# Lycoming VO-540-B1B3

- Type: Engine model (FAA registry)
- Registry code: 42232
- Manufacturer (registry): LYCOMING
- Model: VO-540-B1B3
- Engine type: Reciprocating
- Power: 305 hp
- Data sheet: [TCDS E-304](https://openairdocs.org/tcds/E-304) (OpenAirDocs)
- Holder: Lycoming Engines
- Installed in: 3 registered aircraft
- Page: https://openairdocs.org/engine/lycoming-vo-540-b1b3

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 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 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 89-04-02](https://openairdocs.org/ad/89-04-02): Carburetors · Continental Motors O-470-11, O-470-11-CI, O-470-11B and 175 more. Effective Mar 8, 1989
- [AD 80-04-04 R1](https://openairdocs.org/ad/80-04-04-R1): Crankshaft Flange Bolts · Lycoming Engines IVO-540-A1A, TIVO-540-A2A, TVO-435-A1A and 38 more. Effective Aug 18, 1980
- [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 73-05-01](https://openairdocs.org/ad/73-05-01): Connecting Rod Bearing Assemblies · Lycoming Engines IVO-540-A1A, TIVO-540-A2A, TVO-540-A1A and 21 more. Effective Jul 9, 1974
- [AD 69-24-03](https://openairdocs.org/ad/69-24-03): Carburetors · Continental Motors A-65-1, A-65-12, A-65-12F and 321 more. Effective Nov 29, 1969
- [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 68-08-08](https://openairdocs.org/ad/68-08-08): Hydraulic Valve · Lycoming Engines IGSO-480-A1A6, IGSO-480-A1B6, IGSO-480-A1C6 and 44 more. Effective May 19, 1968
- [AD 62-03-02](https://openairdocs.org/ad/62-03-02): Hydraulic Valve Tappet Body and Plunger Assembly · Lycoming Engines VO-540-A1A, VO-540-B1A, VO-540-B1B and 6 more. Effective Feb 27, 1962

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

## 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 (3)

- [N474RP](https://openairdocs.org/aircraft/N474RP): [Echo Matrix LLC](https://openairdocs.org/faa-owner/ECHO%20MATRIX%20LLC), [Bentonville, AR](https://openairdocs.org/faa-place/AR/Bentonville), built 1965, S/N 3344
- [N5220U](https://openairdocs.org/aircraft/N5220U): [Ritel Copter Service Inc](https://openairdocs.org/faa-owner/RITEL%20COPTER%20SERVICE%20INC), [Hudson, IA](https://openairdocs.org/faa-place/IA/Hudson), built 1964, S/N 3150
- [N77DP](https://openairdocs.org/aircraft/N77DP): [Dt Pralle Enterprises Inc](https://openairdocs.org/faa-owner/DT%20PRALLE%20ENTERPRISES%20INC), [Hampton, IA](https://openairdocs.org/faa-place/IA/Hampton), built 1965, S/N 3343

## NTSB investigations (1)

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 CEN13LA436](https://openairdocs.org/ntsb/CEN13LA436), Jul 24, 2013: Texas Helicopter OH-13E/M74 (N176MR), Champaign, IL, substantial damage. Probable cause: The pilot’s failure to maintain control of the helicopter during an aerial application maneuver.

## 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.

- [Accident 20130724013739A](https://openairdocs.org/incident/20130724013739A), Jul 24, 2013: Texas Helicopter Corp OH-13E/M74 (N176MR), Champaign, IL, Substantial damage. The pilot, while conducting aerial applications, heard a "loud pop" and noted that the main rotor RPM was beginning to decay. He then attempted to autorotate…

