# Lycoming IO-390-A1B6

- Type: Engine model (FAA registry)
- Registry code: 42407
- Manufacturer (registry): LYCOMING
- Model: IO-390-A1B6
- Engine type: Reciprocating
- Power: 210 hp
- Data sheet: [TCDS E00006NY](https://openairdocs.org/tcds/E00006NY) (OpenAirDocs)
- Holder: Lycoming Engines
- Installed in: 47 registered aircraft
- Page: https://openairdocs.org/engine/lycoming-io-390-a1b6

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 2012-19-01](https://openairdocs.org/ad/2012-19-01): Crankshafts · Lycoming Engines AEIO-360-A1A, AEIO-360-A1B, AEIO-360-A1B6 and 321 more. Effective Oct 24, 2012
- [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

Historical (superseded or no longer in force):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 (47)

- [N13WL](https://openairdocs.org/aircraft/N13WL): [Bristol, SD](https://openairdocs.org/faa-place/SD/Bristol), built 2020, S/N 605-2020, Registration pending
- [N141BC](https://openairdocs.org/aircraft/N141BC): [Atkinson Air LLC](https://openairdocs.org/faa-owner/ATKINSON%20AIR%20LLC), [Dixon, CA](https://openairdocs.org/faa-place/CA/Dixon), built 2020, S/N 602-2020
- [N155BC](https://openairdocs.org/aircraft/N155BC): [Callander John K](https://openairdocs.org/faa-owner/CALLANDER%20JOHN%20K), [Oakland, CA](https://openairdocs.org/faa-place/CA/Oakland), built 2019, S/N 599-2019
- [N15MM](https://openairdocs.org/aircraft/N15MM): [Meyers David L](https://openairdocs.org/faa-owner/MEYERS%20DAVID%20L), [Palmer, AK](https://openairdocs.org/faa-place/AK/Palmer), built 2016, S/N 573-2015
- [N239LL](https://openairdocs.org/aircraft/N239LL): [Lloyd Land Plane V LLC](https://openairdocs.org/faa-owner/LLOYD%20LAND%20PLANE%20V%20LLC), [Brighton, CO](https://openairdocs.org/faa-place/CO/Brighton), built 2021, S/N 618-2021
- [N24SD](https://openairdocs.org/aircraft/N24SD): [Hall Mike](https://openairdocs.org/faa-owner/HALL%20MIKE), [Houston, TX](https://openairdocs.org/faa-place/TX/Houston), built 2022, S/N 624-2022
- [N299BC](https://openairdocs.org/aircraft/N299BC): [Clark John Thomas Jr](https://openairdocs.org/faa-owner/CLARK%20JOHN%20THOMAS%20JR), [North Salt Lake, UT](https://openairdocs.org/faa-place/UT/North%20Salt%20Lake), built 2018, S/N 591-2018
- [N308K](https://openairdocs.org/aircraft/N308K): [S J Fox Farm LLC](https://openairdocs.org/faa-owner/S%20J%20FOX%20FARM%20LLC), [Corning, AR](https://openairdocs.org/faa-place/AR/Corning), built 2012, S/N 552-2012
- [N311PM](https://openairdocs.org/aircraft/N311PM): [Gullwing Research LLC](https://openairdocs.org/faa-owner/GULLWING%20RESEARCH%20LLC), [Boise, ID](https://openairdocs.org/faa-place/ID/Boise), built 2018, S/N 592-2018
- [N394RL](https://openairdocs.org/aircraft/N394RL): [Lynn Robert C](https://openairdocs.org/faa-owner/LYNN%20ROBERT%20C), [Cheyenne, WY](https://openairdocs.org/faa-place/WY/Cheyenne), built 2017, S/N 588-2017
- [N395T](https://openairdocs.org/aircraft/N395T): [East Iowa Air Inc](https://openairdocs.org/faa-owner/EAST%20IOWA%20AIR%20INC), [Bennett, IA](https://openairdocs.org/faa-place/IA/Bennett), built 2023, S/N 633-2023
- [N399BZ](https://openairdocs.org/aircraft/N399BZ): [Berjon Adventures LLC](https://openairdocs.org/faa-owner/BERJON%20ADVENTURES%20LLC), [Evergreen, CO](https://openairdocs.org/faa-place/CO/Evergreen), built 2020, S/N 607-2020
- [N40SG](https://openairdocs.org/aircraft/N40SG): [Zeliff Aviation LLC](https://openairdocs.org/faa-owner/ZELIFF%20AVIATION%20LLC), [Batavia, NY](https://openairdocs.org/faa-place/NY/Batavia), S/N 550-2012
- [N468DR](https://openairdocs.org/aircraft/N468DR): [Brantley James](https://openairdocs.org/faa-owner/BRANTLEY%20JAMES), [Estero, FL](https://openairdocs.org/faa-place/FL/Estero), built 2016, S/N 579-2016
