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NTSB investigations: Allison 250-C20 series, 2000

13 cases on aircraft whose registry engine model is Allison 250-C20 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

19732026

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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 year(c.\"eventDate\") = 2000
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('03020'))
  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 SEA01LA024Accident · No injuriesLimited investigationFinal reportBell 206 B3 · Lake Kachess, WAThe pilot's failure to comply with the flight manual regarding the use of an induction system deflector kit (snow baffles) while operating in snow, and the ingestion of foreign material/snow that resulted in an engine flameout while hovering. A snow baffle…Nov 23, 2000 · N2062D · Substantial damageNTSB MIA01FA006Accident · 1 fatalField investigationFinal reportAerospatiale AS-355-F2 · Burlington, NCThe mechanics failure to comply with manufacturers instructions for correction of a illuminated main rotor gearbox oil pressure warning light resulting in the helicopter being dispatched on a ferry flight with a failed main rotor gearbox oil pump, failure of…Oct 17, 2000 · N355DU · DestroyedNTSB LAX01FA006Accident · Minor injuriesField investigationFinal reportMcDonnell Douglas 369E · Kernville, CAThe pilot's improper storage of personal items and his inadequate preflight inspection, which resulted in the unlatching of the left rear cabin door during flight and allowing a plastic garment bag to blow out and strike the tail rotor.Oct 8, 2000 · N819CE · Substantial damageNTSB SEA00LA197Accident · No injuriesLimited investigationFinal reportBell 206BII · Newhalem, WADebonding between the elastomeric material and the center plate of the transmission isolation mount.Aug 24, 2000 · N90307 · Substantial damageNTSB LAX00MA273Accident · 7 fatalMajor investigationFinal reportAerospatiale AS 355F1 · Kahului, Maui, HIThe pilot's inadequate decision by which he continued visual flight rules flight into instrument meteorological conditions. Also causal was his failure to maintain terrain clearance resulting in a collision with mountainous terrain. A contributing factor was…Jul 21, 2000 · N510TG · DestroyedNTSB FTW00LA181Accident · Minor injuriesLimited investigationFinal reportBell 206B · Deville, LAthe pilot's failure to maintain clearance with the external load that was setting on the ground while hovering. A contributing factor was the pilot's diverted attention.Jun 19, 2000 · N2277T · Substantial damageNTSB LAX00TA186Accident · No injuriesFinal reportMcDonnell Douglas 500N · Los Angeles, CAThe combined failure of the operator management and the check pilot to ensure the landing area was suitable for the slide on landing. Factors were the high vegetation that entangled the skids, resulting in the abrupt stop and nose down movement of the…May 8, 2000 · N955SD · Substantial damageNTSB DEN00FA082Accident · 2 fatalField investigationFinal reportMcDonnell Douglas 369E · Bloomfield, NMThe pilot's intentional buzzing (low level flying), and his failure to maintain clearance with the static wire. A factor was his physical impairment by a contraindicated drug controlled substance.May 2, 2000 · N1606K · DestroyedNTSB CHI00LA121Accident · No injuriesLimited investigationFinal reportHughes 500C · Salina, KSthe loss of tail rotor effectiveness and the autorotation performed by the pilot. The unfavorable wind was a contributing factor.Apr 24, 2000 · N9177F · Substantial damageNTSB LAX00LA156Accident · No injuriesLimited investigationFinal reportBell 407 · Grand Canyon, AZThe failure and subsequent disintegration of the oil cooler fan forward hanger bearing.Apr 16, 2000 · N175PA · Substantial damageNTSB FTW00FA091Accident · 4 fatalField investigationFinal reportEurocopter BO105S-CBS-5 · Dalhart, TXThe pilot's failure to maintain control of the helicopter as a result of his continued flight into known adverse weather conditions. Factors were the dark night light condition, fog, low ceiling, and the pilot's lack of total instrument flight time.Mar 10, 2000 · N335T · DestroyedNTSB LAX00LA109Accident · Minor injuriesLimited investigationFinal reportHughes 500C · Pohnpei (Pacific Ocean)The pilot reported that he and the observer were planning to conduct tuna spotting operations. This was to be the first flight of the day. After takeoff, about 100 to 150 feet above sea level, the helicopter began an uncommanded right turn, followed by an…Feb 18, 2000 · N437DS · DestroyedNTSB IAD00LA015Accident · No injuriesLimited investigationFinal reportBell 206A · Brutus, NYWas the pilot's failure to maintain directional control after encountering a loss of tail rotor effectiveness.Jan 5, 2000 · N206GR · Substantial damage