NTSB investigations: Pratt & Whitney Canada PT6A-60A
17 cases on aircraft whose registry engine model is Pratt & Whitney Canada PT6A-60A, where the first occurrence was “Loss of control - in flight”. 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
| 1985 | 1 |
|---|---|
| 1986 | 2 |
| 1987 | 1 |
| 1988 | 1 |
| 1989 | 1 |
| 1991 | 2 |
| 1995 | 1 |
| 2001 | 2 |
| 2002 | 3 |
| 2004 | 1 |
| 2005 | 2 |
Where
Open the mapLatest 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 ('52043', '51999')
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\" = 250))
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 ('52043', '51999')
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" = 250))
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 SEA06FA022Accident · 1 fatalField investigationFinal reportCessna 425 · Belgrade, MTThe pilot's failure to maintain airspeed during the approach which resulted in an inadvertent stall. Factors associated with the accident were dark night conditions, clouds, icing conditions, low visibility and snow.NTSB DFW05FA170Accident · 5 fatalField investigationFinal reportBeech E90 · New Roads, LAThe pilot's failure to maintain airspeed and subsequent loss of control during a go-around maneuver.NTSB DFW05LA034Accident · No injuriesLimited investigationFinal reportBeech BE-200 · Bay View, TXThe pilot's failure to maintain directional control as result of his improper runway selection for takeoff. A contributing factor was the prevailing right quartering tailwind.NTSB FTW03FA024Accident · 1 fatalField investigationFinal reportPiper PA-31T · Hobbs, NMThe pilot's loss of control while in instrument meteorological conditions during initial takeoff climb. Contributing factors were the prevailing clouds and fog.NTSB DCA03MA008Accident · 8 fatalClass 1 · MajorFinal reportBeech King Air 100 · Eveleth, MNThe flight crew's failure to maintain adequate airspeed, which led to an aerodynamic stall from which they did not recover.NTSB LAX02FA101Accident · 3 fatalField investigationFinal reportCessna 425 · San Jose, CAthe pilot's loss of control and resulting exceedence of the design stress limits of the aircraft, which led to an in-flight structural failure. The pilot's loss of control was due in part to the loss of primary airspeed reference resulting from pitot tube…NTSB LAX02LA030Accident · No injuriesLimited investigationFinal reportBeech C-99 · Flagstaff, AZThe pilot's failure to maintain adequate airspeed and his failure to maintain directional control. Contributing factors were the icing conditions, icing, and the improper use of the anti-ice/deicing equipment.NTSB NYC02TA029Accident · Minor injuriesFinal reportKaman K-1200 · Bloomfield, CTThe pilot's failure to maintain aircraft control while hovering. A factor related to the accident was the pilots lack of experience in type of aircraft.NTSB CHI95FA182Accident · 2 fatalField investigationFinal reportGrumman G-21E · West Chicago, ILThe pilot allowed excessive nose-up rotation of the airplane during lift-off, and failed to obtain and/or maintain adequate airspeed, which resulted in an inadvertent stall and collision with the terrain. Factors relating to the accident were: the pilot's…NTSB NYC92FA053Accident · 3 fatalClass 1 · FieldFinal reportBeech 1900C · Block Island, RIThe instructor pilot's loss of altitude awareness and possible spatial disorientation, which resulted in the loss of control of the airplane at an altitude too low for recovery; and company management's lack of involvement in and oversight of its Beechcraft…NTSB DCA91MA042Accident · 13 fatalMajor investigationFinal reportBeech C99 · Birmingham, ALThe decision of the captain to initiate and continue an instrument approach into clearly identified thunderstorm activity, resulting in a loss of control of the airplane from which the flightcrew was unable to recover and subsequent collision with obstacles…NTSB DEN90FA030Accident · 2 fatalField investigationFinal reportBeech F-90 · Lincoln, NMLoss of control due to pilot disorientation while conducting a non precision instrument approach. Contributing to the accident was the pilot's lack of instrument and multiengine experience, and the existing adverse weather.NTSB BFO88FA067Accident · 1 fatalField investigationFinal reportde Havilland DHC-6-200 · Chantilly, VAThe pilot inadvertently misused the flaps, by failing to set the flaps to the proper setting. The flaps were set full down. This caused the aircraft to pitch up steeply after liftoff. Additionally, the flight control lock was probably installed during some…NTSB CHI88MA026Accident · 8 fatalMajor investigationFinal reportBeech 200 · Jefferson, WIWhile cruising abv frzg lvl at 12,000', the flt was clrd to dscnd & maint 9000'. Abt 1-1/2 min ltr, the flt declared a mayday (emergency). Radio & radar ctc were lost & the acft crashed in a nr vertical dscnt. Radar data showed that after starting a dscnt,…NTSB ATL86FEK04Accident · No injuriesFinal reportAyres S2R-T15 · Mandale, OHThe acft stalled in turbulent air during a 180 turn while crop spraying at about 150 ft AGL. The plt said he increased power & dropped the acft nose while turning an additional 20 degrees to avoid trees. The recovery of positive control was in process when…NTSB ANC86LA025Accident · No injuriesLimited investigationFinal reportde Havilland DHC-6 · Mekoryuk, AKThe PIC stated that he was landing to the southwest because the fog was obscuring the apch path to rwy 05. After aligning with rwy 23, the acft drifted off course. The plt was attempting to realign the acft with the rwy when he touched down in a bank and…NTSB CHI85LA151Accident · No injuriesLimited investigationFinal reportde Havilland DHC-6-200 · Grand Rapids, MIThe 14 CFR 135 pilot with light load of cargo was taking offof 10000 x 150 ft runway pilot said rt engine lost power he reduced power to ld was 50 ft AGL and bounced on second touchdown acft dept runway at 45 angle nose gear broke off in sod wind was 30 off…