# NTSB investigations: Pratt & Whitney PT6A series, 1998

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 ATL99LA026](https://openairdocs.org/ntsb/ATL99LA026.md): Beech 65-A90 · La Tortue, Haiti · Accident · Minor injuries · Limited investigation · Final report · Nov 29, 1998 · N171TE · Destroyed
  > Inadequate preflight planning/preparation by the pilot, which resulted in fuel exhaustion due to an inadequate supply of fuel. A factor was the terrain ( water).
- [NTSB NYC99WA028](https://openairdocs.org/ntsb/NYC99WA028.md): Cessna 208B · Hamilton, Canada · Accident · No injuries · Foreign investigation · Nov 26, 1998 · N27MG · Substantial damage
- [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.
- [NTSB DEN99TA013](https://openairdocs.org/ntsb/DEN99TA013.md): Air Tractor AT-400 · Aztec, NM · Accident · No injuries · Final report · Oct 19, 1998 · N73080 · Substantial damage
  > The pilot's inadequate preflight inspection of the airplane. Factors were the unsecured oil dipstick, the loss of engine oil pressure necessitating a precautionary landing on unsuitable terrain, and the collision with the tree.
- [NTSB ATL99LA009](https://openairdocs.org/ntsb/ATL99LA009.md): Air Tractor AT502B · Bainbridge, GA · Accident · Serious injuries · Limited investigation · Final report · Oct 12, 1998 · N6037N · Destroyed
  > The pilot's inadequate visual lookout which resulted in a collision with an irrigation unit located in the field.
- [NTSB FTW99LA005](https://openairdocs.org/ntsb/FTW99LA005.md): Air Tractor AT-502B · Ringling, OK · Accident · No injuries · Limited investigation · Final report · Oct 8, 1998 · N502S · Substantial damage
  > The pilot's failure to maintain obstacle clearance. A factor was the sun glare which impaired the pilot's vision.
- [NTSB FTW98LA383](https://openairdocs.org/ntsb/FTW98LA383.md): Air Tractor AT-502B · Portales, NM · Accident · Minor injuries · Limited investigation · Final report · Sep 2, 1998 · N50620 · Destroyed
  > The pilot's failure to maintain adequate altitude/clearance during an aerial application. Also causal was the inadvertent ground loop/swerve during the landing.
- [NTSB MIA98LA202](https://openairdocs.org/ntsb/MIA98LA202.md): Air Tractor 502 · Clewiston, FL · Accident · No injuries · Limited investigation · Final report · Jul 17, 1998 · N9184R · Substantial damage
  > The pilot's failure to attain adequate airspeed. A tailwind was a contributing factor.
- [NTSB CHI98LA243](https://openairdocs.org/ntsb/CHI98LA243.md): Air Tractor AT-502 · Minto, ND · Accident · Minor injuries · Limited investigation · Final report · Jul 9, 1998 · N9185C · Substantial damage
  > the pilot's selection of unsuitable terrain for takeoff. Factors were wet and soft runway conditions, and a ditch and the end of the overrun area.
- [NTSB MIA98LA178](https://openairdocs.org/ntsb/MIA98LA178.md): Air Tractor 502 · Clarksdale, MS · Accident · No injuries · Limited investigation · Final report · Jun 4, 1998 · N1502U · Substantial damage
  > The pilot's failure to extend the flaps for takeoff. A factor was his diverted attention to the loading of the airplane.
- [NTSB FTW98LA205](https://openairdocs.org/ntsb/FTW98LA205.md): Air Tractor AT-402 · Forrest City, AR · Accident · No injuries · Limited investigation · Final report · May 7, 1998 · N91660 · Substantial damage
  > The pilot's failure to maintain clearance with terrain. Factors were the sunglare and the pilot's restriction to visibility due to chemicals on the windshield.
- [NTSB FTW98LA140](https://openairdocs.org/ntsb/FTW98LA140.md): Air Tractor AT-502B · Lake Village, AR · Accident · Minor injuries · Limited investigation · Final report · Mar 3, 1998 · N60762 · Substantial damage
  > The pilot's use of unsuitable terrain for takeoff. A factor was the rough/uneven terrain.
- [NTSB CHI98LA084](https://openairdocs.org/ntsb/CHI98LA084.md): Cessna 208B · Grand Island, NE · Accident · No injuries · Limited investigation · Final report · Jan 20, 1998 · N738FX · Substantial damage
  > ice build-up on the airplane's wings and empennage which led to an inadvertent stall and hard landing. Factors contributing to this accident were the pilot's inadvertent flight into icing conditions, and the icing conditions.
- [NTSB FTW98FA100](https://openairdocs.org/ntsb/FTW98FA100.md): Air Tractor 502B · Eudora, AR · Accident · 1 fatal · Field investigation · Final report · Jan 16, 1998 · N6093U · Destroyed
  > The pilot's failure to maintain adequate airspeed while attempting an aerobatic manuever

## 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 year(c."eventDate") = 1998
  AND 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'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52032&year=1998

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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.