NTSB investigations: Lycoming 0-360-A1D

8 cases on aircraft whose registry engine model is Lycoming 0-360-A1D, where the first occurrence was “In flight collision with terrain/water”. 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.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

19862026

NTSB investigations: Lycoming 0-360-A1D per year, 1986–2026: 8 cases
1986	1
1995	1
2000	1
2002	1
2003	2
2004	1
2006	1

Where

Open the map

Latest cases

Query with SQL

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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41504') AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 230)) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41504')
      AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 230))
  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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41504')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 230))
ORDER BY c."eventDate" DESC, c."ntsbNumber" 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.

NTSB DEN06LA113Accident · No injuriesLimited investigationFinal reportPiper PA-23-160 · Santa Fe, NMthe pilot's improper decision to continue the attempted takeoff when Vx airspeed was not obtained, and failure to abort the takeoff during ground roll which resulted in an impact on the remaining runway with the landing gear retracted. A contributing factor…Aug 12, 2006 · N245TB · Substantial damage NTSB SEA04CA149Accident · No injuriesData collectionFinal reportRobinson R-22 · Boise, IDThe pilot's failure to initiate a flare prior to contacting the ground while attempting to land the helicopter on a dark night. Factors include a distraction created by the flicker of a low rotor rpm light, the glare of nearby flood lights, and the lack of…Jul 29, 2004 · N8356R · Substantial damage NTSB SEA03FA096Accident · 1 fatalField investigationFinal reportAviat A-1A · Sandpoint, IDThe pilot's failure to maintain adequate airspeed during a low pass maneuver which resulted in a stall. A related factor was the trees.Jun 8, 2003 · N141F · Substantial damage NTSB CHI03LA133Accident · 1 fatalLimited investigationFinal reportAir & Space 18A · South Shore, SDThe pilot's failure to maintain clearance from the terrain. The pilot's lack of experience, the rain, the dark night, the low ceiling, and the rising terrain were contributing factors to the accident.May 19, 2003 · N6155S · Destroyed NTSB NYC02FA082Accident · 2 fatalField investigationFinal reportPiper PA-28-181 · Gardiner, NYThe pilot-in-command's failure to maintain sufficient altitude while maneuvering in a mountainous area, which resulted in a collision with terrain. Factors in the accident were, mountainous terrain, clouds, and the pilot's decision to continue the flight in…Apr 12, 2002 · N288CA · Substantial damage NTSB LAX00LA141Accident · 2 fatalLimited investigationFinal reportBirx Vans RV-6 · Taft, CAThe in-flight collision with the ground for undetermined reasons.Mar 27, 2000 · N986DB · Destroyed NTSB ANC95LA163Accident · Minor injuriesLimited investigationFinal reportPiper PA-18 · Palmer, AKFailure of the pilot to maintain adequate altitude/clearance from terrain, during a low pass over a prospective (off-airport) landing area. Factors relating to the accident were: rain and rising/uneven terrain.Sep 10, 1995 · N6996D · Substantial damage NTSB CHI86LA232Accident · Serious injuriesLimited investigationFinal reportMcculloch J-2 · Rush City, MNJust after lift off, while taking off with a tail wind, the plt diverted his attention to the instrument panel & did not realize the gyrocopter was going into an unusual attitude. He said that when he did notice what had happened, he 'just got ready for the…Sep 26, 1986 · N90563 · Destroyed