## Service difficulty reports (10)

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

- [SDR 2008FA0000776](https://openairdocs.org/sdr/2008FA0000776), Oct 24, 2008: GUIDE. WORN. DURING INVESTIGATION OF AN ACCIDENT IN WHICH ACFT LOST POWER AND WAS FORCED TO LAND THE FOLLOWING WAS DISCOVERED: COMPRESSION CHECK REVEALED THE NR 1 CYL WAS LE
- [SDR CA080407007](https://openairdocs.org/sdr/CA080407007), Apr 5, 2008: GEAR SET. SHEARED. APPROX 100 HRS AGO TRANSMISSION WAS O/H AND NEW PMA GEAR SET WAS INSTALLED S/N GR586A FROM HELICOPTER TECH DURING FLIGHT PILOT HEARD AND FELT NOISE AND MADE A P
- [SDR 2006FA0000759](https://openairdocs.org/sdr/2006FA0000759), Aug 2, 2006: CAPACITOR. FAILED. LOADED HELICOPTER SAFELY LANDED AFTER MAGNETO FAILURE. WIRE FROM CAPACITOR TO POINTS OPEN WITHIN INSULATION. NO VISIBLE DAMAGE, HOWEVER, MOVEMENT OF WIRE AGAINS
- [SDR CA060417001](https://openairdocs.org/sdr/CA060417001), Apr 14, 2006: ENGINE. SHUTDOWN. HELICOPTER WAS FLYING ALONG AND ENGINE QUIT, SUCCESSFUL AUTOROTATION WAS ACCOMPLISHED. UPON INVESTIGATION OF ENGINE, IT WAS FOUND THAT NONE OF THE VALVES WERE O
- [SDR CA050303015](https://openairdocs.org/sdr/CA050303015), Mar 3, 2005: GRIP. CRACKED. (CAN) MAIN ROTOR GRIP WAS REMOVED TO COMPLY WITH AD 2001-17-17 AND WAS REJECTED DUE TO CRACKING INDICATIONS IN THE THREADS OF THE ADAPTER NUT AREA.
- [SDR CA050303014](https://openairdocs.org/sdr/CA050303014), Mar 3, 2005: GRIP. CRACKED. (CAN) ROTOR GRIP WAS SUBMITTED FOR NDT TESTING IAW AD 2001-17-17 AND WAS REJECTED DUE TO CRACKING IN THE ADAPTER NUT THREAD AREA. GRIP WAS NEW AND HAD ONLY ACCU
- [SDR CA010511027](https://openairdocs.org/sdr/CA010511027), Jan 15, 2001: HUB. CRACKED. (CAN) FOUND CRACKED IN THREADED AREA AFTER EDDY CURRENT INSPECTION WHILE CARRYING OUT AD, CF-1988-08R1.
- [SDR CA001107014](https://openairdocs.org/sdr/CA001107014), Apr 30, 1999: CYLINDER. FAILED. (CAN) CYLINDER HAD LOW COMPRESSION. (X)
- [SDR CA001107013](https://openairdocs.org/sdr/CA001107013), Apr 30, 1998: MAGNETO. FAILED. (CAN) MAGNETO HAS EXCESSIVE MAG DROP.
- [SDR AU960086](https://openairdocs.org/sdr/AU960086), Jan 12, 1996: SPLIT PIN. MISSING. (AUS) MAGNETO IDLER GEAR RETAINING NUT PN STD 43 SEPARATED FROM BOLT PN STD 1860 - NUT AND WASHER PNO 68545 FOUND IN ACCESSORY HOUSING - SUSPECT CAUSED BY LACK 

## STCs that may be installed (OpenAirDocs) (21)

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 SE2932SW](https://openairdocs.org/stc/SE2932SW): Install carburetor air temperature indicator. Approved for Aircooled Motors (Franklin Engine Co.) equipped with float carburetors. Model eligibility included here may not be inclusive. Alcor LLC. Lists VO-540 Series
- [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 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 VO-540 Series
- [STC SE8776SW](https://openairdocs.org/stc/SE8776SW): Installation of coated cylinders and piston rings. Continental Motors, Inc. Lists VO-540 Series
- [STC SE2902NM](https://openairdocs.org/stc/SE2902NM): Lycoming valve cover gasket. Real Gaskets Tennessee
- [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 VO-540 Series
- [STC SE1-201](https://openairdocs.org/stc/SE1-201): Installation of the Richter Aero Equipment Type B-4 or B-5 Temperature Probe. (O-360 SERIES (excl. A1C, C2B, C2D)). MidContinent Instru Co 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 VO-540 Series
- [STC SE00350SE](https://openairdocs.org/stc/SE00350SE): Installation of sump mounted chip detector. Aviation Development Corporation
- [STC SE8023SW](https://openairdocs.org/stc/SE8023SW): Installation and usage of AEROSHELL. Shell Development Co. Lists VO-540 Series
- [STC SE452NE](https://openairdocs.org/stc/SE452NE): Installation and usage of 'Mobil AV 1' aviation oil. Mobil Research & Development Corp. Lists VO-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 VO-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 VO-540 Series
- [STC SE80NE](https://openairdocs.org/stc/SE80NE): Installation and usage of Bel-Ray synthetic aviation oil, Bel-Ray Aero 1, (nonsupercharged), horizontally opposed direct drive, aircraft engines of 350 hp. or less. Bel-Ray Company, Inc. Lists VO-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 VO-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 VO-540 Series

