- Manufacturer (registry)
- LYCOMING
- Model
- O-360-A2A
- Registry code
- 42261
- Installed in
- 38 registered aircraft
- Type
- Reciprocating
- Power
- 180 hp
- Data sheet
- TCDSE-286
- Holder
- Lycoming Engines
Model codes come from the FAA registry’s reference file.
On this page
Airworthiness directives that may apply · 28
ADs whose products match this engine model. Each AD’s applicability may narrow it by serial number, part number or configuration.
| 1963 | 1 |
|---|---|
| 1964 | 1 |
| 1966 | 1 |
| 1967 | 1 |
| 1969 | 2 |
| 1977 | 2 |
| 1980 | 1 |
| 1982 | 1 |
| 1989 | 2 |
| 1991 | 1 |
| 1992 | 1 |
| 1995 | 1 |
| 1996 | 2 |
| 1997 | 1 |
| 1998 | 1 |
| 2004 | 1 |
| 2006 | 3 |
| 2007 | 1 |
| 2008 | 1 |
| 2010 | 1 |
| 2012 | 2 |
| 2021 | 1 |
| 2024 | 1 |
| 2026 | 1 |
Engine · Lycoming O-360-A2A
AD 2026-04-11Engine (Reciprocating)AD 2020-25-12Reciprocating Engine Power SectionAD 2012-19-01CrankshaftsQuery with SQL
duckdb -csv -c "SELECT d.ad_number, d.status, d.subject, d.effective_date
FROM 'https://openairdocs.org/data/latest/faa_directive.parquet' d
WHERE d.ad_id IN (SELECT ad_id FROM 'https://openairdocs.org/data/latest/faa_engine_model_directive.parquet' WHERE engine_model_code IN ('42261'))
ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT d.ad_number, d.status, d.subject, d.effective_date
FROM 'https://openairdocs.org/data/latest/faa_directive.parquet' d
WHERE d.ad_id IN (SELECT ad_id FROM 'https://openairdocs.org/data/latest/faa_engine_model_directive.parquet' WHERE engine_model_code IN ('42261'))
ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
Information bulletins that may apply · 5
Engine · Lycoming O-360-A2A
SAIB NE-19-08Reciprocating Engine Cylinder Section - Lycoming Engines Parallel Valve CylindersSAIB NE-08-32R1Propeller Governor Idler Gear Shaft Set ScrewSAIB NE-14-13Reciprocating Engine - Cylinder Mounting StudsSAIB NE-13-06Pushrod Shroud Spring Retainers, Engine Components Part No. AEL14995, for Lycoming Engines 320, 360, and 540 Series EnginesSAIB NE-06-32R1Reciprocating Engine - CrankshaftHistorical bulletins · 1
Query with SQL
duckdb -csv -c "SELECT s.saib_number, any_value(s.title) AS title, max(s.issue_date) AS issue_date, any_value(s.status) AS status
FROM 'https://openairdocs.org/data/latest/faa_saib.parquet' s
WHERE s.saib_id IN (SELECT saib_id FROM 'https://openairdocs.org/data/latest/faa_engine_model_saib.parquet' WHERE engine_model_code IN ('42261'))
GROUP BY s.saib_number ORDER BY issue_date DESC"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT s.saib_number, any_value(s.title) AS title, max(s.issue_date) AS issue_date, any_value(s.status) AS status
FROM 'https://openairdocs.org/data/latest/faa_saib.parquet' s
WHERE s.saib_id IN (SELECT saib_id FROM 'https://openairdocs.org/data/latest/faa_engine_model_saib.parquet' WHERE engine_model_code IN ('42261'))
GROUP BY s.saib_number ORDER BY issue_date DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
Registered aircraft · 38
N1202YBergstedt Jon P · Anchorage, AKN12MBHarrison Hayden F · Mckean, PAN145MDBingham John R · Leawood, KS
See all 38 registered aircraftQuery with SQL
duckdb -csv -c "SELECT n_number, serial_number, year_manufactured, status, registrant_name, registrant_city, registrant_state
FROM 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet'
WHERE engine_model_code IN ('42261')
ORDER BY n_number"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT n_number, serial_number, year_manufactured, status, registrant_name, registrant_city, registrant_state
FROM 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet'
WHERE engine_model_code IN ('42261')
ORDER BY n_numberRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB investigations · 8
Aircraft matched to this engine model through the registry, by N-number and event date, checked against the reported serial number, make and model.
Of 6 cases NTSB coded with a defining event. All defining events
Findings NTSB made part of the probable cause. A case can have several. All findings
Of 1 case with NTSB’s older coding, defined in its coding manual.
NTSB ANC25LA120Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18-150 · St Mary's, AKThe pilot’s improper decision to takeoff with a tailwind, from a short off-airport strip, which degraded the climb performance of the airplane and led to impact with trees at the end of the strip.NTSB ANC24FA092Accident · 1 fatalClass 3 · FieldFinal reportJon Bergstedt JP Flyer · Wasilla, AKThe installation of an improperly sized fuel line that did not allow for adequate fuel flow to the engine, resulting in a partial loss of engine power and collision with trees.NTSB ANC22LA081Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-18-150 · Chignik Lake, AKThe pilot’s failure to maintain airplane control during taxi in gusty conditions, which resulted in a nose-over and substantial damage to the rudder and wings.NTSB GAA17CA569Accident · No injuriesData collectionFinal reportPiper PA 18 · Beluga, AKThe pilot’s inability to maintain pitch control due to an encounter with a tailwind gust after the airplane had stopped, which resulted in a nose-over.NTSB WPR10CA404Accident · Minor injuriesData collectionFinal reportCarr Bryan Vans RV-6A · Grass Valley, CAThe pilot’s failure to attain a proper touchdown point that resulted in an overrun of the runway and nose over.NTSB ANC10CA008Accident · No injuriesData collectionFinal reportPiper PA-18-150 · Anchorage, AKThe pilot's decision to land and attempt to takeoff from an unsuitable off-airport site.NTSB DFW05LA151Accident · Minor injuriesLimited investigationFinal reportBeaton RV-6A · Boerne, TXThe hard landing as a result of the pilot’s improper flare and his failure to recover from a bounced landing. A contributing factor was the pilot's diverted attention.NTSB ANC69D0066Accident · No injuriesClosedPiper PA-18 · Whittier, AK
Query with SQL
duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c.\"mKey\" = a.case_mkey
WHERE a.engine_model_code IN ('42261')
ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = a.case_mkey
WHERE a.engine_model_code IN ('42261')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
FAA incident reports · 7
Matched to this engine model through the registry, by N-number and event date, checked against the reported make and model.
