# Lycoming IGO-540-B1A - Type: Engine model (FAA registry) - Registry code: 41538 - Manufacturer (registry): LYCOMING - Model: IGO-540-B1A - Engine type: Reciprocating - Power: 350 hp - Data sheet: [TCDS 1E11](https://openairdocs.org/tcds/1E11) (OpenAirDocs) - Holder: Lycoming Engines - Installed in: 9 registered aircraft - Page: https://openairdocs.org/engine/lycoming-igo-540-b1a 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 2015-19-07](https://openairdocs.org/ad/2015-19-07): Fuel injector fuel lines · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1B and 187 more. Effective Nov 3, 2015 - [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 2009-02-03](https://openairdocs.org/ad/2009-02-03): Fuel injection servos · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 261 more. Effective Feb 9, 2009 - [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 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 75-09-15](https://openairdocs.org/ad/75-09-15): Fuel Starvation To The Engine · Lycoming Engines AIO-320-A1A, AIO-320-A1B, AIO-320-A2A and 130 more. Effective Apr 30, 1975 - [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 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 - [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 Historical (superseded or no longer in force): - [AD 2011-26-04](https://openairdocs.org/ad/2011-26-04) (historical): Externally mounted fuel injector fuel lines · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1B and 186 more. Effective Jan 25, 2012 - [AD 2008-14-07](https://openairdocs.org/ad/2008-14-07) (historical): Externally mounted fuel injector fuel lines · Textron Lycoming, AVCO AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1B and 185 more. Effective Aug 14, 2008 - [AD 2008-08-14](https://openairdocs.org/ad/2008-08-14) (historical): Fuel injection servo plugs · Superior Air Parts AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 242 more. Effective Apr 29, 2008 - [AD 2002-26-01](https://openairdocs.org/ad/2002-26-01) (historical): Fuel injector fuel lines · Textron Lycoming, AVCO IGO-480-A1B6, IGO-540-B1A, IGO-540-B1C and 178 more. Effective Jan 31, 2003 - [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 (9) - [N104BA](https://openairdocs.org/aircraft/N104BA): [Bemidji Aviation Services Inc](https://openairdocs.org/faa-owner/BEMIDJI%20AVIATION%20SERVICES%20INC), [Bemidji, MN](https://openairdocs.org/faa-place/MN/Bemidji), built 1965, S/N LD-235 - [N14FF](https://openairdocs.org/aircraft/N14FF): [K & L Agri Farms Inc](https://openairdocs.org/faa-owner/K%20%26%20L%20AGRI%20FARMS%20INC), [Adams, NE](https://openairdocs.org/faa-place/NE/Adams), built 1961, S/N 560F-1107-31 - [N222WL](https://openairdocs.org/aircraft/N222WL): [Airborne Solutions Group](https://openairdocs.org/faa-owner/AIRBORNE%20SOLUTIONS%20GROUP), [Dayton, OH](https://openairdocs.org/faa-place/OH/Dayton), built 1962, S/N 560F-1243-53 - [N235PL](https://openairdocs.org/aircraft/N235PL): [Tree Top Flyers LLC](https://openairdocs.org/faa-owner/TREE%20TOP%20FLYERS%20LLC), [Cookeville, TN](https://openairdocs.org/faa-place/TN/Cookeville), S/N 10039C - [N303H](https://openairdocs.org/aircraft/N303H): [Airborne Solutions Group](https://openairdocs.org/faa-owner/AIRBORNE%20SOLUTIONS%20GROUP), [Dayton, OH](https://openairdocs.org/faa-place/OH/Dayton), built 1963, S/N 1312-62 - [N4177V](https://openairdocs.org/aircraft/N4177V): [Wages Charles Braden](https://openairdocs.org/faa-owner/WAGES%20CHARLES%20BRADEN), [Dallas, TX](https://openairdocs.org/faa-place/TX/Dallas), built 1999, S/N 3257077 - [N41KV](https://openairdocs.org/aircraft/N41KV): [Rockberry LLC](https://openairdocs.org/faa-owner/ROCKBERRY%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1964, S/N 1422-69 - [N53264](https://openairdocs.org/aircraft/N53264): [Van De Wall Allan](https://openairdocs.org/faa-owner/VAN%20DE%20WALL%20ALLAN), [Oro