## PMA parts (OpenAirDocs) (over 1,000, 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.

- [72-231114-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID157761992320260722204351.0001): TAG-Engine. Swift Fuels, LLC · PMA PQ04423CE · Modification part · Jul 17, 2026
- [AB-160844](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID100141747720251216184413.0001): Spring & Brush Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-160844 · Nov 10, 2025
- [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
- [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-357586](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID182632077520251216184446.0001): Gear. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 10-357586 · Dec 8, 2023
- [ES10-35937-8](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID181846469020251216184431.0001): Screw. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental10-35937-8 · Dec 8, 2023
- [AB-606505](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID175976763420251216184439.0001): Washer. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 10-606505 · Dec 8, 2023
- [AB-92815-37](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID165115893520251216184504.0001): Retaining Ring. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental10-92815-37 · Dec 8, 2023
- [AB-391213](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID146344589820251216184434.0001): Screw. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 10-391213 · Dec 8, 2023
- [AB-90788-5](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID138975580920251216184500.0001): Woodruff Key. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental10-90788-5 · Dec 8, 2023
- [AB-163374](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID138652177520251216184458.0001): Felt Strip. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 10-163374 · Dec 8, 2023
- [AB-357426](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID138013653720251216184448.0001): Distributor Block. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental 10-357426 · Dec 8, 2023
- [AB-86527](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID136544385220251216184459.0001): Lubricant. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental10-86527 · Dec 8, 2023
- [AB-50752](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID125758886020251216184457.0001): Felt Washer. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental10-50752 · Dec 8, 2023
- [AB-391309](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID120647802220251216184443.0001): Washer. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Continental10-391309 · Dec 8, 2023
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID189689408720240301172612.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Dec 1, 2023
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180471105320240301172647.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Dec 1, 2023
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID170183424420240301172611.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Dec 1, 2023
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID169748273120240301172659.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Dec 1, 2023
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID157341881820240301172614.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Dec 1, 2023
- [ES10-400551-6](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID142393419020240301172652.0001): Housing, Distributor. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 10-400551-6 · Dec 1, 2023
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID137841244720240301172609.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Dec 1, 2023
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID128838889420240301172611.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Dec 1, 2023
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID123611089620240301172613.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Dec 1, 2023
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID194863206620240301172624.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Nov 9, 2023
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID194140969320240301172653.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Nov 9, 2023
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID193776025320240301172642.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Nov 9, 2023
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID188639595920240301172657.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Nov 9, 2023
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID179353732120240301172647.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Nov 9, 2023
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID173126953820240301172631.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Nov 9, 2023
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID172899226320240301172653.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Nov 9, 2023
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID158146487720240301172627.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Nov 9, 2023
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID146748865320240301172646.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Nov 9, 2023
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID137119462920240301172652.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Nov 9, 2023
- [ES10-400549-4](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID171063566420230929175040.0001): 200 Series Frame, Lyc Flange. Kelly Aerospace Energy Systems LLC · PMA PQ4176CE · Replaces 10-400549-4 · Jul 17, 2023
- [ES10-400551-6](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID166915619920231025135058.0001): Housing, Distributor. Kelly Aerospace Energy Systems LLC · PMA PQ4176CE · Replaces 10-400551-6 · Apr 1, 2023
- [ES10-400551-7](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID106248181220231025135105.0001): Housing, Distributor. Kelly Aerospace Energy Systems LLC · PMA PQ4176CE · Replaces 10-400551-7 · Apr 1, 2023
- [ES10-25788ES10-25788ES10-25788](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID142288884620230703154009.0001): Bearing, SleeveBearing, SleeveBearing, Sleeve. Kelly Aerospace Energy Systems LLC · PMA PQ4176CE · Replaces 10-357078, 10-25788, 73610-357078… · Mar 20, 2023
- [ES-4019LS](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID185701279720220916174121.0001): Alternator Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Lycoming 32C21420 · Aug 3, 2022
- [PM2403](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID197160420320220916164414.0001): Starter Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 122-24HT,122-HT/ec,122-24LS,122-24PM,12… · May 16, 2022
- [ERZ‐8012](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID185883705920220916164346.0001): Starter Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Kelly… · May 16, 2022
- [ERB‐8012](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID181134014020220916164342.0001): Starter Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Kelly Aerospace MHB-4015, MMU-4001… · May 16, 2022
- [PM1203](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180763837820220916164409.0001): Starter Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 122-l2HT,122-12LS,122-t2PM,122-NL,31A22… · May 16, 2022
- [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
- [PM1201](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID178083546420220916164407.0001): Starter Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 149-12HT149-12LS,149-12PM,149-NL,31A221… · May 16, 2022
- [MHB-4018](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID156326444820220916164354.0001): Starter Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Lycoming LW-15577 · May 16, 2022
- [MHB-4016](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID154657633320220916164352.0001): Starter Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces Lycoming LW-15572 · May 16, 2022

All of them: https://openairdocs.org/engine/lycoming-vo-540-b1b3/pma.md

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