- [N474HB](https://openairdocs.org/aircraft/N474HB): [Greene William T](https://openairdocs.org/faa-owner/GREENE%20WILLIAM%20T), [Dresser, WI](https://openairdocs.org/faa-place/WI/Dresser), built 2017, S/N 590-2018
- [N4DG](https://openairdocs.org/aircraft/N4DG): [4dg LLC](https://openairdocs.org/faa-owner/4DG%20LLC), [Tacoma, WA](https://openairdocs.org/faa-place/WA/Tacoma), built 2021, S/N 611-2021
- [N518BC](https://openairdocs.org/aircraft/N518BC): [N815bc LLC](https://openairdocs.org/faa-owner/N815BC%20LLC), [Post Falls, ID](https://openairdocs.org/faa-place/ID/Post%20Falls), built 2023, S/N 632-2023
- [N559BC](https://openairdocs.org/aircraft/N559BC): [Twist Air Inc](https://openairdocs.org/faa-owner/TWIST%20AIR%20INC), [Overland Park, KS](https://openairdocs.org/faa-place/KS/Overland%20Park), built 2015, S/N 567-2015
- [N55VM](https://openairdocs.org/aircraft/N55VM): [Spurr Richard R](https://openairdocs.org/faa-owner/SPURR%20RICHARD%20R), [Bloomfield, NY](https://openairdocs.org/faa-place/NY/Bloomfield), built 2020, S/N 610-2021
- [N565T](https://openairdocs.org/aircraft/N565T): [Echo Baravo LLC](https://openairdocs.org/faa-owner/ECHO%20BARAVO%20LLC), [Geneva, IL](https://openairdocs.org/faa-place/IL/Geneva), built 2024, S/N 639-2024
- [N580K](https://openairdocs.org/aircraft/N580K): [G Force Air LLC](https://openairdocs.org/faa-owner/G%20FORCE%20AIR%20LLC), [Columbus, OH](https://openairdocs.org/faa-place/OH/Columbus), built 2012, S/N 549-2012
- [N587S](https://openairdocs.org/aircraft/N587S): [Mccomas William Joe](https://openairdocs.org/faa-owner/MCCOMAS%20WILLIAM%20JOE), [Humble, TX](https://openairdocs.org/faa-place/TX/Humble), built 2017, S/N 587-2017
- [N600BC](https://openairdocs.org/aircraft/N600BC): [Ritch Steve](https://openairdocs.org/faa-owner/RITCH%20STEVE), [Baker City, OR](https://openairdocs.org/faa-place/OR/Baker%20City), built 2014, S/N 563-2014
- [N615DD](https://openairdocs.org/aircraft/N615DD): [Shady Aviation LLC](https://openairdocs.org/faa-owner/SHADY%20AVIATION%20LLC), [Beebe, AR](https://openairdocs.org/faa-place/AR/Beebe), built 2021, S/N 615-2021
- [N625ML](https://openairdocs.org/aircraft/N625ML): [Gunsauls Michael A](https://openairdocs.org/faa-owner/GUNSAULS%20MICHAEL%20A), [Red Bluff, CA](https://openairdocs.org/faa-place/CA/Red%20Bluff), built 2018, S/N 594-2018
- [N625T](https://openairdocs.org/aircraft/N625T): [Oil Belt LLC](https://openairdocs.org/faa-owner/OIL%20BELT%20LLC), [Lewes, DE](https://openairdocs.org/faa-place/DE/Lewes), built 2020, S/N 608-2020
- [N636DB](https://openairdocs.org/aircraft/N636DB): [Vectored Solutions Inc](https://openairdocs.org/faa-owner/VECTORED%20SOLUTIONS%20INC), [Everett, WA](https://openairdocs.org/faa-place/WA/Everett), built 2023, S/N 636-2023
- [N64PZ](https://openairdocs.org/aircraft/N64PZ): [Mountain Aeroscout Adventures LLC](https://openairdocs.org/faa-owner/MOUNTAIN%20AEROSCOUT%20ADVENTURES%20LLC), [Park City, UT](https://openairdocs.org/faa-place/UT/Park%20City), built 2012, S/N 548-2012
- [N657MV](https://openairdocs.org/aircraft/N657MV): [Leyden Aviation LLC](https://openairdocs.org/faa-owner/LEYDEN%20AVIATION%20LLC), [Dover, DE](https://openairdocs.org/faa-place/DE/Dover), built 2021, S/N 616-2021
- [N660BC](https://openairdocs.org/aircraft/N660BC): [Holland Jack R](https://openairdocs.org/faa-owner/HOLLAND%20JACK%20R), [Mc Lean, IL](https://openairdocs.org/faa-place/IL/Mc%20Lean), built 2017, S/N 583-2017
- [N668BC](https://openairdocs.org/aircraft/N668BC): [Thompson Mark D](https://openairdocs.org/faa-owner/THOMPSON%20MARK%20D), [Edgewood, TX](https://openairdocs.org/faa-place/TX/Edgewood), built 2015, S/N 570-2015