Accident 20250914017739APiper PA-18-150 · St. Mary'S, AKThe pilot flew to the location approximately 1/2 mile from the hunting camp to harvest moose meat. He loaded 1 hind quarter and 1 front should into the aircraft. Winds were reported to be light and variable at approximately 5 mph from 340 degrees. He…Accident 20240914013009AJon Bergstedt JP Flyer · Wasilla, AKDuring our investigation we found the following. Aircraft conformity evaluation was performed and signed off on 13 September 2024. Aircraft records review and aircraft inspection was accomplished on 13 September 2024. Airworthiness certificate was issued on…Accident 20220916021459APiper PA-18-150 · Chignik, AKAircraft departed kcl on 9/16/2022 enroute to a location near Chignik, AK (off airport) arriving at approximately 1100 AKDT. Pilot reports an uneventful landing into to the wind on a slight incline. Ground conditions were hummock/moss. While taxing /turning…Accident 20170925020909APiper PA-18-150 · Beluga, AKGusty winds blew tail up after stopping on the runway, aircraft flipped onto it's back.Accident 20100814042339ACarr Bryan Vans RV-6A · Grass Valley, CAWind at the time was 280@5 to 15 kt. Pilot stated he approached runway 25 and crossed the threshold at 75 KIAS which resulted in a touchdown at approximately the 2000 foot point on a 4200 foot long runway. At this point the runway begins to slope down. The…Accident 20091114051429APiper PA-18-150 · Anchorage, AKOn nov. 14, 2009, airman landed on the north side of Mt. Susitna. The aircraft was equipped with tundra tires. The pilot performed a couple of low passes over the intended landing area then performed a landing without incident. The pilot then attempted a…Accident 20050605015979AAmtr VANSRV6A · San Antonio, TX(-23) Pilot was distracted while trying to operate flaps. As he turned final, he was 15 mph faster than normal. He was high and fast because of excess airspeed. He landed hard, bounced, and lost directional control and veered left of the runway. He broke the…
Query with SQL
duckdb -csv -c "SELECT report_number, event_date, event_type, city, state, aircraft_make, aircraft_model, aircraft_damage, fatal_injuries, n_number
FROM 'https://openairdocs.org/data/latest/faa_incident_report.parquet'
WHERE engine_model_code IN ('42261')
ORDER BY event_date DESC, report_number DESC"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT report_number, event_date, event_type, city, state, aircraft_make, aircraft_model, aircraft_damage, fatal_injuries, n_number
FROM 'https://openairdocs.org/data/latest/faa_incident_report.parquet'
WHERE engine_model_code IN ('42261')
ORDER BY event_date DESC, report_number DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
Service difficulty reports · 3
SDR 2026F00198Cylinder · damagedORIGINAL INSTALL DATE 8-28-2023. NEW CYLINDERS REMOVED AT 434HRS BY MECHANIC DUE TO RING FLUTTER, RING CHATTER, WASHBOARDING. INCONSISTENT METAL WEAR PATTERN ON THE NITRIDE BORE. DISCOVERED BY BORESCOPE AT 100HR INSPECTION. MANUFACTURER REPLACED CYLINDERS WITHSDR AU010079Hub · damaged(AUS) PROPELLER HUB FAILED DUE TO CRACK ORIGINATING IN THE ROOT OF THEBLADE RETAINING THREAD. PROPELLER BLADE SEPARATED FROM HUB.SDR CA981216004Spar · cracked(CAN) SPAR INSPECTION AS DETAILED IN SL 406A FOUND WITH A 2 INCH CRACK. WOOD SPAR HAD BEEN INVOLVED IN A FLIP OVER PREVIOUSLY.
Query with SQL
duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE engine_model_key = 'O360A2A' ORDER BY difficulty_date DESC"
Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE engine_model_key = 'O360A2A' ORDER BY difficulty_date DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
STCs that may be installed · 37
Approved for this engine model: the STC’s model list names it on its data sheet, or a series that includes it. The registry doesn’t record which STCs an aircraft has.
STC SE04651CHTo allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22STC SE00825WIInstallation of Specialty Products Spin-on oil filter on Lycoming Engines.STC SE208SOInstallation of ice indicator in the carburetor.
See all 37 STCsQuery with SQL
duckdb -csv -c "SELECT s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model
FROM (
SELECT stc_number, min(matched_model) AS matched_model
FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet'
WHERE engine_model_code IN ('42261')
GROUP BY stc_number
) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number)
ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_number"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model
FROM (
SELECT stc_number, min(matched_model) AS matched_model
FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet'
WHERE engine_model_code IN ('42261')
GROUP BY stc_number
) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number)
ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_numberRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.