# NTSB investigations: U/A Canada PT6A series

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB ANC25LA050](https://openairdocs.org/ntsb/ANC25LA050.md): Short Bros SD3-60 · Honolulu, HI · Accident · No injuries · Class 4 · Limited · Final report · Jun 11, 2025 · N221LM · Substantial damage
  > The pilots’ failure to extend the landing gear prior to landing. Contributing to the accident was the pilots’ failure to complete the Before Landing checklist.
- [NTSB CEN23LA387](https://openairdocs.org/ntsb/CEN23LA387.md): Beech 200 · Henderson, KY · Accident · No injuries · Class 4 · Limited · Final report · Aug 30, 2023 · N313CT · Substantial damage
  > An in-flight collision with a bird shortly after takeoff.
- [NTSB CEN23LA052](https://openairdocs.org/ntsb/CEN23LA052.md): Beech 200 · Del Rio, TX · Accident · No injuries · Class 4 · Limited · Final report · Nov 22, 2022 · N968T · Substantial damage
  > The pilot’s failure to maintain control of the airplane that resulted in an uncontrolled descent and overstress of the airframe during his recovery of the airplane.
- [NTSB CEN22LA166](https://openairdocs.org/ntsb/CEN22LA166.md): Beech B200 · Odessa, TX · Accident · Serious injuries · Class 4 · Limited · Final report · Mar 29, 2022 · N469SL · No damage
  > The airplane’s encounter with severe clear air turbulence that was not forecasted, which resulted in a serious injury to an unrestrained passenger.
- [NTSB WPR21FA266](https://openairdocs.org/ntsb/WPR21FA266.md): Beech C90 · Wikieup, AZ · Accident · 2 fatal · Class 3 · Field · Final report · Jul 10, 2021 · N3688P · Destroyed
  > The failure and separation of the left wing’s outboard section due to a fatigue crack in the lower spar cap. Contributing to the accident was the operator’s decision to repair the wing spar instead of replacing it as recommended by the aircraft manufacturer.…
- [NTSB WPR15LA202](https://openairdocs.org/ntsb/WPR15LA202.md): Short Bros SD3 60 · Kapolei, HI · Accident · No injuries · Limited investigation · Final report · Jun 30, 2015 · N221LM · Substantial damage
  > The pilots’ failure to extend the landing gear before landing. Contributing to the accident was the pilots’ failure to complete the Before Landing checklist.
- [NTSB CEN14FA035](https://openairdocs.org/ntsb/CEN14FA035.md): Beech C90 · Springdale, AR · Accident · 2 fatal · Field investigation · Final report · Nov 1, 2013 · N269JG · Destroyed
  > A total loss of power to both engines due to fuel exhaustion. Also causal were the pilot’s reliance on the fuel totalizer rather than the fuel quantity gauges to determine the fuel on board and his improper fuel planning.
- [NTSB ANC11TA031](https://openairdocs.org/ntsb/ANC11TA031.md): Beech B200 · Atqasuk, AK · Accident · Minor injuries · Final report · May 16, 2011 · N786SR · Substantial damage
  > The pilot did not maintain sufficient airspeed during an instrument approach in icing conditions, which resulted in an aerodynamic stall and loss of control. Contributing to the accident were the pilot’s fatigue, the operator’s decision to initiate the flight…
- [NTSB CEN11LA251](https://openairdocs.org/ntsb/CEN11LA251.md): Cessna 425 · Canadian, TX · Accident · Minor injuries · Limited investigation · Final report · Mar 28, 2011 · N410VE · Substantial damage
  > The pilot’s continuation of the approach with excessive airspeed, which resulted in a hard landing and a loss of directional control.
- [NTSB CEN11IA180](https://openairdocs.org/ntsb/CEN11IA180.md): Hawker Beechcraft C90 · Evansville, IN · Incident · No injuries · Incident investigation · Final report · Feb 9, 2011 · N2057C · Minor damage
  > The peel chip-type failure of the co-pilot's window during initial climb.
- [NTSB CEN10CA116](https://openairdocs.org/ntsb/CEN10CA116.md): Piper PA-31T · Columbia, MO · Accident · No injuries · Data collection · Final report · Feb 4, 2010 · N723JP · Substantial damage
  > The pilot's failure to verify that the landing gear was fully extended prior to landing.
