# Lycoming IGS0-540-A1D

- Type: Engine model (FAA registry)
- Registry code: 41811
- Manufacturer (registry): LYCOMING
- Model: IGS0-540-A1D
- Engine type: Reciprocating
- Power: 380 hp
- Data sheet: [TCDS 1E7](https://openairdocs.org/tcds/1E7) (OpenAirDocs)
- Holder: Lycoming Engines
- Installed in: 0 registered aircraft
- Page: https://openairdocs.org/engine/lycoming-igs0-540-a1d

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 2022-16-03](https://openairdocs.org/ad/2022-16-03): Engine (RECIPROCATING) · Continental Aerospace Technologies GTSIO-520-C, GTSIO-520-D, GTSIO-520-F and 236 more. Effective Aug 15, 2022
- [AD 2012-03-06](https://openairdocs.org/ad/2012-03-06): Fuel servo diaphragm · Continental Motors 6-260-A, 6-285-A, 6-285-B and 482 more. Effective Feb 24, 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 97-15-11](https://openairdocs.org/ad/97-15-11): Cylinder kits · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 538 more. Effective Aug 12, 1997
- [AD 92-12-05](https://openairdocs.org/ad/92-12-05): Piston Pins · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 532 more. Effective Jul 10, 1992
- [AD 81-03-05](https://openairdocs.org/ad/81-03-05): Mixture Control Shaft Assembly · Lycoming Engines IGO-540-A1A, IGO-540-B1A, IGO-540-B1C and 9 more. Effective Feb 11, 1981
- [AD 79-04-05](https://openairdocs.org/ad/79-04-05): Regulator Diaphragm Stem Assembly · Lycoming Engines AEIO-320-D1B, AEIO-320-E1A, AEIO-320-E1B and 215 more. Effective Sep 26, 1979
- [AD 78-23-10](https://openairdocs.org/ad/78-23-10): Center Body Bellows Seal Assembly · Lycoming Engines AEIO-320-D1B, AEIO-320-E1A, AEIO-320-E1B and 218 more. Effective Nov 7, 1978
- [AD 73-23-01](https://openairdocs.org/ad/73-23-01): Piston Pin Assembly · Lycoming Engines AIO-360-A1A, AIO-360-A1B, AIO-360-A2A and 215 more. Effective Jan 13, 1977
- [AD 74-13-05](https://openairdocs.org/ad/74-13-05): Connecting Rod Assemblies · Lycoming Engines IGO-540-A1A, IGO-540-A1B, IGO-540-A1C and 10 more. Effective Jun 21, 1974
- [AD 72-21-06](https://openairdocs.org/ad/72-21-06): Crankcase Bearings · Lycoming Engines IGSO-540-A1A, IGSO-540-A1C, IGSO-540-A1D and 4 more. Effective Oct 17, 1972
- [AD 69-25-08](https://openairdocs.org/ad/69-25-08): Reduction Gear Assemblies · Lycoming Engines GO-435-C2A, GO-435-C2A2, GO-480-A1A and 61 more. Effective Feb 19, 1970
- [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

## 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

None registered with this engine model now.

## NTSB investigations

None matched to aircraft with this engine model.

## FAA accident and incident reports

None matched to aircraft with this engine model.