Valley, AZ](https://openairdocs.org/faa-place/AZ/Oro%20Valley), built 2001, S/N 3257220 - [N6226D](https://openairdocs.org/aircraft/N6226D): [Nielsen James R](https://openairdocs.org/faa-owner/NIELSEN%20JAMES%20R), [Carson City, NV](https://openairdocs.org/faa-place/NV/Carson%20City), built 1963, S/N 1307-60 ## NTSB investigations (13) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB ANC97LA158](https://openairdocs.org/ntsb/ANC97LA158), Sep 30, 1997: Pilatus PC-6-350 (N4911), Palmer, AK, substantial damage. Probable cause: An underspeed of the propeller system. - [NTSB NYC87DNC03](https://openairdocs.org/ntsb/NYC87DNC03), Dec 3, 1986: Aero Commander 680 (N6375U), Barre, VT, substantial damage - [NTSB ATL84LA142](https://openairdocs.org/ntsb/ATL84LA142), Apr 7, 1984: Aero Commander 560F (N6368U), Hilton, SC, substantial damage - [NTSB FTW81DRD12](https://openairdocs.org/ntsb/FTW81DRD12), Jan 23, 1981: Aero Comdr 560C (N4385), Brownsville, TX, destroyed - [NTSB MIA81DKT10](https://openairdocs.org/ntsb/MIA81DKT10), Nov 18, 1980: Aero Comdr 560F (N444R), Naples, FL, destroyed - [NTSB DEN79FTE12](https://openairdocs.org/ntsb/DEN79FTE12), Dec 12, 1978: Aero Comm 680F (N11VM), Lajunta, CO, substantial damage - [NTSB MIA78FLD38](https://openairdocs.org/ntsb/MIA78FLD38), Apr 22, 1978: Aero Comdr 560 (N36JH), Holopaw, FL, destroyed - [NTSB LAX77FUM14](https://openairdocs.org/ntsb/LAX77FUM14), Jan 29, 1977: Aero Comdr 560F (N301T), San Diego, CA, substantial damage - [NTSB ANC71FAG84](https://openairdocs.org/ntsb/ANC71FAG84), May 4, 1971: Pilatus PC-6 (N4911), Iliamna, AK, substantial damage - [NTSB ANC69A0057](https://openairdocs.org/ntsb/ANC69A0057), May 20, 1969: Pilatus PC-6 (N4911), Dead Horse, AK, substantial damage - [NTSB MIA69A0058](https://openairdocs.org/ntsb/MIA69A0058), Mar 27, 1969: Aero Comdr 560-F (N356R), Greenwood, MS, substantial damage - [NTSB OAK68D0173](https://openairdocs.org/ntsb/OAK68D0173), Jun 14, 1967: Aero Comdr 560-F (N160K), Hernandz Lk, CA, substantial damage - [NTSB LAX67F0037](https://openairdocs.org/ntsb/LAX67F0037), Jul 8, 1966: Aero Comdr 560F (N162K), Van Nuys, CA, substantial damage ## FAA accident and incident reports (13) 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 20210501009689I](https://openairdocs.org/incident/20210501009689I), May 1, 2021: Maule MX-7-235 (N235PL), Sparta, TN, Minor damage. [privacy data omitted]Pilot in command stated he was practicing landings and just flying for pleasure. He obtained a weather report (patwas) before takeoff and… - [Accident 19970929039599A](https://openairdocs.org/incident/19970929039599A), Sep 29, 1997: Pilats PC6350 (N4911), Palmer, AK, Substantial damage. Failed become airborne during takeoff on remote strip. Struck trees off end runway. (.4)the pilot stated that while departing an 800-foot off-airport landing… - [Incident 19930421017459I](https://openairdocs.org/incident/19930421017459I), Apr 21, 1993: Gulstm 560F (N160K), Stockton, CA, Minor damage. Nose gear collapsed on landing rollout. Appears nose gear doors failed to open completely to allow gear to extend. - [Incident 19891212063159I](https://openairdocs.org/incident/19891212063159I), Dec 12, 1989: Gulstm 560F (N303H), Lake Charles, LA. Pilot had radio problems and inadvertently entered traffic area without authorization. - [Incident 19870816051099I](https://openairdocs.org/incident/19870816051099I), Aug 16, 1987: Gulstm 560F (N6126X), Albuquerque, NM. Diverted after a vibration developed on left engine. Left propeller spinner bracket was broken. - [Accident 19861203064029A](https://openairdocs.org/incident/19861203064029A), Dec 3, 1986: Gulstm 680FL (N6375U), Barre Montpelie, VT, Substantial damage. The aircraft ran off the end of the runway after a long, fast touchdown. Ice patches reported on end of runway. - [Accident 19840406012479A](https://openairdocs.org/incident/19840406012479A), Apr 