NTSB investigations: Allison 250-C30 series, CA

6 cases on aircraft whose registry engine model is Allison 250-C30 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

19922026
NTSB investigations: Allison 250-C30 series, CA per year, 1992–2026: 6 cases
19921
19991
20041
20201
20212

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.\"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 ('03015'))
  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 WPR22LA031Accident · No injuriesClass 4 · LimitedFinal reportBell 206L-3 · Covelo, CAA passenger’s unsecured object departed the cabin resulted in a collision with the tail rotor drive shaft.Oct 28, 2021 · N27TK · Substantial damageNTSB WPR21LA133Accident · Minor injuriesClass 4 · LimitedFinal reportBell 206 · Lucerne Valley, CAThe pilot's failure to maintain aircraft control while maneuvering with a tailwind, resulting in the helicopter spinning and colliding with terrain.Mar 16, 2021 · N6133C · Substantial damageNTSB WPR20LA163Accident · 3 fatalClass 3 · LimitedFinal reportBell 206 · Fairfield, CAThe pilot’s failure to maintain adequate clearance from powerlines while conducting external load operations, which resulted in the main rotor contacting a wire and a subsequent collision with terrain.Jun 2, 2020 · N65PJ · Substantial damageNTSB LAX04LA216Accident · Minor injuriesLimited investigationFinal reportBell 206L-3 · Palmdale, CAThe momentary loss of engine power for undetermined reasons.May 20, 2004 · N2019F · Substantial damageNTSB LAX00LA024Accident · No injuriesLimited investigationFinal reportBell 206-L4 · Santa Clarita, CAThe pilot's delay in adding power during a power-on recovery from an autorotation, which resulted in a hard landing and rollover. The flight instructor's inadequate supervision of the flight was also causal.Oct 23, 1999 · N36R · Substantial damageNTSB LAX92T#A04Accident · No injuriesClass 3Final reportBell 206L-1 · Fort Irwin, CAApr 20, 1992 · N5736N · Substantial damage