# Lycoming TIGO-541-C1A

- Type: Engine model (FAA registry)
- Registry code: 42011
- Manufacturer (registry): LYCOMING
- Model: TIGO-541-C1A
- Engine type: Reciprocating
- Power: 400 hp
- Data sheet: [TCDS E19EA](https://openairdocs.org/tcds/E19EA) (OpenAirDocs)
- Holder: Lycoming Engines
- Installed in: 0 registered aircraft
- Page: https://openairdocs.org/engine/lycoming-tigo-541-c1a

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 2026-04-11](https://openairdocs.org/ad/2026-04-11): Engine (Reciprocating) · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 605 more. Effective Apr 8, 2026
- [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 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 91-08-07](https://openairdocs.org/ad/91-08-07): Fuel Pump · Lycoming Engines TIO-360-A1A, TIO-360-A1B, TIO-360-A3B6 and 51 more. Effective May 6, 1991
- [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

Historical (superseded or no longer in force):

- [AD 2024-21-02](https://openairdocs.org/ad/2024-21-02) (historical): Engine (Reciprocating) · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 548 more. Effective Dec 5, 2024
- [AD 2011-15-10](https://openairdocs.org/ad/2011-15-10) (historical): Fuel servos · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 256 more. Effective Aug 16, 2011
- [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

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.

## STCs that may be installed (OpenAirDocs) (11)

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 SE03309CH](https://openairdocs.org/stc/SE03309CH): Installation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt application. Hartzell Propeller Inc
- [STC SE01436LA](https://openairdocs.org/stc/SE01436LA): Installation of Firewall Forward Technologies LLC modified camshaft. Centri-lube Technologies LLC
- [STC SE04577CH](https://openairdocs.org/stc/SE04577CH): Install an electronic engine ignition system. Electroair Acquisition Corp
- [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 SE8776SW](https://openairdocs.org/stc/SE8776SW): Installation of coated cylinders and piston rings. Continental Motors, Inc
- [STC SE1779NM](https://openairdocs.org/stc/SE1779NM): Installation of Precise Flight, Inc. Standby Vacuum System SVS III. Precise Flight Inc
- [STC SE00350SE](https://openairdocs.org/stc/SE00350SE): Installation of sump mounted chip detector. Aviation Development Corporation
- [STC SE452NE](https://openairdocs.org/stc/SE452NE): Installation and usage of 'Mobil AV 1' aviation oil. Mobil Research & Development Corp
- [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
- [STC SE128NE](https://openairdocs.org/stc/SE128NE): Use of AMS/OIL 15W 50 synthetic piston aircraft oil in Avco engines. AMS/OIL
- [STC SA01436DE](https://openairdocs.org/stc/SA01436DE) (historical): Installation of Firewall Forward Technologies, LLC modified camshaft. Centri-Lube Technologies LLC

## PMA parts (OpenAirDocs) (765, first 50)

Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this engine model on its data sheet, so check the FAA record before relying on it. Newest first.