- [N685T](https://openairdocs.org/aircraft/N685T): [Bowman And Dehn Enterprises Inc](https://openairdocs.org/faa-owner/BOWMAN%20AND%20DEHN%20ENTERPRISES%20INC), [Georgetown, DE](https://openairdocs.org/faa-place/DE/Georgetown), built 2022, S/N 622-2022
- [N69GC](https://openairdocs.org/aircraft/N69GC): [Ewald John](https://openairdocs.org/faa-owner/EWALD%20JOHN), [Seguin, TX](https://openairdocs.org/faa-place/TX/Seguin), built 2022, S/N 621-2022
- [N701EP](https://openairdocs.org/aircraft/N701EP): [Erpco LLC](https://openairdocs.org/faa-owner/ERPCO%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 2024, S/N 640-2024
- [N788AB](https://openairdocs.org/aircraft/N788AB): [Southwind Ventures Inc](https://openairdocs.org/faa-owner/SOUTHWIND%20VENTURES%20INC), [Madison, WI](https://openairdocs.org/faa-place/WI/Madison), built 2019, S/N 597-2019
- [N801AT](https://openairdocs.org/aircraft/N801AT): [Arctic Tern Aviation LLC](https://openairdocs.org/faa-owner/ARCTIC%20TERN%20AVIATION%20LLC), [Dallas, TX](https://openairdocs.org/faa-place/TX/Dallas), built 2006, S/N 2001
- [N805TT](https://openairdocs.org/aircraft/N805TT): [Tim Twisselman Enterprises Inc](https://openairdocs.org/faa-owner/TIM%20TWISSELMAN%20ENTERPRISES%20INC), [San Luis Obispo, CA](https://openairdocs.org/faa-place/CA/San%20Luis%20Obispo), built 2022, S/N 628-2023
- [N815BC](https://openairdocs.org/aircraft/N815BC): [N815bc LLC](https://openairdocs.org/faa-owner/N815BC%20LLC), [Post Falls, ID](https://openairdocs.org/faa-place/ID/Post%20Falls), built 2020, S/N 609-2020
- [N825RH](https://openairdocs.org/aircraft/N825RH): [Northcutt Randy](https://openairdocs.org/faa-owner/NORTHCUTT%20RANDY), [Alpine, WY](https://openairdocs.org/faa-place/WY/Alpine), built 2013, S/N 559-2013
- [N848AC](https://openairdocs.org/aircraft/N848AC): [Ogan Michael J](https://openairdocs.org/faa-owner/OGAN%20MICHAEL%20J), [Pierre, SD](https://openairdocs.org/faa-place/SD/Pierre), built 2024, S/N 643-2024
- [N870DH](https://openairdocs.org/aircraft/N870DH): [Johnson Hangar LLC](https://openairdocs.org/faa-owner/JOHNSON%20HANGAR%20LLC), [Ridgway, CO](https://openairdocs.org/faa-place/CO/Ridgway), built 2015, S/N 572-2015
- [N876SW](https://openairdocs.org/aircraft/N876SW): [Cbc Aviation LLC](https://openairdocs.org/faa-owner/CBC%20AVIATION%20LLC), [Hayden, ID](https://openairdocs.org/faa-place/ID/Hayden), built 2020, S/N 603-2020
- [N898T](https://openairdocs.org/aircraft/N898T): [Katz Air Holdings LLC](https://openairdocs.org/faa-owner/KATZ%20AIR%20HOLDINGS%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 2024, S/N 641-2024
- [N956DP](https://openairdocs.org/aircraft/N956DP): [Infinity Aviation LLC](https://openairdocs.org/faa-owner/INFINITY%20AVIATION%20LLC), [Comstock, WI](https://openairdocs.org/faa-place/WI/Comstock), built 2021, S/N 614-2021
- [N975BC](https://openairdocs.org/aircraft/N975BC): [Thompsen David](https://openairdocs.org/faa-owner/THOMPSEN%20DAVID), [Clifton, IL](https://openairdocs.org/faa-place/IL/Clifton), built 2017, S/N 584-2017
- [N985BC](https://openairdocs.org/aircraft/N985BC): [Northwest Back Country Aircraft LLC](https://openairdocs.org/faa-owner/NORTHWEST%20BACK%20COUNTRY%20AIRCRAFT%20LLC), [Caldwell, ID](https://openairdocs.org/faa-place/ID/Caldwell), built 2025, S/N 645-2025
- [N9NE](https://openairdocs.org/aircraft/N9NE): [Richard Daniel D Trustee](https://openairdocs.org/faa-owner/RICHARD%20DANIEL%20D%20TRUSTEE), [Tenants Harbor, ME](https://openairdocs.org/faa-place/ME/Tenants%20Harbor), built 2013, S/N 555-2013

