Final NTSB investigations: Lycoming ALF-502 SER. series

8 cases on aircraft whose registry engine model is Lycoming ALF-502 SER. 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

19902026
Final NTSB investigations: Lycoming ALF-502 SER. series per year, 1990–2026: 8 cases
19901
19931
19941
19951
19961
19992
20241

Latest 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.\"completionStatus\" = 'Completed'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41580'))
  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.

NTSB ENG24LA012IncidentClass 3 · LimitedFinal reportBritish Aerospace BAE 146 Series 200A · Missoula, MTThe use of a new long term fire retardant with a chemical composition incompatible with the retardant previously in use for the integration-operational field evaluation without adequate testing and qualification.Mar 1, 2024 · N474NA · 2 aircraft · Minor damageNTSB CHI00IA037Incident · Minor injuriesIncident investigationFinal reportBritish Aerospace BAE 146-200A · Chicago, ILAn undetermined failure in the hydraulic system, which resulted in the airplane's entire braking system becoming temporarily inoperative. A factor associated with the incident was the airport terminal building that was contacted by the airplane.Dec 1, 1999 · N606AW · Minor damageNTSB MIA99FA226Accident · No injuriesField investigationFinal reportCanadair CL-600 · Fort Lauderdale, FLThe failure of the flight crew to main directional control of the airplane after landing, resulting in the airplane going off the side of the runway and colliding with a taxiway sign, collapsing the nose landing gear, and causing substantial damage to the…Aug 17, 1999 · N63HJ · Substantial damageNTSB FTW97LA070Accident · Serious injuriesLimited investigationFinal reportBritish Aerospace BAE 146-200A · Denver, COan inflight encounter with unreported and unanticipated clear air turbulence during landing descent.Dec 21, 1996 · N606AW · No damageNTSB CHI95IA079Incident · No injuriesIncident investigationFinal reportBritish Aerospace BAE-146-300 · Madison, WIA fuel leak in the no. 2 engine left fuel manifold segment due to a design defect which led to a fatigue crack.Jan 27, 1995 · N611AW · No damageNTSB CHI94IA134Incident · No injuriesIncident investigationFinal reportBritish Aerospace BAE-146-200 · Chicago, ILa loose fuel nozzle.Apr 17, 1994 · N609AW · No damageNTSB CHI93IA312Incident · No injuriesIncident investigationFinal reportBritish Aerospace 146-300A · Chicago, ILwas a crack in the fuel system fuel flow distribution manifold which resulted from an inadequate design by the manufacturer.Jul 21, 1993 · N611AW · Minor damageNTSB DEN91IA026Incident · No injuriesIncident investigationFinal reportBritish Aerospace BAE 146-200 · Denver, COThe catastrophic failure of the no.12 blade on the 4th stage turbine wheel, and failure of company maintenance personnel to identify the preexisting crack during maintenance inspection.Dec 15, 1990 · N609AW · Minor damage