# Lycoming GO-435-C2

- Type: Engine model (FAA registry)
- Registry code: 42074
- Manufacturer (registry): LYCOMING
- Model: GO-435-C2
- Engine type: Reciprocating
- Power: 260 hp
- Data sheet: [TCDS E-228](https://openairdocs.org/tcds/E-228) (OpenAirDocs)
- Holder: Lycoming Engines
- Installed in: 2 registered aircraft
- Page: https://openairdocs.org/engine/lycoming-go-435-c2

Model codes come from the FAA registry's reference file.

## ADs that may apply (OpenAirDocs)

Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

- [AD 2012-03-07](https://openairdocs.org/ad/2012-03-07): Carburetor · Lycoming Engines GO-435, GO-435-C2 (O-435-17), GO-435-C2A and 389 more. Effective Mar 27, 2012
- [AD 2004-10-14](https://openairdocs.org/ad/2004-10-14): Crankshaft gear · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 642 more. Effective Jun 25, 2004
- [AD 2003-14-03](https://openairdocs.org/ad/2003-14-03): Rotary fuel pumps · Lycoming Engines AEIO-540-D4A5, AEIO-540-D4B5, AEIO-540-D4C5 and 262 more. Effective Aug 14, 2003
- [AD 90-04-06 R1](https://openairdocs.org/ad/90-04-06-R1): Propeller Governor External Oil Line · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 427 more. Effective May 28, 1991
- [AD 66-06-03](https://openairdocs.org/ad/66-06-03): Connecting Rod Assemblies · Lycoming Engines GO-435-C2 (O-435-17), GO-435-C2A, GO-435-C2A2 and 317 more. Effective Jan 16, 1969
- [AD 62-23-05](https://openairdocs.org/ad/62-23-05): Propeller Shaft Oil Seal Rings · Lycoming Engines GO-435-C2 (O-435-17), GO-435-C2A, GO-435-C2A2 and 49 more. Effective Nov 14, 1962
- [AD 51-24-01](https://openairdocs.org/ad/51-24-01): Exhaust Valve Seats · Lycoming Engines GO-435-C2 (O-435-17)

Historical (superseded or no longer in force):

- [AD 98-18-12](https://openairdocs.org/ad/98-18-12) (historical): Fuel Pump · Textron Lycoming, AVCO AEIO-540-D4A5, AEIO-540-D4B5, AEIO-540-D4C5 and 249 more. Effective Sep 28, 1998

## Information bulletins (advisory) (2)

- [SAIB NE-19-08](https://openairdocs.org/saib/NE-19-08): Reciprocating Engine Cylinder Section - Lycoming Engines Parallel Valve Cylinders. Issued May 2, 2019
- [SAIB NE-14-13](https://openairdocs.org/saib/NE-14-13): Reciprocating Engine - Cylinder Mounting Studs. Issued Mar 24, 2014

## Registered aircraft (2)

- [N798TL](https://openairdocs.org/aircraft/N798TL): S/N 35
- [N80BN](https://openairdocs.org/aircraft/N80BN): [20right LLC](https://openairdocs.org/faa-owner/20RIGHT%20LLC), [Chugiak, AK](https://openairdocs.org/faa-place/AK/Chugiak), built 1945, S/N 1414

## NTSB investigations

None matched to aircraft with this engine model.

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 20070730014309I](https://openairdocs.org/incident/20070730014309I), Jul 30, 2007: Amtr SUPERSKYBOLT (N260SS), Grain Valley, MO, Minor damage. (-23) Pilot was conducting initial high-speed taxi tests on runway and lost directional control. Aircraft departed runway 27 to the left and struck a VASI…

## Service difficulty reports (1)

As reported by operators and repair stations, by the model named in the report.

- [SDR CA990907012](https://openairdocs.org/sdr/CA990907012), Aug 12, 1999: BLADE. CRACKED. (CAN) PER AD 97-18-02, CRACKS FOUND IN BOTH BLADE SHANKS.

## STCs that may be installed (OpenAirDocs) (18)

Approved for this engine model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC SE04651CH](https://openairdocs.org/stc/SE04651CH): To allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22. Swift Fuels LLC
- [STC SE00825WI](https://openairdocs.org/stc/SE00825WI): Installation of Specialty Products Spin-on oil filter on Lycoming Engines. B & C Specialty Products Inc
- [STC SE01954SE](https://openairdocs.org/stc/SE01954SE): Installation of engine crankcase seal. Ly-Con Rebuilding Company
- [STC SE03309CH](https://openairdocs.org/stc/SE03309CH): Installation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt application. Hartzell Propeller Inc
- [STC SE01966WI](https://openairdocs.org/stc/SE01966WI): Use of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft engines. General Aviation Modifications Inc
- [STC SE8628SW](https://openairdocs.org/stc/SE8628SW): Installation of oil nozzles for lubrication of cam and filters. Cygnet Aerospace Corp
- [STC SE4493NM](https://openairdocs.org/stc/SE4493NM): Installation of oil filter adapter and oil filter. Airwolf Filter Corporation
- [STC SE7507SW](https://openairdocs.org/stc/SE7507SW): Installation of any or all parts listed on Airmotive Engineering Drawing List No. 852-1, Rev. 1, dated 10/4/88, or later FAA approved revision. Continental Motors, Inc. Lists GO-435 Series
- [STC SE02436AT](https://openairdocs.org/stc/SE02436AT): Installation of 200F series fuel pump assembly. Kelly Aerospace Energy Systems LLC
- [STC SE914NW](https://openairdocs.org/stc/SE914NW): Installation of a propeller governor adapter with a combination adapter/valve to provide propeller reversing control. McHugh Aviation Inc. Lists GO-435 Series
- [STC SE1779NM](https://openairdocs.org/stc/SE1779NM): Installation of Precise Flight, Inc. Standby Vacuum System SVS III. Precise Flight Inc
- [STC SE09492SC](https://openairdocs.org/stc/SE09492SC): Installation and usage of Exxon 20W50 multigrade aircraft engine oil conforming to Exxon Oil formulation WS-3013. Exxon Company USA. Lists GO-435 Series
- [STC SE00350SE](https://openairdocs.org/stc/SE00350SE): Installation of sump mounted chip detector. Aviation Development Corporation
- [STC SE579SO](https://openairdocs.org/stc/SE579SO): Installation of Bendix magneto models S6LN-20 and S6LN-21. Mack's Aircraft Engine Svc
- [STC SE8023SW](https://openairdocs.org/stc/SE8023SW): Installation and usage of AEROSHELL. Shell Development Co. Lists GO-435 Series
- [STC SE452NE](https://openairdocs.org/stc/SE452NE): Installation and usage of 'Mobil AV 1' aviation oil. Mobil Research & Development Corp. Lists GO-435 Series
- [STC SE5924SW](https://openairdocs.org/stc/SE5924SW): Installation of stainless steel replacement exhaust studs on AVCO engines. Perrigo & Steele Aircraft Engr Company. Lists GO-435 Series
- [STC SE128NE](https://openairdocs.org/stc/SE128NE): Use of AMS/OIL 15W 50 synthetic piston aircraft oil in Avco engines. AMS/OIL. Lists GO-435 Series

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