ATA 77 — Engine Indicating

7,396 parts classified under this chapter

Reliability rollup

96%Median scrap propensity

1,516 parts · 4,652 SDR reports

From FAA Service Difficulty Reports

Part Number	Description	Manufacturer	Airframe	ATA	Category	Status
10-01245	Westach Voltmeters 6-16 VDC Non TSO	Westach	—	77	Instruments	PMA
10-01257	Westach EGT Probe K Wire 1-5/8-2.5 Clamp 712-32Dwk Non TSO	Westach	—	77	Instruments	PMA
10-01258	Westach 2-1/4 Square Dual Volt 7-17 Amp 60-0-60 Non-TSO	Westach	—	77	Instruments
10-01259	Westach J Type CHT Sender 712-9Wk	Westach	—	77	Instruments	PMA
10-01260	Westach 2-1/4 CHT Square Gauge 25-375C 2A1-2 Non-TSO	Westach	—	77	Instruments
10-01261	Westach 2-1/4 Outside Air Temp -40 - 120F 2A3-3 Non TSO	Westach	—	77	Instruments	PMA
10-01263	Westach EGT Probe K Wire 1/8 NPT 712-4D2K Non-TSO	Westach	—	77	Instruments
10-01266	Westach 6 Position Switch With 8 Lead 254-6F Non-TSO	Westach	—	77	Instruments
10-01268	Westach Single EGT 2C2	Westach	—	77	Instruments	PMA
10-01270	Westach Dual EGT 3-1/8 Gauge	Westach	—	77	Instruments	PMA
10-01273	Westach Exhaust Gas Temperature (100-19000 F)	Westach	—	77	Instruments	PMA
10-01274	Westach Quads CHT 3Aq1	Westach	—	77	Instruments	PMA
10-01275	Westach 2-1/4 Square Tachometer 3500 RPM 2AT3-2 Non-TSO	Westach	—	77	Instruments
10-01276	Westach Quads- EGT	Westach	—	77	Instruments	PMA
10-01278	Westach 2-1/4 Inch Dual Carb Temp / Outside Temp	Westach	—	77	Instruments	PMA
10-01280	Westach Exhaust Gas Temperature (400-9000 C)	Westach	—	77	Instruments	PMA
10-01281	Westach Voltmeters 0-35 VDC	Westach	—	77	Instruments	PMA
10-01282	Westach EGT Probe K Wire 1/4 NPT 4 Tip 712-4Dk Non-TSO	Westach	—	77	Instruments
10-01284	Westach Tachometer 3 1/8 Inch Square	Westach	—	77	Instruments	OEM
10-01285	Westach CHT Probe J Wire 1/8 NPT 4 Lead Non-TSO	Westach	—	77	Instruments
10-01286	Westach 2 Position Switch With 8 Lead 254-2F Non-TSO	Westach	—	77	Instruments
10-01287	Westach Quads CHT / EGT 3Aq3	Westach	—	77	Instruments	PMA
10-01288	Westach Temperature Sender 399S1	—	—	77	Instruments	OEM
10-01289	Westach Quad CHT / EGT / Oil Press / Oil Temp	Westach	—	77	Instruments	PMA
10-01292	Westach Oil Pressure Gauge K2A8MM	Westach	—	77	Instruments	PMA
10-01293	Westach Twin CHT Gauges 3DA8	Westach	—	77	Instruments	PMA
10-01294	Westach Tachometer 4 Cylinder 0-5000 Rpm	Westach	—	77	Instruments
10-01296	Westach Hourmeter 2A10-2	Westach	—	77	Instruments	PMA
10-01301	Westach 2-1/4 Square Coolant Temperature 100-260F 2A9-5 Non-TSO	Westach	—	77	Instruments
10-01302	Westach 2 Inch Tach Only	Westach	—	77	Instruments	PMA
10-01305	Westach Tachometer 0-3500 Y2AT3-2Lc	Westach	—	77	Instruments
10-01319	Ammeter 130 Amps 2 1/4 Inch Gauge	Microflight	—	77	Instruments	PMA
10-01338	Electronics International C-1 Single Channel CHT Gauge	Electronics International	—	77	Instruments	PMA
10-01339	Electronics International C-1P Single Channel CHT Primary	Electronics International	—	77	Instruments	OEM
10-01348	Electronics International C-4 Four Channel CHT	Electronics International	—	77	Instruments	OEM
10-01350	Electronics International C-6 Six Channel CHT	Electronics International	—	77	Instruments	OEM
10-01355	Electronics International E-1 Single Channel EGT	Electronics International	—	77	Instruments	OEM
10-01356	Electronics International E-4 Four Channel EGT	Electronics International	—	77	Instruments	OEM
10-01357	Electronics International E-6 Six Channel EGT	Electronics International	—	77	Instruments	OEM
10-01358	Electronics International Ec-1 Single Channel EGT/CHT	—	—	77	Instruments	OEM
10-01359	Electronics International Ec-2 One Channel EGT/CHT Twin Engine	Electronics International	—	77	Instruments	OEM
10-01368	Electronics International P-102 CHT Probe	Electronics International	—	77	Instruments
10-01373	Electronics International T-1P Single Channel TIT Primary	Electronics International	—	77	Instruments	OEM
10-01374	Tachometer 2 0-4000 RPM 16 Pole	—	—	77	Instruments	OEM
10-01399	CHT/EGT Combo With Probe	Falcon & Swift	—	77	Instruments
10-01400	Swift Gauge 2 Inch Round CHT/EGT Gauge 100-7000F / 700-17000F	Falcon & Swift	—	77	Instruments	PMA
10-01401	Swift Gauge 2 Inch Round CHT/EGT Gauge 50-3750C / 375-9250C	Falcon & Swift	—	77	Instruments	PMA
10-01402	CHT/EGT Comb 2 Round Deg C.	Falcon & Swift	—	77	Instruments
10-01403	2 1/4 CHT/EGT Combination	Falcon & Swift	—	77	Instruments
10-01404	Swift Gauge 2-1/4 CHT/EGT Gauge 100-700F / 700-1700F Non TSO	Falcon & Swift	—	77	Instruments	PMA