- [OC](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID178549155320250923184433.0001): Oil Cooler Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Sep 12, 2025
- [SL6](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID151538433320250923185921.0001): Engine Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Aug 4, 2025
- [TXPL6](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID146504457020250923185923.0001): Engine Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Aug 4, 2025
- [HSS](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID104096221220250923185925.0001): Engine Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Aug 4, 2025
- [AA48104-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID156575247020240813134135.0001): Oil Filter. Aero Accessories LLC · PMA PQ1206CE · Replaces Aero AccessoriesAA48104Champion… · Jul 12, 2024
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID109491024920240701174358.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Jun 20, 2024
- [ES10-35936-7](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID191691087420251216184428.0001): Screw. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 10-35936-7 · Dec 8, 2023
- [AB-382789](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID131202563120251216184436.0001): Screw. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 10-382789 · Dec 8, 2023
- [AB-55501](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID122580157220251216184441.0001): Washer. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 10-55501 · Dec 8, 2023
- [TA2927-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID196557185220231109131559.0001): Engine Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Oct 31, 2023
- [TA2927-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID168120339420231109131600.0001): Engine Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Oct 31, 2023
- [ERZ‐8011](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID179976557020220916164344.0001): Starter Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Kelly Aerospace MZ-4205… · May 16, 2022
- [ERB‐8011](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID131425514420220916164339.0001): Starter Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Kelly Aerospace MHB-4001, MHB-4002… · May 16, 2022
- [SL-STD-160](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID889354517620210823174227.0001): Gasket. Superior Air Parts Inc · PMA PQ0060SW · Replaces STD-160 · May 10, 2021
- [SL-STD-1045](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID666831168520210823174225.0001): Gasket. Superior Air Parts Inc · PMA PQ0060SW · Replaces STD-1045 · May 10, 2021
- [SL-STD-1925](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID623876214320210823173811.0001): Screw. Superior Air Parts Inc · PMA PQ0060SW · Replaces STD-1925 · May 5, 2021
- [SL31CD-17 P003](https://drs.faa.gov/browse/excelExternalWindow/F659E4EB8DB01695862585FB0034F5D9.0001): Stud, 5/16 IN DIA, Coarse Thread. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-17-P03 · Oct 6, 2020
- [SL31CD-16 P012](https://drs.faa.gov/browse/excelExternalWindow/F266CA7E477307DC862585FB0034F5A4.0001): Stud, 5/16 IN DIA, Coarse Thread. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-16-P12 · Oct 6, 2020
- [SL31CD-13 P012](https://drs.faa.gov/browse/excelExternalWindow/E656978A9DBFB875862585FB0034F397.0001): Stud, 5/16 IN DIA, Coarse Thread. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-13-P12 · Oct 6, 2020
- [SL31CD-8 P003](https://drs.faa.gov/browse/excelExternalWindow/CAF2AF0E913FE9BD862585FB0034EF24.0001): Stud, 5/16 IN DIA, Coarse Thread. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-8-P03 · Oct 6, 2020
- [SL31CD-12 P007](https://drs.faa.gov/browse/excelExternalWindow/C54ACF40782DEBC8862585FB0034F27F.0001): Stud, 5/16 IN DIA, Coarse Thread. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-12-P07 · Oct 6, 2020
- [SL31CD-16 P007](https://drs.faa.gov/browse/excelExternalWindow/BF0A4986950E56BF862585FB0034F569.0001): Stud, 5/16 IN DIA, Coarse Thread. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-16-P07 · Oct 6, 2020
- [SL31CD-9 P003](https://drs.faa.gov/browse/excelExternalWindow/B9F7D60B38AEE8DF862585FB0034F034.0001): Stud, 5/16 IN DIA, Coarse Thread. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-9-P03 · Oct 6, 2020
- [SL31CD-9 P012](https://drs.faa.gov/browse/excelExternalWindow/B1D44CBED84E8BAB862585FB0034F0B2.0001): Stud, 5/16 IN DIA, Coarse Thread. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-9-P12 · Oct 6, 2020
- [SL31CD-17 P012](https://drs.faa.gov/browse/excelExternalWindow/AAC574021811F7CE862585FB0034F64F.0001): Stud, 5/16 IN DIA, Coarse Thread. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-17-P12 · Oct 6, 2020
- [SL31CD-14 P007](https://drs.faa.gov/browse/excelExternalWindow/A90ED71F550BACC8862585FB0034F411.0001): Stud, 5/16 IN DIA, Coarse Thread. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-14-P07 · Oct 6, 2020
- [SL31CD-14 P003](https://drs.faa.gov/browse/excelExternalWindow/A13F7190860A5D16862585FB0034F3D2.0001): Stud, 5/16 IN DIA, Coarse Thread. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-14-P03 · Oct 6, 2020
