NTSB investigations: Lycoming AEIO-360 series, CA
35 cases on aircraft whose registry engine model is Lycoming AEIO-360 series. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.
Cases per year
| 1974 | 1 |
|---|---|
| 1976 | 1 |
| 1977 | 1 |
| 1978 | 3 |
| 1979 | 2 |
| 1981 | 1 |
| 1985 | 1 |
| 1986 | 1 |
| 1989 | 2 |
| 1991 | 1 |
| 1992 | 1 |
| 1995 | 3 |
| 1997 | 2 |
| 1998 | 1 |
| 2000 | 1 |
| 2001 | 1 |
| 2003 | 1 |
| 2005 | 3 |
| 2007 | 1 |
| 2016 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2022 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Where
Open the mapLatest cases
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_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c.\"mKey\" AND a.position = 1
WHERE c.\"eventStateOrRegion\" = 'CA' AND c.\"eventCountry\" = 'USA'
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41522', '41601'))
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_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."eventStateOrRegion" = 'CA' AND c."eventCountry" = 'USA'
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41522', '41601'))
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.
NTSB WPR26LA322Accident · Serious injuriesClass 4 · LimitedInvestigation openKrugh Patrick M Steen Skybolt · Big Bear, CANTSB WPR25LA272Accident · Minor injuriesClass 3 · LimitedPreliminary reportAmerican Champion 8KCAB · Jamesburg, CAOn August 31, 2025, about 1100 Pacific daylight time, an American Champion 8KCAB Super Decathlon 177, N3357T, sustained substantial damage when it was involved in an accident near Jamesburg, California. The pilot and pilot rated passenger sustained minor…NTSB WPR22FA195Accident · 1 fatalClass 3 · FieldFinal reportMeyer Fred J Hornet · Lucerne Valley, CAThe pilot’s failure to maintain altitude during an aerobatic maneuver, which resulted in an impact with terrain.NTSB WPR20LA320Accident · Serious injuriesClass 3 · LimitedFinal reportGreat Lakes 2T1A · San Diego, CAA loss of engine power for reasons that could not be determined, which resulted in a hard landing off airport.NTSB WPR19TA068Accident · Minor injuriesClass 3Final reportPitts S1 · Torrance, CAThe biplane pilot’s inadequate visual lookout while taxing, which resulted in a ground collision.NTSB GAA18CA319Accident · Minor injuriesData collectionFinal reportCessna 172 · San Diego, CAThe biplane pilot’s failure to see and avoid the stopped airplane.NTSB WPR16FA065Accident · 3 fatalField investigationFinal reportBeech M35 · San Pedro, CAThe failure of the pilots of both airplanes to see and avoid each other as they converged nearly head-on, which resulted in a midair collision. Contributing to the accident was sun glare on the pilot.NTSB SEA07LA053Accident · Minor injuriesLimited investigationFinal reportRoss Hummer Pitts Special · Stockton, CAThe pilot's inadvertent ground loop/swerve, resulting in a nose over during an aborted takeoff. A contributing factor was the uneven runway surface, which restricted the pilot's ability to maintain directional control.NTSB LAX06CA035Accident · No injuriesData collectionFinal reportVans RV-4 · Apple Valley, CAa partial loss of engine power for undetermined reasons.NTSB LAX06FA005Accident · 2 fatalField investigationFinal reportAmerican Champion 8KCAB · Oroville, CAThe certified flight instructor and the private pilot's failure to maintain adequate airspeed while attempting a return to runway maneuver, which resulted in an inadvertent stall.NTSB LAX05CA200Accident · Minor injuriesData collectionFinal reportAviat Pitts S-1T · Fillmore, CAthe pilot's failure to affect timely recovery from an intentional inverted flat spin.NTSB LAX03CA246Accident · No injuriesData collectionFinal reportMaysmike Pitts S1S · Livermore, CAThe pilot's inadequate compensation for crosswind conditions, which resulted in a loss of directional control and a ground loop.NTSB LAX02LA037Accident · Serious injuriesLimited investigationFinal reportBellanca 8KCAB · Long Beach, CAthe loss of aircraft control while maneuvering for undetermined reasons.NTSB LAX00LA315Accident · No injuriesLimited investigationFinal reportPitts S1S · Westminister, CAThe