# NTSB investigations: Pratt & Whitney PT6A series, 1997

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 NYC98LA050](https://openairdocs.org/ntsb/NYC98LA050.md): Beech 1900D · Windsor Locks, CT · Accident · No injuries · Limited investigation · Final report · Dec 23, 1997 · N140ZV · Substantial damage
  > The inadequate snow removal by airport personnel. Contributing factors were the snowbank and whiteout conditions.
- [NTSB FTW98LA035](https://openairdocs.org/ntsb/FTW98LA035.md): Pilatus PC-6 · Lexington, TX · Accident · No injuries · Limited investigation · Final report · Oct 28, 1997 · N19TX · Substantial damage
  > the pilot's selection of an unsuitable landing area. A factor relating to the accident was: the uneven terrain (with swales) at the edge of the landing area.
- [NTSB ANC98IA004](https://openairdocs.org/ntsb/ANC98IA004.md): Cessna 208B · Kasigluk, AK · Incident · No injuries · Incident investigation · Final report · Oct 20, 1997 · N9304F · No damage
  > inadequate inspection of the aileron by company maintenance personnel, and the pilot's inadequate preflight inspection of the aileron, which led to the jamming of the left aileron due to loose balance weight retaining screws.
- [NTSB NYC98LA013](https://openairdocs.org/ntsb/NYC98LA013.md): Beech 1900D · Pittsburgh, PA · Accident · Minor injuries · Limited investigation · Final report · Oct 15, 1997 · N162ZV · Substantial damage
  > the tug driver's failure to obey a stop sign and his failure to yield right-of-way to the airplane.
- [NTSB LAX98FA013](https://openairdocs.org/ntsb/LAX98FA013.md): Beech 99-C99 · Meadview, AZ · Accident · No injuries · Field investigation · Final report · Oct 15, 1997 · N227AV · Substantial damage
  > The pilot's inadequate in-flight decision, inadequate visual lookout, and his failure to maintain adequate obstacle clearance. Contributing was low altitude flight.
- [NTSB DCA98MA002](https://openairdocs.org/ntsb/DCA98MA002.md): Cessna 208B · Montrose, CO · Accident · 9 fatal · Major investigation · Final report · Oct 8, 1997 · N12022 · Destroyed
  > the pilot's failure to maintain sufficient airspeed for undetermined reasons while maneuvering the airplane near the maximum gross weight and aft cg in or near instrument meteorological conditions, resulting in the loss of control and entry into a stall/spin.…
- [NTSB FTW97LA331](https://openairdocs.org/ntsb/FTW97LA331.md): Air Tractor AT-802A · Pineland, TX · Accident · No injuries · Limited investigation · Final report · Aug 27, 1997 · N9197F · Substantial damage
  > failure of the right main wheel brake, during the landing roll. A factor relating to the accident was: the pilot's failure (or inability) to maintain directional control of the airplane, after loss of right braking action.
- [NTSB FTW97LA329](https://openairdocs.org/ntsb/FTW97LA329.md): Fairchild Heli-Porter PC6/B2-H2 · Gillette, WY · Accident · No injuries · Limited investigation · Final report · Aug 26, 1997 · N354F · Substantial damage
  > Failure by the pilot in command to follow procedures and retrim the stabilizer for landing.
- [NTSB FTW97FA285](https://openairdocs.org/ntsb/FTW97FA285.md): Ayres S2R-T15 · Oakridge, LA · Accident · 1 fatal · Field investigation · Final report · Jul 28, 1997 · N3096K · Destroyed
  > The pilot's failure to maintain clearance for undetermined reasons.
- [NTSB LAX97LA250](https://openairdocs.org/ntsb/LAX97LA250.md): de Havilland DHC-6-300 · Elko, NV · Accident · No injuries · Limited investigation · Final report · Jul 21, 1997 · N776BF · Substantial damage
  > The failure of maintenance personnel to correctly diagnose and correct a reoccurring nose gear steering problem, and the improperly tensioned nose wheel steering actuator cables which provided the pilot with an erroneous cockpit indication that the nose gear…
- [NTSB MIA97LA195](https://openairdocs.org/ntsb/MIA97LA195.md): Air Tractor AT-502 · Tunica, MS · Accident · No injuries · Limited investigation · Final report · Jun 24, 1997 · N45461 · Substantial damage
  > The pilots poor preflight planning preparation for attempting to takeoff with a tailwind and with the hopper loaded 3/4 full during a 93degree F., day at a density altitude of 2,400 feet.
- [NTSB ATL97LA088](https://openairdocs.org/ntsb/ATL97LA088.md): Air Tractor AT-402B · Ridgely, TN · Accident · No injuries · Limited investigation · Final report · Jun 23, 1997 · N6128W · Substantial damage
