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NTSB investigations: Allison 250-C20 series, 2002

14 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

Where

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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\") = 2002
    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 NYC03LA031Accident · No injuriesLimited investigationFinal reportBell 206B · Odenton, MDThe pilot's failure to monitor his fuel supply which resulted in a power loss due to fuel exhaustion, and the pilot's misjudged flare, which resulted in a hard landing.Dec 18, 2002 · N651GA · Substantial damageNTSB LAX03LA017Accident · Serious injuriesLimited investigationFinal reportHughes 369D · Kaaawa, Oahu, HIDynamic rollover during an attempted takeoff, due to the combined effects of the soft sloping terrain and the pilot's failure to redistribute the passengers to a more favorable lateral CG condition.Oct 29, 2002 · N220AL · DestroyedNTSB IAD02LA094Accident · 1 fatalLimited investigationFinal reportGarlick OH-58AT · Rochester, MAThe pilot's failure to center the sling load prior to commencing forward flight. Also causal, was the pilot's improper decision to attempt a takeoff with a quartering tailwind, which resulted in an engine compressor stall.Sep 14, 2002 · N444JB · Substantial damageNTSB SEA02LA137Accident · No injuriesLimited investigationFinal reportBell 206B · Elsie, ORThe shattering and separation of the forward right (pilot's) windscreen for undetermined reason(s).Jul 24, 2002 · N60PH · Substantial damageNTSB DEN02FA065Accident · 2 fatalField investigationFinal reportBell 206BIII · Raton, NMThe pilot's failure to maintain clearance of the static wire. Factors were the static wire, and the glaring sunlight condition.Jun 27, 2002 · N2779B · DestroyedNTSB LAX02GA209Accident · Serious injuriesFinal reportMcDonnell Douglas 369E · Ontario, CAThe mechanic's improper maintenance procedures (FOD prevention) during a 100-hour inspection, which resulted in foreign object damage (FOD) to the compressor section and catastrophic engine failure. Factors were the presence of vehicles and power lines…Jun 25, 2002 · N40NT · DestroyedNTSB NYC02LA105Accident · No injuriesLimited investigationFinal reportBell 206 · Columbus, OHThe flight instructor's delay in applying remedial action. A factor in the accident was the pilot allowing the rotor rpm to become too low during the deceleration and touchdown phase of the autorotation.May 30, 2002 · N820H · Substantial damageNTSB DEN02LA046Accident · No injuriesLimited investigationFinal reportBell 206B-III · Moab, UTThe pilot's failure to maintain rotor rpm during a forced landing. A contributing factor was fuel starvation.May 24, 2002 · N191RH · Substantial damageNTSB FTW02LA143Accident · Serious injuriesLimited investigationFinal reportBell 206B · Rosenberg, TXThe pilot's failure to maintain terrain clearance.May 12, 2002 · N717NH · Substantial damageNTSB FTW02LA117Accident · Minor injuriesLimited investigationFinal reportBell 206B · Walnut Hill, TXThe loss of engine power as a result of the backing off of the PC air line "B" nut due to the improper installation by the company maintenance personnel. Contributing factors were the inadequate preflight by the pilot and the lack of suitable terrain for the…Apr 11, 2002 · N513FD · Substantial damageNTSB DEN02LA036Accident · No injuriesLimited investigationFinal reportBell 206B-III · Leadville, COthe pilot's inadvertent flight into adverse weather, which resulted in a collision with terrain. A contributing factor was the downdraft.Apr 4, 2002 · N997GM · DestroyedNTSB FTW02LA102Accident · No injuriesLimited investigationFinal reportBell 206L-3 · Oakley, UTThe loss of engine power for an undetermined reason. A contributing factor was the lack of suitable terrain for the forced landing.Mar 26, 2002 · N30YB · Substantial damageNTSB FTW02FA099Accident · 1 fatalField investigationFinal reportBell 206L-4 · Eugene Isld 188The pilot's failure to maintain aircraft control during takeoff. A contributing factor was the pilot's inadequate preflight which resulted in his failure to remove the left front tie down.Mar 23, 2002 · N7077B · DestroyedNTSB SEA02FA030Accident · Serious injuriesField investigationFinal reportAgusta A109A II · Baring, WAThe sequential non-mechanical total loss of power in both engines 1 and 2 for undetermined reasons and the pilot's failure to maintain adequate rotor RPM to prevent a hard landing. Contributing factors were the tripped "RPM WARN" circuit breaker which…Jan 20, 2002 · N55NW · Substantial damage