## NTSB investigations (2)

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 WPR26LA114](https://openairdocs.org/ntsb/WPR26LA114), Mar 2, 2026: American Champion 8GCBC (N636DB), Carefree, AZ, substantial damage
- [NTSB WPR23LA030](https://openairdocs.org/ntsb/WPR23LA030), Nov 11, 2022: American Champion 8GCBC (N615DD), Payson, AZ, substantial damage. Probable cause: The pilot’s improper decision to takeoff from an unimproved airstrip with insufficient takeoff distance which, resulted in a runway overrun and collision with vegetation.

## FAA accident and incident reports (4)

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 20260301003989A](https://openairdocs.org/incident/20260301003989A), Mar 1, 2026: American Champion 8GCBC (N636DB), Carefree, AZ, Substantial damage. The pilot of an American Champion denali scout equipped with 29-inch tundra tires performed maintenance on the aircraft’s mixture control system. Following the…
- [Incident 20250118007789I](https://openairdocs.org/incident/20250118007789I), Jan 18, 2025: American Champion Aircraft 8GCBC (N69GC), Canyon Lake, TX, Minor damage. On January 18, 2025, the airman departed from his home base of new braunfels, TX national airport (kbaz) at approximately 1000 local time for a short part 91…
- [Incident 20230530006339I](https://openairdocs.org/incident/20230530006339I), May 30, 2023: American Champion Aircraft 8GCBC (N559BC), Monticello, IA, Minor damage. According to witness and pilot statements after takeoff from runway 13 at mxo approximately 500FT AGL One propeller blade departed the constant speed…
- [Accident 20221111019989A](https://openairdocs.org/incident/20221111019989A), Nov 11, 2022: American Champion Aircraft 8GCBC (N615DD), Payson, AZ, Substantial damage. Pilot landed aircraft on a bock country strip approximately 800 feet long once on the ground only 600 feet of useable takeoff space attempted to perform a…

