel into piston engine cylinders and burner cans in turbine engines.

Landing Gear

For reports indicating a problem with wiring specific to the Landing Gear System.

Engine Fuel and Control

For reports pertaining to engine fuel pumps. Typical parts are housing, spring, rocker, pump,diaphragm, shaft, seal, relief valve, regulator, coupling, etc.

Lights

The units and components which provide for external and internal illumination. Includes light fixtures,switches and wiring. Does not include warning lights for individual systems. Use this code for reports ofa general nature or for miscellaneous external and internal lamps, circuitry, switches, etc., withinsufficient information to file in a specific JASC 3300 series code. Warning lights are filed in theindividual JASC Chapter 33 code.

Engine Fuel and Control

The system components or parts other than the fuel control, amplifier, computer, carburetor andindication systems which control and deliver metered fuel/air to engine cylinders or turbine engine burnercans. Typical parts are sense line, power and drain valve (P & D valve), drain valve, carburetor inlettemperature sensor, etc.

Lights

The lighting systems and equipment including panel illumination other than inside individual instruments,master warning light systems such as annunciator panels, and associated dimming systems located inthe flight compartment only. Typical parts are bulb, socket, switch, lamp, lens, relay, rheostat, resistor,ballast, etc.

Engine Fuel and Control

The components which electronically control metered fuel flow under infinite temperature, altitude, andbarometric pressure conditions. This code is also to be used for turbine engines which utilize electronicand non-electronic fuel controls. Typical parts are computer, amplifier, sync box, CIT sensor, etc.

Lights

The lighting systems in the passenger seating compartment, lavatories, buffet/galley compartments andcabin carry-on baggage/coat areas. Includes lamps for illumination of cabin, reading lamps, seatbelt/no-smoking signs and passenger call systems. Does not include emergency lighting which is to befiled in JASC code 3350. Typical parts are ballast, switch, transformer, lamp, etc.