Ignition

The high tension insulated wiring from the magneto to the spark plug in reciprocating engines whichprovides a spark for combustion. For turbine engine, the high tension leads to burner can igniters forused for starting. Typical parts are lead, shielding, sleeve, ignition cable, terminal, ferrule, etc.

Navigation

The gyroscopic unit which supplies attitude information to the necessary systems; for instance, verticalreference outputs for use as roll and pitch data to the autopilot computer. Includes the instrumentsoperating by the gyroscopic principle, driven by air flow or an electric motor. Typical parts are verticalgyro and the gyro horizon.

Ignition

The part which provides the spark in the reciprocating engine cylinders or combustion chamber ofturbine engines.

Navigation

The unit operating by gyroscopic principle and driven by airflow or an electric motor, which providesheading (direction) references relative to a preset heading in degrees of the compass. Also for the fluxunit detector which senses the earth's magnetic field and uses this data to correct for gyro drift. Typicalparts are gyro, rotor, bearing, etc.

Ignition

The unit which provides a means of rendering the ignition power supply (magneto) inoperative. Alsoused to direct electrical current to the magneto switch. Does not include engine cranking which iscovered in JASC code 8010. Typical parts are start button (only if associated with a ignition switchingdiscrepancy), switch, back plate, contacts, etc.

Navigation

The instrument which indicates the magnetic heading of an aircraft by self contained magnetizedneedles. Typical parts are compensator, adjusting screw, gasket, float, case, etc.

Ignition

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

Navigation

The instrument actuated by gyroscopic forces and driven by air flow or electric motor to indicate bothrate of turn and angle of bank.

Air

For general reports of turbine engine compressor bleed air systems used to control the flow of airthrough the engine, cooling air systems, and heated air for engine anti-icing reported with insufficientinformation to file in a more specific JASC 7500 series code.

Navigation

The system which computes, interrogates, and continuously displays basic attitude, position, andsteering information in order to maintain a particular course, heading, or attitude. Does not include flightmanagement system components, which should be assigned to JASC code 3460. Typical parts areintegrated flight annunciator, integrated flight comparator, integrated flight computer/amplifier, integratedflight control and integrated flight indicators (i.e., horizontal situation indicator (HSI), attitude anddirection indicator (ADI), attitude direction unit (ADU), heading and direction indicator (HDI), radiodirection indicator (RDI), course direction indicator (CDI), flight director indicator (FDI), pictorialnavigation indicator, flight command indicator, steering computer utilized in the integrated flightinstrument systems, and other components such as cables, connectors, etc.