# NTSB investigations: Pratt & Whitney PT6A series: Loss of engine power

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 DFW07LA203](https://openairdocs.org/ntsb/DFW07LA203.md): Air Tractor AT 602 · Floydada, TX · Accident · No injuries · Limited investigation · Final report · Sep 14, 2007 · N8522P · Substantial damage
  > A leak in the outer ply of the BeCu bellows. This hole appeared to be the result of pitting corrosion, but the corroding agent was not determined.
- [NTSB CHI07CA259](https://openairdocs.org/ntsb/CHI07CA259.md): Air Tractor AT-502 · Creston, IA · Accident · No injuries · Data collection · Final report · Aug 9, 2007 · N9195G · Substantial damage
  > The loss of engine power due to fuel starvation as a result of the pilot's inadequate fuel calculations.
- [NTSB DFW06CA146](https://openairdocs.org/ntsb/DFW06CA146.md): Air Tractor AT-802 · Tuckerman, AR · Accident · No injuries · Data collection · Final report · May 29, 2006 · N175LA · Substantial damage
  > The loss of engine power due to water contamination in the fuel. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB DFW06LA121](https://openairdocs.org/ntsb/DFW06LA121.md): Air Tractor AT-802A · Jasper, TX · Accident · Minor injuries · Limited investigation · Final report · May 1, 2006 · N8504T · Substantial damage
  > The loss of engine power due to fuel exhaustion. A contributing factor was the lack of suitable landing for the pilot to execute the forced landing.
- [NTSB SEA06LA031](https://openairdocs.org/ntsb/SEA06LA031.md): Cessna 208B · Portland, OR · Accident · Minor injuries · Limited investigation · Final report · Dec 24, 2005 · N753FE · Substantial damage
  > A partial loss of engine power for an undetermined reason during the initial takeoff climb resulting in an in-flight collision with objects.
- [NTSB DFW06LA010](https://openairdocs.org/ntsb/DFW06LA010.md): Cessna 208 · Round Rock, TX · Accident · Minor injuries · Limited investigation · Final report · Oct 19, 2005 · N978FE · Substantial damage
  > The loss of engine power due to the failure of the engine-driven fuel pump. A contributing factor was the inadequate inspection of the engine driven fuel pump.
- [NTSB ATL05LA046](https://openairdocs.org/ntsb/ATL05LA046.md): Air Tractor AT-402A · Bainbridge, GA · Accident · Minor injuries · Limited investigation · Final report · Jan 12, 2005 · N90772 · Substantial damage
  > The pilot's inadequate management of the fuel supply, which resulted in fuel starvation.
- [NTSB CHI04LA167](https://openairdocs.org/ntsb/CHI04LA167.md): Beech 200 · Green Bay, WI · Accident · No injuries · Limited investigation · Final report · Jun 30, 2004 · N432FA · Substantial damage
  > The loss of engine power after takeoff for an undetermined reason.
- [NTSB FTW04LA166](https://openairdocs.org/ntsb/FTW04LA166.md): Air Tractor AT-502B · Crowley, LA · Accident · Minor injuries · Limited investigation · Final report · Jun 23, 2004 · N60713 · Substantial damage
  > The loss of engine power due to fuel exhaustion. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW04LA130](https://openairdocs.org/ntsb/FTW04LA130.md): Air Tractor AT-401 · San Angelo, TX · Accident · No injuries · Limited investigation · Final report · May 19, 2004 · N4508Y · Destroyed
  > The loss of engine power for undetermined reasons. A contributing factor was the soft terrain encountered during the aborted takeoff.
- [NTSB ATL03FA082](https://openairdocs.org/ntsb/ATL03FA082.md): Socata TBM 700B · Mobile, AL · Accident · 1 fatal · Field investigation · Final report · Apr 25, 2003 · N705QD · Substantial damage
  > The improper installation of the power control linkage on the engine fuel control unit by maintenance personnel which resulted in a loss of power lever control, and the pilot's failure to follow emergency procedures and his intentional engine shutdown which…
- [NTSB FTW02LA120](https://openairdocs.org/ntsb/FTW02LA120.md): Air Tractor AT-502 · Lamesa, TX · Accident · Minor injuries · Limited investigation · Final report · Apr 15, 2002 · N91905 · Substantial damage
  > The loss of engine power due to contamination of the fuel system. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB ATL02LA060](https://openairdocs.org/ntsb/ATL02LA060.md): Air Tractor AT-502 · Schlater, MS · Accident · No injuries · Limited investigation · Final report · Mar 5, 2002 · N9185F · Substantial damage
  > an unknown person at an unknown time exceeded the engine temperature limitations that resulted in the failure of compressor turbine and the subsequent loss of engine power during takeoff.
- [NTSB FTW02LA010](https://openairdocs.org/ntsb/FTW02LA010.md): Air Tractor 402 · Angie, LA · Accident · No injuries · Limited investigation · Final report · Oct 1, 2001 · N402RW · Substantial damage
  > the loss of engine power during takeoff for undetermined reasons.
- [NTSB ATL01LA074](https://openairdocs.org/ntsb/ATL01LA074.md): Cessna 208B · Ft. Lauderdale, FL · Accident · No injuries · Limited investigation · Final report · Jul 6, 2001 · N812MA · Destroyed
  > The undetermined malfunction of the propeller system.
- [NTSB SEA01LA080](https://openairdocs.org/ntsb/SEA01LA080.md): Ayres S2R-T45 · Royal City, WA · Accident · Minor injuries · Limited investigation · Final report · Apr 30, 2001 · N6129D · Substantial damage
  > Loss of engine power for undetermined reasons. Trees were a factor.
- [NTSB IAD01LA048](https://openairdocs.org/ntsb/IAD01LA048.md): Cessna 208B · Plattsburgh, NY · Accident · No injuries · Limited investigation · Final report · Apr 26, 2001 · N974FE · Substantial damage
  > The incorrect installation of the propeller reversing lever and carbon block assembly, which resulted in a loss of propeller thrust.
- [NTSB MIA99LA257](https://openairdocs.org/ntsb/MIA99LA257.md): Air Tractor AT-502B · Anguilla, MS · Accident · Serious injuries · Limited investigation · Final report · Sep 16, 1999 · N5092G · Substantial damage
  > The P3 air line disconnected at the P3 air filter housing, and a 'B' nut not being safetied by maintenance personnel, which resulted in a total loss of engine power.
- [NTSB FTW99LA226](https://openairdocs.org/ntsb/FTW99LA226.md): Air Tractor AT-402 · Snyder, TX · Accident · No injuries · Limited investigation · Final report · Aug 17, 1999 · N4523L · Substantial damage
  > The loss of engine power due to fuel starvation as result of a leak in the engine fuel control. A factor was the lack of suitable terrain for the forced landing.
- [NTSB DEN99LA149](https://openairdocs.org/ntsb/DEN99LA149.md): Air Tractor AT-402A · Mead, CO · Accident · No injuries · Limited investigation · Final report · Aug 11, 1999 · N402RE · Substantial damage
  > The pilot's failure to follow proper approach to landing procedures as outlined in the Airplane Flight Manual. A factor was the 6-foot tall corn stalks.
- [NTSB FTW99LA031](https://openairdocs.org/ntsb/FTW99LA031.md): Air Tractor AT-400A · Bunkie, LA · Accident · No injuries · Limited investigation · Final report · Nov 19, 1998 · N23787 · Substantial damage
  > The total loss of engine power for an undetermined reason. A factor was the lack of suitable terrain for the forced landing.

## 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 ('52032', '52034')
    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" = 350))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52032&occurrence=350

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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.