# NTSB investigations: Pratt & Whitney Canada PT6A-60A: Airframe/component/system failure/malfunction

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 LAX02LA226](https://openairdocs.org/ntsb/LAX02LA226.md): Ayres S2R-T34 · Firebaugh, CA · Accident · No injuries · Limited investigation · Final report · Jul 13, 2002 · N4020Y · Substantial damage
  > The overload fracture and separation of the left main gear strut assembly due the left landing gear's encounter with a chuck hole in the private airstrip's asphalt pavement. A factor in the accident was the inadequate maintenance of the airstrip's surface.
- [NTSB MIA01FA152](https://openairdocs.org/ntsb/MIA01FA152.md): Piper PA-31-T2 · Jackson, TN · Accident · 5 fatal · Field investigation · Final report · Jun 3, 2001 · N31XL · Destroyed
  > The pilot's shutting down the left engine following loss of control of the left propeller resulting in an in-flight loss of control of the airplane due to the windmilling propeller. Factors in the accident were the failure of the propeller control bracket…
- [NTSB DEN01IA108](https://openairdocs.org/ntsb/DEN01IA108.md): Beech 200 · Greeley, CO · Incident · No injuries · Incident investigation · Final report · May 8, 2001 · N725MC · Minor damage
  > jamming of the nose landing gear actuator due to improper painting procedures by other maintenance personnel which resulted in a wheels up landing.
- [NTSB MIA96IA179](https://openairdocs.org/ntsb/MIA96IA179.md): Short Brothers SD3-60-200 · San Juan, PR · Incident · No injuries · Incident investigation · Final report · Jul 9, 1996 · N384MQ · No damage
  > Fatigue failure of a segment of the elevator trim control cable. Contributing to the accident was the failure of the airplane manufacturer to require a replacement interval of the cables.
- [NTSB SEA95LA051](https://openairdocs.org/ntsb/SEA95LA051.md): Sikorsky S-58JT · Marblemount, WA · Accident · Serious injuries · Limited investigation · Final report · Feb 13, 1995 · N1099T · Substantial damage
  > Fatigue failure of the main rotor driveshaft.
- [NTSB NYC93IA113](https://openairdocs.org/ntsb/NYC93IA113.md): Short Brothers SD3-60-200 · Atlantic City, NJ · Incident · No injuries · Incident investigation · Final report · Jun 14, 1993 · N711HJ · No damage
  > A malfunction of the cargo fire warning system which resulted in a false alarm.
- [NTSB ANC89IA059](https://openairdocs.org/ntsb/ANC89IA059.md): De Havilland DHC-6-100 · Barrow, AK · Incident · No injuries · Incident investigation · Final report · Apr 14, 1989 · N100AP · No damage
  > The propagation of a fatigue crack from multiple origins due to manufacturing defects in the elevator bellcrank mounting quadrant.
- [NTSB CHI88LA166](https://openairdocs.org/ntsb/CHI88LA166.md): Gulfstream Aerospace G-21-G · Elyria, OH · Accident · No injuries · Limited investigation · Final report · Jul 13, 1988 · N77AQ · Substantial damage
- [NTSB FTW88IA090](https://openairdocs.org/ntsb/FTW88IA090.md): Embraer EMB-110P1 · Wichita Falls, TX · Incident · No injuries · Incident investigation · Final report · Apr 13, 1988 · N905FB · Minor damage
  > The right engine upper cowling separated during initial climb, went rearward, and shattered a window at the right rearmost passenger seat which was not occupied. The pilot secured the engine and made an uneventful landing. The cowling separated due to…

## 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 ('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" = 130))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52043&occurrence=130

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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.