6, 1984: Gulstm 560F (N6368U), Hilton Head Isl, SC, Substantial damage. Landed gear up. No gear defects. Gear doors undamaged. - [Incident 19821210066099I](https://openairdocs.org/incident/19821210066099I), Dec 10, 1982: Gulstm 680FL (N6375U), Gorman, CA. #3 Left engine cylinder hold down studs broke. Feathered propeller and landed at destination. - [Accident 19810123002749A](https://openairdocs.org/incident/19810123002749A), Jan 23, 1981: Rkwell 560F (N4385), Brownsville, TX, Destroyed. Reported being lost on local test flight at sea due to thunderstorms. Ditched. Rescued. License had been revoked. - [Accident 19801118071269A](https://openairdocs.org/incident/19801118071269A), Nov 18, 1980: Rkwell 560F (N444R), Naples, FL, Destroyed. Takeoff from road was being attempted. Aircraft hit trees & burned. Illegal drug flight probable. - [Accident 19781212039919A](https://openairdocs.org/incident/19781212039919A), Dec 12, 1978: Rkwell 680FLP (N11VM), Lajunta, CO, Substantial damage. During low pass to look at antelope,left wing struck an unknown ot. - [Accident 19780422010679A](https://openairdocs.org/incident/19780422010679A), Apr 22, 1978: Rkwell 560F (N36JH), Holopaw, FL, Destroyed. Acft under surveillance for drug trafficking. Accident date & injundex presumed. - [Accident 19770129001419A](https://openairdocs.org/incident/19770129001419A), Jan 29, 1977: Rkwell 560F (N301T), San Diego, CA, Substantial damage. Rt eng caught fire on start. Rt eng fuel line disconnected. Acft not released from maint. ## Service difficulty reports (2) As reported by operators and repair stations, by the model named in the report. - [SDR 2008FA0000240](https://openairdocs.org/sdr/2008FA0000240), Mar 7, 2008: BOLT. FAILED. NR 1 ENGINE SHUTDOWN IN FLIGHT. SUSPECTED NR 7 CONNECTING ROD BOLT FAILURE. CAUSING CYL SEPARATION FROM CASE AND CRANK CASE CRACK. AC LANDED SAFELY WITHOUT OTHE - [SDR 96ZZZX1955](https://openairdocs.org/sdr/96ZZZX1955), Feb 14, 1996: SWITCH WIRE. CHAFED. AIRCRAFT WAS EXPERIENCING PERIODIC UNCOMMANDED LT BOOST PUMP OPERATION WITH LT BOOST PUMP AND LT FUEL LOW PRESSURE ANNUNCIATOR LIGHTS COMING ON. PROBLEM FOUND T ## STCs that may be installed (OpenAirDocs) (16) 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 SE4408SW](https://openairdocs.org/stc/SE4408SW): Miscellaneous engine cylinder replacement parts. Continental Motors, Inc. Lists IGO-540 Series - [STC SE8776SW](https://openairdocs.org/stc/SE8776SW): Installation of coated cylinders and piston rings. Continental Motors, Inc. Lists IGO-540 Series - [STC SE7582SW](https://openairdocs.org/stc/SE7582SW): Grinding of high compression NITRIDED Cylinders to .010 oversize, as an alternative to chrome plating or rebarreling, and the installation of SL10207 P10 Piston, SL74241 P10 Top and second compression ring, and SL 73857 P10 oil control ring. Superior Air Parts, Inc - [STC SE1779NM](https://openairdocs.org/stc/SE1779NM): Installation of Precise Flight, Inc. Standby Vacuum System SVS III. Precise Flight Inc - [STC SE00890LA](https://openairdocs.org/stc/SE00890LA): Installation of Nickson's cylinder barrels on Lycoming reciprocating engine models. Nickson's Machine Shop Inc. Lists IGO-540 Series - [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 IGO-540 Series - [STC SE452NE](https://openairdocs.org/stc/SE452NE): Installation and usage of 'Mobil AV 1' aviation oil. Mobil Research & Development Corp. Lists IGO-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 IGO-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 IGO-540 Series - [STC SE1445SO](https://openairdocs.org/stc/SE1445SO): Use of Aero-blend oil additive in Teledyne (non turbocharged) aircraft engines. ProTec. Lists IGO-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 IGO-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 IGO-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.