# Final NTSB investigations: Pratt & Whitney Canada PT6T-3 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 GAA15CA230](https://openairdocs.org/ntsb/GAA15CA230.md): Bell 412 · Whittier, CA · Accident · Minor injuries · Data collection · Final report · Aug 17, 2015 · N412LA · Substantial damage
  > The pilot's failure to appropriately monitor the helicopter's fuel supply, resulting in fuel exhaustion, loss of engine power, and an autorotation with a hard landing.
- [NTSB FTW04IA217](https://openairdocs.org/ntsb/FTW04IA217.md): Bell 412 · South Pass 65 · Incident · No injuries · Incident investigation · Final report · Aug 19, 2004 · N22347 · Minor damage
  > The failure and separation of the tail rotor gearbox for undetermined reasons.
- [NTSB FTW04LA133](https://openairdocs.org/ntsb/FTW04LA133.md): Bell 412 · San Antonio, TX · Accident · No injuries · Limited investigation · Final report · May 23, 2004 · N555BA · Substantial damage
  > The pilot's failure to maintain clearance with the parked helicopter while performing a hovering turn.
- [NTSB SEA03LA012](https://openairdocs.org/ntsb/SEA03LA012.md): Bell 212 · Longview, WA · Accident · No injuries · Limited investigation · Final report · Nov 22, 2002 · N82W · Substantial damage
  > The pilot's failure to maintain clearance from trees while landing. A contributing factor was trees.
- [NTSB FTW00LA192](https://openairdocs.org/ntsb/FTW00LA192.md): Ayres S2R-G10 · Brownfield, TX · Accident · Minor injuries · Limited investigation · Final report · Jul 3, 2000 · N4061H · Substantial damage
  > The loss of engine power due to the blocked engine intake, which resulted from ingesting birds. Factors were the lack of suitable terrain for the forced landing and the pilot's intentional ground loop in an attempt to avoid a ditch.
- [NTSB BFO94FA071](https://openairdocs.org/ntsb/BFO94FA071.md): Bell 412/SP · Bluefield, VA · Accident · 4 fatal · Field investigation · Final report · Apr 22, 1994 · N70AM · Destroyed
  > The pilot's failure to intercept the final approach course, and his improper execution of the instrument approach procedure. Factors which contributed to the accident were: the weather conditions, and the failure of the air traffic controller to adequately…
- [NTSB LAX93T#A02](https://openairdocs.org/ntsb/LAX93T%23A02.md): Bell 412 · Topanga, CA · Accident · No injuries · Class 3 · Final report · Mar 31, 1993 · N412LA · No damage
- [NTSB SEA84LA012](https://openairdocs.org/ntsb/SEA84LA012.md): Bell 212 · Coos Bay, OR · Accident · No injuries · Limited investigation · Final report · Oct 20, 1983 · N82W · Substantial damage
  > The helicopter snagged a cable with its skid during takeoff and rolled over. The acft had landed for fuel and was takingoff after refueling when a cable attached to a fertilizer dispencer caught on the helicopter's skid. The acft rolled to the right and…
- [NTSB FTW83IA053](https://openairdocs.org/ntsb/FTW83IA053.md): Bell 412 · Intercoastal Ci, LA · Incident · No injuries · Incident investigation · Final report · Dec 2, 1982 · N2258F · No damage
  > While in cruise flight, the pilots heard a loud pop and felt a severe cyclic control vibration. An immediate precautionary landing was made. An examination revealed that there was a fatigue crack in the trailing edge of the blue, main rotor yoke flexure, pn…

## 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."completionStatus" = 'Completed'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52103'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52103&status=final

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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.