pilot of the Pitts misjudged the clearance while maneuvering under the Cessna.NTSB LAX98LA078Accident · No injuriesLimited investigationFinal reportBellanca 8KCAB · Van Nuys, CAThe student pilot's inadequate compensation for the existing crosswind condition and failure to maintain directional control. A related factor was the crosswind.NTSB LAX98LA058Accident · No injuriesLimited investigationFinal reportBellanca 8KCAB · Truckee, CAinternal mechanical failure of the engine due to a progressive failure of the No. 3 connecting rod assembly. A contributing factor was the snow pack which covered the only accessible emergency landing area.NTSB LAX97LA117Accident · No injuriesLimited investigationFinal reportBellanca 8KCAB · Alpine, CAA loss of engine power due to fuel starvation caused by an obstruction in the fuel vapor return system. An additional causal finding is the failure of maintenance personnel to properly troubleshoot a discrepancy with the fuel system.NTSB LAX96FA075Accident · Serious injuriesField investigationFinal reportGreat Lakes 2T-1A-2 · Fillmore, CAfailure of the pilot to take proper remedial action to recover from an intentional spin.NTSB LAX95LA202Accident · Minor injuriesLimited investigationFinal reportBellanca 8KCAB · Mission Viejo, CAthe loss of engine power due to the failure of company maintenance personnel to correctly connect the throttle arm and throttle linkage during engine installation.NTSB LAX95LA152Accident · No injuriesLimited investigationFinal reportAmerican Champion 8KCAB · Long Beach, CAthe failure and collapse of the left main landing gear due to a defective and improper weld by the manufacturer.NTSB LAX92LA118Accident · Minor injuriesLimited investigationFinal reportAvions Mudry CAP-10B · Santa Paula, CAThe failure of the airplanes's left wing spar due to stress overloading caused by pre-existing compression failures in the laminate.NTSB LAX91FA098Accident · 2 fatalField investigationFinal reportBell 206B · Santa Paula, CAInadequate visual lookout by the Bell 206B pilot, which resulted in his failure to see-and-avoid the pitts S-2A. A factor related to the accident was: the S-2A pilot's restricted visibility from the tailwheel equipped airplane, once it was in position on the…NTSB LAX89LA284Accident · No injuriesLimited investigationFinal reportBellanca 8KCAB · Santa Paula, CAFailure of the instructor pilot to adequately supervise the conduct of the flight and to take timely and effective corrective action to the student's improper control inputs.NTSB LAX89LA174Accident · No injuriesLimited investigationFinal reportGreat Lakes 2T-1A-2 · Ramona, CAThe pilot of the other aircraft did not maintain an adequate visual lookout and collided with this Cessna that was parked in the runup area.NTSB LAX86LA340Accident · Serious injuriesLimited investigationFinal reportGreat Lakes 2T-1A-2 · Santa Paula, CAThe biplane crashed in mountainous terrain after a loss of power. The acft had been doing aerobatic maneuvers prior to the engine failure. The plt indicated that the engine quit at 7,500 ft MSL while in a descent. She relinquished the flt controls to the…NTSB LAX85LA295Accident · No injuriesLimited investigationFinal reportGreat Lakes 2T-1A-2 · Angwin, CADuring a VFR cross country flt, wx conditions along the route induced the plt to divert to the Angwin arpt. After an overflt to obtain wind information from the wind sock, the plt said he entered the pattern and completed a normal approach and touchdown.…NTSB LAX81FUA07Accident · Minor injuriesClosedBellanca 8KCAB · San Pedro, CANTSB LAX80FUG03Accident · Minor injuriesClosedGreat Lakes 2T-1A · Elsinore, CANTSB OAK79DVD23Accident · No injuriesClosedGreat Lakes 2T-1A · Willits, CANTSB LAX78DUQ30Accident · No injuriesClosedGreat Lakes 2T1A-2 · Simi Valley, CANTSB LAX78DVM14Accident · No injuriesClosedGR Lakes 2T-1A · Santa Maria, CANTSB LAX78FUQ11Accident · No injuriesClosedBeech B19 · Van Nuys, CANTSB OAK78DVD02Accident · No injuriesClosedGreat Lakes 2THA2 · Oakland, CANTSB OAK76DVG99Accident · No injuriesClosedGreat Lakes Baby · Chico, CANTSB OAK74FVA56Accident · No injuriesClosedCallair A-6 · Kerman, CA