NTSB investigations: Pratt & Whitney R-985 series

10 cases on aircraft whose registry engine model is Pratt & Whitney R-985 series, where the defining event was Collision during takeoff/land. 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

20092026
NTSB investigations: Pratt & Whitney R-985 series per year, 2009–2026: 10 cases
20092
20102
20111
20172
20211
20221
20251

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 ('52008')
      AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e.\"isDefiningEvent\" AND e.\"tier2Number\" = '490'))
  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 ANC25LA074Accident · No injuriesClass 4 · LimitedFinal reportDehavilland Beaver DHC-2 MK.1 · Nelson Lagoon, AKThe pilot’s failure to maintain clearance from a creek bank while maneuvering to land.Jul 11, 2025 · N109KS · Substantial damageNTSB ANC22LA078Accident · Minor injuriesClass 4 · LimitedFinal reportDehavilland DHC-2 · Egegik, AKThe pilot’s loss of control during takeoff in gusting wind conditions.Sep 19, 2022 · N24BR · Substantial damageNTSB CEN21LA333Accident · No injuriesClass 4 · LimitedFinal reportBoeing E75 · Baraboo, WIThe pilot’s failure to maintain clearance from the fence while on final approach.Jul 23, 2021 · N51CF · Substantial damageNTSB ERA17CA251Accident · No injuriesData collectionFinal reportWeatherly 620 · Pemberton Twp, NJAn in-flight collision with a bird during takeoff, which resulted in a partial loss of engine power and subsequent collision with trees and terrain.Jul 19, 2017 · N9270W · Substantial damageNTSB ANC17LA032Accident · Minor injuriesClass 2 · LimitedFinal reportDehavilland DHC-2 · Ketchikan, AKThe pilot's misjudgment of the takeoff distance needed to depart the lake, and his subsequent failure to maintain clearance from the water during a turn to avoid terrain, which resulted in impact with water.Jun 18, 2017 · N930TG · Substantial damageNTSB ANC11LA007Accident · No injuriesLimited investigationFinal reportBeech E18S-9700 · New Stuyahok, AKThe pilot's misjudgment of the runway surface condition, resulting in an aborted landing and collision with rising terrain during the ensuing takeoff attempt.Jan 3, 2011 · N9001 · Substantial damageNTSB CEN10CA568Accident · No injuriesData collectionFinal reportBeech D17S · Fort Worth, TXThe pilot’s improper fuel management, which resulted in a total loss of engine power due to fuel exhaustion.Sep 21, 2010 · N17GB · Substantial damageNTSB ANC10CA054Accident · No injuriesData collectionFinal reportDehavilland DHC-2 MK. I(L20A) · Igiugig, AKThe pilot's decision to use only a portion of the available takeoff area, which resulted in a collision with terrain during takeoff.Jun 28, 2010 · N9RW · Substantial damageNTSB WPR09CA393Accident · No injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Westley, CAThe pilot’s inadequate preflight planning and preparation, and his decision to operate the airplane well in excess of its maximum gross weight.Aug 13, 2009 · N6697Q · Substantial damageNTSB ANC09LA072Accident · No injuriesLimited investigationFinal reportDehavilland Beaver DHC-2 · Iliamna, AKThe pilot's selection of an unsuitable landing/takeoff area with an unfavorable wind.Jul 22, 2009 · N68088 · Substantial damage