## Service difficulty reports (8)

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

- [SDR 2004F00431](https://openairdocs.org/sdr/2004F00431), Dec 3, 2004: RING GEAR. CRACKED. OPERATOR REPORTED THAT THE LEFT ENGINE WAS SHUT DOWN AND THE PROPELLER FEATHERED DUE TO ROUGH RUNNING ENGINE SHORTLY AFTER TAKEOFF. MECHANIC INSPECTED ENGINE AF
- [SDR AU981057](https://openairdocs.org/sdr/AU981057), Aug 17, 1998: FUEL CELL. LEAKING. (AUS) RIGHT INBOARD FUEL CELL LEAKING IN AREA ADJACENT TO THE RT ENGINE NACELLE.
- [SDR AU981058](https://openairdocs.org/sdr/AU981058), Aug 17, 1998: FUEL CELL. LEAKING. (AUS) REAR OUTBOARD AND LEADING EDGE FUEL TANKS P/N 50T389034-8 AND P/N 50-921552-8 LEAKING.
- [SDR 97ZZZX1950](https://openairdocs.org/sdr/97ZZZX1950), Apr 14, 1997: BEARING. DETERIORATED. SECTIONS FROM THE CENTER OF THE BEARING APPEARED TO DETERIORATE OR DISSOLVE WITH NO APPARENT REASON. QUALITY OF BEARING IS IN QUESTION.
- [SDR CA970128011](https://openairdocs.org/sdr/CA970128011), Jan 22, 1997: CHANNEL. CRACKED. (CAN) CABIN DOOR HINGE HAD EXCESSIVE PLAY. WHILE REPLACING THE RIVETS A CRACK WAS FOUND IN THE STRUCTURE.
- [SDR CA961011007](https://openairdocs.org/sdr/CA961011007), Oct 2, 1996: SUPPORT. CRACKED. (CAN) CRACKS EXTENDING UPWARDS FROM BOTTOM EDGE OF OUTBOARD SUPPORT WHERE THEY ATTACH TO LOWER FORWARD SPAR CAP. BOTH LOWER BOLT HOLES AT SPAR CAPS, BOTH SIDES 
- [SDR CA960404012](https://openairdocs.org/sdr/CA960404012), Feb 14, 1996: PISTON PIN PLUG. DESTROYED. (CAN)LEFT ENGINE FAILED AFTER ONLY 31 HOURS AFTER OVERHAUL. FACTORY NEW CYLINDERS WERE INSTALLED AT OVERHAUL. ENGINE GRADUALLY LOST RPM. OIL FILTER AND PROP GOV
- [SDR 95ZZZX3315](https://openairdocs.org/sdr/95ZZZX3315), Apr 28, 1995: MAGNETO. POINTS GROUNDED. ON THE THIRD FLIGHT OF THE DAY, THE LEFT ENGINE FAILED TO START. THE CAP WAS REMOVED FROM THE MAG AND MOISTURE WAS FOUND WHICH WAS GROUNDING THE VIBRATOR POINTS

## 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 SE04349CH](https://openairdocs.org/stc/SE04349CH): Installation of SureFly electronic ignition. SureFly Partners Ltd
- [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 SE4408SW](https://openairdocs.org/stc/SE4408SW): Miscellaneous engine cylinder replacement parts. Continental Motors, Inc. Lists IGSO-540 Series
- [STC SE7669SW](https://openairdocs.org/stc/SE7669SW): Installation of parts listed on Airmotive List 8810-3, Rev 6. Continental Motors, Inc. Lists IGSO-540 Series
- [STC SE8776SW](https://openairdocs.org/stc/SE8776SW): Installation of coated cylinders and piston rings. Continental Motors, Inc. Lists IGSO-540 Series
- [STC SE7502SW](https://openairdocs.org/stc/SE7502SW): 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 IGSO-540 Series
- [STC SE442GL](https://openairdocs.org/stc/SE442GL): Incorporation of a fuel flow transducer. Shadin Avionics
- [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 IGSO-540 Series
- [STC SE8023SW](https://openairdocs.org/stc/SE8023SW): Installation and usage of AEROSHELL. Shell Development Co. Lists IGSO-540 Series
- [STC SE452NE](https://openairdocs.org/stc/SE452NE): Installation and usage of 'Mobil AV 1' aviation oil. Mobil Research & Development Corp. Lists IGSO-540 Series
- [STC SE5879SW](https://openairdocs.org/stc/SE5879SW): Use of Phillips X/C II 20W-50 and25W-60 oil (OSS 55875) in all Avco reciprocating aircraft engines from 65 to 450 BHP. Phillips Petroleum Co. Lists IGSO-540 Series
- [STC SE5924SW](https://openairdocs.org/stc/SE5924SW): Installation of stainless steel replacement exhaust studs on AVCO engines. Perrigo & Steele Aircraft Engr Company. Lists IGSO-540 Series
- [STC SE128NE](https://openairdocs.org/stc/SE128NE): Use of AMS/OIL 15W 50 synthetic piston aircraft oil in Avco engines. AMS/OIL. Lists IGSO-540 Series
- [STC SE44WE](https://openairdocs.org/stc/SE44WE): Use of Kling Aviation Oil, Specifications KL-100, KL-200 and KL-300 in Continental and Lycoming engines. Kling Oil Company. Lists IGSO-540 Series

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.