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
| 2009 | 2 |
|---|---|
| 2010 | 2 |
| 2011 | 1 |
| 2017 | 2 |
| 2021 | 1 |
| 2022 | 1 |
| 2025 | 1 |
Where
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.
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" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
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.NTSB ANC22LA078Accident · Minor injuriesClass 4 · LimitedFinal reportDehavilland DHC-2 · Egegik, AKThe pilot’s loss of control during takeoff in gusting wind conditions.NTSB CEN21LA333Accident · No injuriesClass 4 · LimitedFinal reportBoeing E75 · Baraboo, WIThe pilot’s failure to maintain clearance from the fence while on final approach.NTSB 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.NTSB 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.NTSB 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.NTSB 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.NTSB 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.NTSB 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.NTSB ANC09LA072Accident · No injuriesLimited investigationFinal reportDehavilland Beaver DHC-2 · Iliamna, AKThe pilot's selection of an unsuitable landing/takeoff area with an unfavorable wind.