- [NTSB CEN09LA389](https://openairdocs.org/ntsb/CEN09LA389.md): Piper PA-31T1 · St. Louis, MO · Accident · No injuries · Limited investigation · Final report · Jun 25, 2009 · N701PT · Substantial damage
  > The pilot’s failure to establish and maintain a stabilized final approach which resulted in a hard landing and runway overrun.
- [NTSB DEN07MA134](https://openairdocs.org/ntsb/DEN07MA134.md): Beech E90B · Ruidoso, NM · Accident · 5 fatal · Major investigation · Final report · Aug 6, 2007 · N369CD · Destroyed
  > Failure to maintain clearance from terrain due to spatial disorientation.
- [NTSB CHI07LA198](https://openairdocs.org/ntsb/CHI07LA198.md): Ayres S2R-T15 · Marion, IN · Accident · No injuries · Limited investigation · Final report · Jul 2, 2007 · N3088K · Substantial damage
  > The loss of engine power for undetermined reasons during an aerial application. A contributing factor was the creek bed.
- [NTSB MIA05LA096](https://openairdocs.org/ntsb/MIA05LA096.md): de Havilland DHC-6 · Deland, FL · Accident · 1 fatal · Limited investigation · Final report · Apr 23, 2005 · N24HV · Substantial damage
  > The pilot's inadequate visual lookout.
- [NTSB NYC05IA029](https://openairdocs.org/ntsb/NYC05IA029.md): Fairchild-Heliporter Pilatus PC6/B2-H2 · Cross Keys, NJ · Incident · No injuries · Incident investigation · Final report · Dec 4, 2004 · N7391U · Minor damage
  > A total failure of the left elevator attachment point for undetermined reasons.
- [NTSB IAD05MA006](https://openairdocs.org/ntsb/IAD05MA006.md): Beech 200 · Stuart, VA · Accident · 10 fatal · Class 1 · Major · Final report · Oct 24, 2004 · N501RH · Destroyed
  > The flight crew's failure to properly execute the published instrument approach procedure, including the published missed approach procedure, which resulted in controlled flight into terrain. Contributing to the cause of the accident was the flight crew's…
- [NTSB ATL04FA045](https://openairdocs.org/ntsb/ATL04FA045.md): Beech B200 · Morlan, GA · Accident · 2 fatal · Field investigation · Final report · Dec 5, 2003 · N85BK · Destroyed
  > The pilot's inadequate in-flight planning/decision when he continued the flight below the decision height and collided with trees. A related factor was the low ceiling.
- [NTSB CHI03IA108](https://openairdocs.org/ntsb/CHI03IA108.md): Piper PA-31T1 · Wheeling, IL · Incident · No injuries · Incident investigation · Final report · Apr 17, 2003 · N855JL · Minor damage
  > The pilot's failure to maintain obstacle clearance and the inadequate glidepath which resulted in a collision with a utility pole. Contributing factors were the lack of experience in the incident airplane by the left seat pilot, the visual illusion of a…
- [NTSB FTW02LA161](https://openairdocs.org/ntsb/FTW02LA161.md): Ayres S2R-T34 · Aubrey, AR · Accident · No injuries · Limited investigation · Final report · May 24, 2002 · N4025Y · Substantial damage
  > The failure of a compressor turbine blade(s) for an undetermined reason.
- [NTSB MIA99FA188](https://openairdocs.org/ntsb/MIA99FA188.md): Beech C90 · Munson, FL · Accident · 2 fatal · Field investigation · Final report · Jun 25, 1999 · N3019W · Destroyed
  > The poor in-flight weather evaluation by the pilot-in-command and his operation of the airplane at an indicated airspeed greater than the design maneuvering speed (Va) in a thunderstorm contrary to the pilot's operating handbook resulting in an in-flight…
- [NTSB FTW99LA013](https://openairdocs.org/ntsb/FTW99LA013.md): Beech 65-A90 · Russellville, AR · Accident · Minor injuries · Limited investigation · Final report · Oct 17, 1998 · N90GN · Substantial damage
  > The pilot's failure to maintain clearance with the ground due to the pilot's improper use of the flaps and the ensuing inadvertent descent. Factors were the dark night conditions, the pilot's diverted attention, and the foggy windshield.