  > The pilot's inadequate preflight planning in that he failed to account for the high temperature and high density altitude, which resulted in an aerodynamic stall and loss of control. Factors were the tall crops and the ditch.
- [NTSB NYC97IA123](https://openairdocs.org/ntsb/NYC97IA123.md): Beech 1900D · Clarksburg, WV · Incident · No injuries · Incident investigation · Final report · Jun 19, 1997 · N165YV · Minor damage
  > The right outboard flap detaching from the flap aft roller bearings, at the flap track, which was a result of the manufacturer's inadequate inspection program.
- [NTSB FTW97LA225](https://openairdocs.org/ntsb/FTW97LA225.md): Air Tractor AT-502A · Chesterville, TX · Accident · No injuries · Limited investigation · Final report · Jun 13, 1997 · N248LF · Substantial damage
  > an undetermined malfunction/failure of the propeller reversing system.
- [NTSB FTW97LA223](https://openairdocs.org/ntsb/FTW97LA223.md): Air Tractor AT-400A · Black Oak, AR · Accident · Minor injuries · Limited investigation · Final report · Jun 13, 1997 · N3161J · Destroyed
  > The loss of engine power due to compressor turbine blade failure. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW97LA196](https://openairdocs.org/ntsb/FTW97LA196.md): Ayres S2R-T34 · Welsh, LA · Accident · Minor injuries · Limited investigation · Final report · May 22, 1997 · N30982 · Substantial damage
  > The pilot's failure to maintain clearance with a moving vehicle. Factors were: the lack of runway signs and a runway safety area, and the difficulty for the pilot and driver of the vehicle to visually detect each other due to high vegetation at the edge of…
- [NTSB MIA97WA124](https://openairdocs.org/ntsb/MIA97WA124.md): Beech E-90 · Choque, Peru · Accident · No injuries · Foreign investigation · Mar 28, 1997 · N90DA · Substantial damage
- [NTSB FTW97LA140](https://openairdocs.org/ntsb/FTW97LA140.md): Air Tractor AT-502 · Watson, AR · Accident · No injuries · Limited investigation · Final report · Mar 23, 1997 · N9185G · Substantial damage
  > The pilot's failure to attain lift off speed and the ground loop/swerve encountered. Factors were the gravel and soft terrain at the end of the runway.
- [NTSB LAX97LA125](https://openairdocs.org/ntsb/LAX97LA125.md): Cessna 425 · Fresno, CA · Accident · No injuries · Limited investigation · Final report · Mar 17, 1997 · N425TV · Substantial damage
  > failure of the right brake to function, due to the installation mechanic's failure to completely bleed all air from the lines. A factor in the accident was the pilot's decision to fly the unairworthy aircraft before the engine/propeller installation had been…
- [NTSB FTW97LA088](https://openairdocs.org/ntsb/FTW97LA088.md): Beech B90 · Longmont, CO · Accident · Minor injuries · Limited investigation · Final report · Jan 24, 1997 · N76GM · Destroyed
  > Failure of the pilot to refuel the airplane, resulting in fuel exhaustion. Factors were the pilot's reference to similar but different aircraft performance charts, and the operator's failure to provide the pilot with the proper performance charts.
- [NTSB NYC97FA045](https://openairdocs.org/ntsb/NYC97FA045.md): Beech 1900D · Bangor, ME · Accident · Minor injuries · Field investigation · Final report · Jan 10, 1997 · N139ZV · Substantial damage
  > The inadequate flight and winter operations training provided by the operator, and the pilot's improper decision to abort the takeoff while airborne above V1, due to a false stall warning horn. Also casual was the airport operations improper decision to…
- [NTSB MIA97GA059](https://openairdocs.org/ntsb/MIA97GA059.md): Ayres S2RHG-T65 · Guaviare, Colombia · Accident · 1 fatal · Final report · Jan 7, 1997 · N3100U · Destroyed
  > the pilot's failure to maintain adequate altitude/clearance while maneuvering at a low altitude.
- [NTSB FTW97LA074](https://openairdocs.org/ntsb/FTW97LA074.md): Beech C90A · Rio Grande City, TX · Accident · No injuries · Limited investigation · Final report · Jan 2, 1997 · N1552D · Substantial damage
  > The pilot's failure to maintain clearance with the tower. Factors were the low ceilings and the pilot's diverted attention to his navigation.

## 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") = 1997
  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=1997

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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.