## Service difficulty reports (3)

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

- [SDR 2025FA0000117](https://openairdocs.org/sdr/2025FA0000117), Feb 13, 2025: BRACKET. BROKEN. DEFECTIVE LOCK NUT ON SCREW THAT CONNECTS THE YOLK ASSEMBLY TO THE AILERON ACTUATION BRACKET, CAME APART AFFECTING THE PILOT SIDE AILERON CONTROL.
- [SDR 2023FA0000289](https://openairdocs.org/sdr/2023FA0000289), May 29, 2023: BLADE. BROKEN. PROPELLER BLADE SEPARATED FROM HUB ON TAKEOFF CAUSING ENGINE INBALANCE/FAILURE. PILOT MADE PRECAUTIONARY LANDING IN SOYBEAN FIELD ADJACENT TO RUNWAY. NO AIRFRAM
- [SDR 2016FA0000381](https://openairdocs.org/sdr/2016FA0000381), May 2, 2016: SPARK PLUG. BROKEN. SPARK PLUGS CHANGED AS REGULAR SERVICE INTERVAL. MAY 2016 PILOT REPORTED ROUGH ENGINE WITH LOSS OF POWER. FOUND LOWER POSITION PLUG IN NR 4 CYLINDER HAD MISSING

## STCs that may be installed (OpenAirDocs) (5)

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 SE00825WI](https://openairdocs.org/stc/SE00825WI): Installation of Specialty Products Spin-on oil filter on Lycoming Engines. B & C Specialty Products Inc
- [STC SE04349CH](https://openairdocs.org/stc/SE04349CH): Installation of SureFly electronic ignition. SureFly Partners Ltd
- [STC SE02352CH](https://openairdocs.org/stc/SE02352CH): Installation of Challenger cleanable oil filter assembly. Challenger Aviation Products Inc
- [STC SE03232CH](https://openairdocs.org/stc/SE03232CH): Installation of Engine Preheat Kit p/n TA2925-1 for 115 volt application. Hartzell Propeller Inc
- [STC SE04577CH](https://openairdocs.org/stc/SE04577CH): Install an electronic engine ignition system. Electroair Acquisition Corp