- [SL31CD-10 P007](https://drs.faa.gov/browse/excelExternalWindow/909ECAA97B419CBC862585FB0034F131.0001): Stud, 5/16 IN DIA, Coarse Thread. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-10-P07 · Oct 6, 2020
- [SL31CD-11 P007](https://drs.faa.gov/browse/excelExternalWindow/85D88C32D876EA1A862585FB0034F1E3.0001): Stud, 5/16 IN DIA, Coarse Thread. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-11-P07 · Oct 6, 2020
- [SL31CD-19 P007](https://drs.faa.gov/browse/excelExternalWindow/84E2AF0EBBEC6946862585FB0034F760.0001): Stud, 5/16 IN DIA, Coarse Thread. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-19-P07 · Oct 6, 2020
- [SL31CD-18 P003](https://drs.faa.gov/browse/excelExternalWindow/83C21036C578A11E862585FB0034F685.0001): Stud, 5/16 IN DIA, Coarse Thread. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-18-P03 · Oct 6, 2020
- [SL31CD-17 P007](https://drs.faa.gov/browse/excelExternalWindow/7CD6BAAF107F8D1C862585FB0034F61B.0001): Stud, 5/16 IN DIA, Coarse Thread. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-17-P07 · Oct 6, 2020
- [SL31CD-11 P012](https://drs.faa.gov/browse/excelExternalWindow/61B9AA1F8A4F064A862585FB0034F216.0001): Stud, 5/16 IN DIA, Coarse Thread. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-11-P12 · Oct 6, 2020
- [SL31CD-12 P003](https://drs.faa.gov/browse/excelExternalWindow/610CC23D8A41275E862585FB0034F24A.0001): Stud, 5/16 IN DIA, Coarse Thread. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-12-P03 · Oct 6, 2020
- [SL31CD-18 P007](https://drs.faa.gov/browse/excelExternalWindow/5C12B8DDD82D9281862585FB0034F6BC.0001): Stud, 5/16 IN DIA, Coarse Thread. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-18-P07 · Oct 6, 2020
- [SL31CD-15 P007](https://drs.faa.gov/browse/excelExternalWindow/5A14FE3AEE830F88862585FB0034F4C3.0001): Stud, 5/16 IN DIA, Coarse Thread. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-15-P07 · Oct 6, 2020
- [SL31CD-15 P012](https://drs.faa.gov/browse/excelExternalWindow/4E3376F54122A5E7862585FB0034F4FB.0001): Stud, 5/16 IN DIA, Coarse Thread. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-15-P12 · Oct 6, 2020
- [SL31CD-12 P012](https://drs.faa.gov/browse/excelExternalWindow/4E2CCD6B7D09F406862585FB0034F2CD.0001): Stud, 5/16 IN DIA, Coarse Thread. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-12-P12 · Oct 6, 2020
- [SL31CD-19 P012](https://drs.faa.gov/browse/excelExternalWindow/4A7F1CEBDC2B2B15862585FB0034F797.0001): Stud, 5/16 IN DIA, Coarse Thread. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-19-P12 · Oct 6, 2020
- [SL31CD-18 P012](https://drs.faa.gov/browse/excelExternalWindow/479EDD643567685C862585FB0034F6F1.0001): Stud, 5/16 IN DIA, Coarse Thread. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-18-P12 · Oct 6, 2020
- [SL31CD-10 P012](https://drs.faa.gov/browse/excelExternalWindow/4743668405E3D15B862585FB0034F164.0001): Stud, 5/16 IN DIA, Coarse Thread. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-10-P12 · Oct 6, 2020
- [SL31CD-9 P007](https://drs.faa.gov/browse/excelExternalWindow/4488E7B00B7501F0862585FB0034F074.0001): Stud, 5/16 IN DIA, Coarse Thread. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-9-P07 · Oct 6, 2020
- [SL31CD-8 P012](https://drs.faa.gov/browse/excelExternalWindow/436383DD3B3D8363862585FB0034EFD6.0001): Stud, 5/16 IN DIA, Coarse Thread. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-8-P12 · Oct 6, 2020
- [SL31CD-13 P003](https://drs.faa.gov/browse/excelExternalWindow/3E1B69414595A42C862585FB0034F30D.0001): Stud, 5/16 IN DIA, Coarse Thread. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-13-P03 · Oct 6, 2020
- [SL31CD-13 P007](https://drs.faa.gov/browse/excelExternalWindow/32FD75DFFAD35481862585FB0034F351.0001): Stud, 5/16 IN DIA, Coarse Thread. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-13-P07 · Oct 6, 2020
- [SL31CD-15 P003](https://drs.faa.gov/browse/excelExternalWindow/1BF381BEEEB593B2862585FB0034F48E.0001): Stud, 5/16 IN DIA, Coarse Thread. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-15-P03 · Oct 6, 2020
- [SL31CD-8 P007](https://drs.faa.gov/browse/excelExternalWindow/1A508ECE8D5AB582862585FB0034EF89.0001): Stud, 5/16 IN DIA, Coarse Thread. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-8-P07 · Oct 6, 2020
- [SL31CD-16 P003](https://drs.faa.gov/browse/excelExternalWindow/18A0A55968579686862585FB0034F535.0001): Stud, 5/16 IN DIA, Coarse Thread. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-16-P03 · Oct 6, 2020
- [SL31CD-19 P003](https://drs.faa.gov/browse/excelExternalWindow/154F8554D4C3BC96862585FB0034F725.0001): Stud, 5/16 IN DIA, Coarse Thread. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-19-P03 · Oct 6, 2020
- [SL31CD-14 P012](https://drs.faa.gov/browse/excelExternalWindow/07DCD7FAD92CAC59862585FB0034F451.0001): Stud, 5/16 IN DIA, Coarse Thread. Superior Air Parts Inc · PMA PQ0060SW · Replaces 31CD-14-P12 · Oct 6, 2020

All of them: https://openairdocs.org/engine/lycoming-tigo-541-c1a/pma.md

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