OpenAirDocs.org

NTSB investigations: Allison 250 SER 400HP

6 cases on aircraft whose registry engine model is Allison 250 SER 400HP, where the first occurrence was “In flight encounter with weather”. 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

19872026

Where

Open the map

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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('03013', '03012')
      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\" = 240))
  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 LAX04FA329Accident · 5 fatalClass 1 · FieldFinal reportBell 206B · Kalaheo, HIThe pilot's decision to continue flight under visual flight rules into an area of turbulent, reduced visibility weather conditions, which resulted in the pilot's spatial disorientation and loss of control of the helicopter. Contributing to this accident was…Sep 25, 2004 · N16849 · DestroyedNTSB FTW04FA168Accident · 3 fatalField investigationFinal reportBell 206-L1 · Vermillion Bay, LAThe pilot's continued flight into adverse weather conditions resulting in a loss of control. Contributing factors were the prevailing thunderstorms and the pilot's inadequate in flight preparation and planning.Jun 24, 2004 · N5006F · DestroyedNTSB LAX03FA241Accident · 5 fatalField investigationFinal reportBell 206B · Waialeale,Kauai, HIThe pilot's failure to maintain adequate terrain clearance/altitude while descending over mountainous terrain, and his continued flight into adverse weather. Factors contributing to the accident were clouds and a low ceiling.Jul 23, 2003 · N37741 · DestroyedNTSB FTW90LA095Accident · No injuriesLimited investigationFinal reportHughes 369HS · Junction, TXThe pilot in command's inadequate execution of the autorotation following a engine failure which resulted from his failure to refuel the aircraft with the proper grade of fuel when he ran short during the flight.Apr 15, 1990 · N9138F · Substantial damageNTSB DEN89FA101Accident · No injuriesField investigationFinal reportBell 206B-III · Park City, UTAn encounter with strong down-slope winds and gusts during a critiacal phase of flight which caused power required to exceed power available. Contributing factors to the accident was the downhill terrain and the downdraft conditions.Apr 5, 1989 · N16733 · Substantial damageNTSB SEA88LA016Accident · No injuriesLimited investigationFinal reportHiller FH-1100 · Turner, ORWhile on a short cross country flight the pilot encountered a rain storm and low clouds. The pilot made a 180 degree turn and then elected to make a precautionary landing in a field. Although the pilot visually inspected the area prior to landing, he did not…Nov 12, 1987 · N35HA · Substantial damage