## PMA parts (OpenAirDocs) (593, 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.

- [CFSTD-160](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID170676910820240715164045.0001): Washer,  1/4 Lock, Internal Teeth. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces STD-160 · Jun 24, 2024
- [CFLW-25-0.50](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID156998595520240715164044.0001): Bolt,      1/4-20 X 0.50 HEX HD. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces LW-25-0.50 · Jun 24, 2024
- [CF75009](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID147128829420240715164042.0001): Bracket, Fuel Manifold. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces 75009 · Jun 24, 2024
- [CF07A23032](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID132855100420240715164043.0001): Bracket, Fuel Manifold. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces 07A23032 · Jun 24, 2024
- [CFSTD-251](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID129676558220240715164045.0001): Washer, #10 Lock, Internal Teeth. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces STD-251 · Jun 24, 2024
- [CFSTD-82](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID123933662120240715164045.0001): Screw,   #10-24 X 1/2, RD HD. PRECISION AIRMOTIVE LLC · PMA PQ0111NM · Replaces STD-82 · Jun 24, 2024
- [ES3018](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID194884707820251216184204.0001): Clamp, Bearing Cap. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3018 · May 20, 2024
- [AM-3021](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID194256093820251216184144.0001): Screw Distributor Block. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3021 · May 20, 2024
- [ES3221](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID189601053820251216184228.0001): Screw. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3221 · May 20, 2024
- [AK-3975](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID181109606820251216184201.0001): Coil, Ignition. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3009, M3114, M3525, K3975, K3975 · May 20, 2024
- [AM-3015](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180990573320251216184149.0001): Screw, Housing. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3015 · May 20, 2024
- [AM-3006](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID178460806720251216184151.0001): Bearing. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3006 · May 20, 2024
- [AM2536](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID175576430320251216184152.0001): Woodruff Key. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M2536 · May 20, 2024
- [ES3040](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID175045989620251216184205.0001): Coil Wedge. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3040 · May 20, 2024
- [ES917](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID170587168620251216184202.0001): Impulse Coupling Spring. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M917 · May 20, 2024
- [AK-3984](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID168254730520251216184200.0001): Capacitor. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3183, K3984 · May 20, 2024
- [AM-2556](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID164604517920251216184155.0001): Cotter Pin. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M2556 · May 20, 2024
- [ES3637K](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID163564757720251216184213.0001): Contact Point Secondary. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3637 · May 20, 2024
- [AM-3062](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID155261831320251216184153.0001): Oil Seal. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3062 · May 20, 2024
- [ES3084](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID152458666320251216184211.0001): Air Vent With Hood. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3084 · May 20, 2024
- [AM-3217](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID152412216720251216184157.0001): Wave Spring Washer. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M-3217 · May 20, 2024
- [AM-3485](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID151878274520251216184156.0001): Bearing Cap, Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3485 · May 20, 2024
- [AM-3215](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID151335825620251216184148.0001): Brush Assy, Distributor. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3215 · May 20, 2024
- [ES3548](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID150971763920251216184224.0001): Machining, Rotating Magnet. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3548 · May 20, 2024
- [AM-3020](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID134367835920251216184146.0001): Screw. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3020 · May 20, 2024
- [ES3822](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID133744562220251216184220.0001): Dist. Block & Gear Assy.. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces K3822 · May 20, 2024
- [ES1077](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID132381862220251216184212.0001): Air Vent. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M1077 · May 20, 2024
- [AM3611](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID125128266220251216184158.0001): Cam. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3611, M1522 · May 20, 2024
- [ES3827](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID113316784520251216184222.0001): Rotor Gear. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces K3827 · May 20, 2024
- [ES3826](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID112237278720251216184206.0001): Spacer. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3826 · May 20, 2024
- [ES3630](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID108310017320251216184222.0001): Bearing Cap, Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3630, K3630 · May 20, 2024
- [ES3172](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID103914286320251216184209.0001): Washer. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3172 · May 20, 2024
- [A-13081K](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID103306043420251216184147.0001): Contact Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3081 · May 20, 2024
- [ES3019](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID100047104220251216184208.0001): Nut. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M3019 · May 20, 2024
- [ES4370](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID196983494720240301172623.0001): Magneto. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 4370 · Dec 1, 2023
- [KA14012](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID193394967720240301172702.0001): Harness. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces M4012 · Dec 1, 2023
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID189210274620240301172642.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Dec 1, 2023
- [ES12681](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID143043735220240301172643.0001): Gasket. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces LW12681 · Dec 1, 2023
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID122172067820240301172627.0001): Hartzell Engine Technologies LLC · PMA PQ1383CE · Dec 1, 2023
- [ES4345](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID106747695420240301172623.0001): Magneto. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 4345 · Dec 1, 2023
- [TA2925-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID193237775520231109132301.0001): Engine Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Oct 30, 2023
- [TA2925-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID176004176820231109132302.0001): Engine Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Oct 30, 2023
- [KA14012](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID136055414920230821125952.0001): Harness. Kelly Aerospace Energy Systems LLC · PMA PQ4176CE · Replaces M4012 · May 5, 2023
- [ES12681](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID167811005920230502200155.0001): Gasket. Kelly Aerospace Energy Systems LLC · PMA PQ4176CE · Replaces LW12681 · Feb 9, 2023
- [ES1553](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID112971925920230330124434.0001): Screw, Harness Cap. Kelly Aerospace Energy Systems LLC · PMA PQ4176CE · Replaces M1553 · Oct 27, 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
- [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
- [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
- [PM2401](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID152894865720220916164412.0001): Starter Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 149-24HT,149-24HT/ec,149-24L5,149-24PM… · May 16, 2022
- [MC31C13P03](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID930813201320210723144523.0001): Stud. McFarlane Aviation Inc · PMA PQ3732CE · Replaces 31C13, 31C-13P03, 67528 · Jun 10, 2021

All of them: https://openairdocs.org/engine/lycoming-io-390-a1b6/pma.md

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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.