- [NTSB CHI92LA240](https://openairdocs.org/ntsb/CHI92LA240.md): Piper PA-31T1 · Osage Beach, MO · Accident · No injuries · Limited investigation · Final report · Aug 13, 1992 · N701PT · Substantial damage
  > Failure to attain the proper touchdown point.
- [NTSB LAX92FA149](https://openairdocs.org/ntsb/LAX92FA149.md): Ayres S2R-T34 · Bakersfield, CA · Accident · Serious injuries · Field investigation · Final report · Mar 23, 1992 · N59SK · Destroyed
  > A catastrophic wing spar failure precipitated by hidden corrosion and the restricted view of the area of corrosion by the airplane's wing structure.
- [NTSB LAX92FA090](https://openairdocs.org/ntsb/LAX92FA090.md): Cessna 425 · Las Vegas, NV · Accident · 7 fatal · Field investigation · Final report · Jan 12, 1992 · N425BN · Destroyed
  > The pilot's failure to maintain aircraft control due to spatial disorientation. Factors in this accident were: 1) the pilot's failure to obtain a preflight weather briefing and to properly evaluate the existing weather conditions prior to flight, and 2)…
- [NTSB FTW91FA029](https://openairdocs.org/ntsb/FTW91FA029.md): Beech F-90 · Nacogdoches, TX · Accident · Serious injuries · Field investigation · Final report · Jan 11, 1991 · N311DS · Destroyed
  > The loss of thrust due to the propeller's feathering on liftoff as a result of improper adjustments made during an engine change. A factor was the lack of suitable terrain to which the pilot could execute a forced landing.
- [NTSB LAX90LA036](https://openairdocs.org/ntsb/LAX90LA036.md): Piper PA-31-350 · Ontario, CA · Accident · No injuries · Limited investigation · Final report · Oct 25, 1989 · N4098A · 2 aircraft · Substantial damage
  > Improper use of the brakes by the pilot of the Piper PA-31.
- [NTSB MKC89IA168](https://openairdocs.org/ntsb/MKC89IA168.md): Beech 65-90 · Springdale, AR · Incident · No injuries · Incident investigation · Final report · Jul 26, 1989 · N195DP · Minor damage
  > The pilot's failure to extend the landing gear.
- [NTSB ATL86FA032](https://openairdocs.org/ntsb/ATL86FA032.md): Beech C90 · East Greenwich, RI · Accident · 2 fatal · Field investigation · Final report · Nov 27, 1985 · N220F · Destroyed
  > The acft crashed about nine miles short of the rwy during an ILS approach to warwick, RI in IMC wx. The acft had been cleared to descend from 13000 to 3000 ft. the acft crashed outside the outer marker. The co-plt had reported the acft as inside the outer…
- [NTSB NYC84FA052](https://openairdocs.org/ntsb/NYC84FA052.md): Cessna 425 · Newburgh, NY · Accident · 1 fatal · Field investigation · Final report · Dec 12, 1983 · N6774R · Destroyed
  > During arrival, there were indefinite delays at white plains, NY, so the plt diverted to Newburgh, NY. He was vectored for an ILS rwy 9 apch. While en route, the plt requested & was given the ILS freq, mins for the apch, the arpt elevation(491 ft MSL), the…
- [NTSB ATL82FA018](https://openairdocs.org/ntsb/ATL82FA018.md): Cessna 425 · Natchez, MS · Accident · 1 fatal · Closed · Nov 18, 1981 · N425AC · Destroyed
- [NTSB NYC79IA072](https://openairdocs.org/ntsb/NYC79IA072.md): Short Bros SD3-30 · Reading, PA · Incident · No injuries · Closed · Aug 6, 1979 · N724SA · Minor damage
- [NTSB NYC78IA031](https://openairdocs.org/ntsb/NYC78IA031.md): Short SD3-30 · Philadelphia, PA · Incident · No injuries · Closed · Mar 10, 1978 · N696HA · No damage

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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 ('61508'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=61508

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.