# NTSB investigations: Pratt & Whitney R1340 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 FTW98LA004](https://openairdocs.org/ntsb/FTW98LA004.md): North American Harvard MK IV · Midland, TX · Accident · No injuries · Limited investigation · Final report · Oct 4, 1997 · N13595 · 2 aircraft · Substantial damage
  > the failure of the pilots of both airplanes to maintain clearance from each other. A factor was their failure to follow procedures/directives.
- [NTSB MIA98IA001](https://openairdocs.org/ntsb/MIA98IA001.md): Grumman G-73 · Fort Lauderdale, FL · Incident · No injuries · Incident investigation · Final report · Oct 1, 1997 · N168WS · Minor damage
  > the partial failure of a component of the hydraulic system resulting in the collapse of the nose landing gear during the landing roll.
- [NTSB ATL97FA134](https://openairdocs.org/ntsb/ATL97FA134.md): North American T-6-SNJ5 · Camden, SC · Accident · 2 fatal · Field investigation · Final report · Sep 6, 1997 · N1047C · Destroyed
  > The pilot's failure to take remedial action after a loss of engine power for undetermined reasons, leading to a spin. Factors were the pilot's use of unapproved medication, and the FAA's inadequate certification and standards for airman.
- [NTSB FTW97LA336](https://openairdocs.org/ntsb/FTW97LA336.md): Grumman G-164A · Muleshoe, TX · Accident · Minor injuries · Limited investigation · Final report · Aug 30, 1997 · N9807 · Substantial damage
  > failure of the pilot to see the standpipe in time to avoid an accident (inadequate visual lookout), and his failure to maintain clearance with electrical wires, while maneuvering during an aerial application flight.
- [NTSB ATL97LA127](https://openairdocs.org/ntsb/ATL97LA127.md): Air Tractor AT-301 · Clewiston, FL · Accident · No injuries · Limited investigation · Final report · Aug 29, 1997 · N7307C · Substantial damage
  > The crack in the #8 cylinder head which led to the loss of power. A factor was the soft terrain.
- [NTSB FTW97LA322](https://openairdocs.org/ntsb/FTW97LA322.md): Rockwell S-2R · Columbus, NM · Accident · Serious injuries · Limited investigation · Final report · Aug 21, 1997 · N4893X · Substantial damage
  > a loss of engine power due to failure of an exhaust side rocker box and valve mechanism, and pilot incapacitation due to loss of consciousness after being struck in the head by parts separating from the engine.
- [NTSB CHI97LA263](https://openairdocs.org/ntsb/CHI97LA263.md): Grumman G-164B · Burlington, WI · Accident · No injuries · Limited investigation · Final report · Aug 16, 1997 · N7016Y · Substantial damage
  > the deer which contacted the airplane.
- [NTSB MIA97LA210](https://openairdocs.org/ntsb/MIA97LA210.md): Grumman-Schweizer G-164A · Woodeberry, TN · Accident · No injuries · Limited investigation · Final report · Jul 13, 1997 · N7981 · Destroyed
  > in-flight collision with a fence during takeoff. Factors in this accident were the pilot's inadequate pre-flight by not calculating the total weight of the airplane, and high temperatures.
- [NTSB MIA97LA208](https://openairdocs.org/ntsb/MIA97LA208.md): Air Tractor AT-401 · Altha, FL · Accident · Minor injuries · Limited investigation · Final report · Jul 8, 1997 · N1509C · Destroyed
  > the pilot's impairment of judgment and performance due to alcohol which led to his failure to maintain control of the airplane.
- [NTSB CHI97LA204](https://openairdocs.org/ntsb/CHI97LA204.md): Grumman-Schweizer G-164B · Donnelly, MN · Accident · No injuries · Limited investigation · Final report · Jul 7, 1997 · N6633K · Substantial damage
  > undetermined event resulting in the broken connecting rod and cylinder.
- [NTSB FTW97LA242](https://openairdocs.org/ntsb/FTW97LA242.md): Air Tractor AT-301 · Edna, TX · Accident · No injuries · Limited investigation · Final report · Jun 30, 1997 · N4396S · Substantial damage
  > failure of the pilot to maintain clearance from a guy wire, during a swath run.
- [NTSB MIA97LA190](https://openairdocs.org/ntsb/MIA97LA190.md): Schweizer G-164B · Edwards, MS · Accident · No injuries · Limited investigation · Final report · Jun 20, 1997 · N6816Q · Substantial damage
  > failure of the distributor drive gear in the right magneto, resulting in loss of engine power and a forced landing. The lack of suitable terrain for a forced landing was a related factor.
- [NTSB ATL97LA087](https://openairdocs.org/ntsb/ATL97LA087.md): Air Tractor AT-301A · Labelle, FL · Accident · No injuries · Limited investigation · Final report · Jun 20, 1997 · N23728 · Substantial damage
  > failure of the pilot to maintain adequate airspeed during a turn-around maneuver, which resulted in an aerodynamic stall/mush and collision with the terrain.
- [NTSB FTW97FA229](https://openairdocs.org/ntsb/FTW97FA229.md): Air Tractor AT-301 · Las Animas, CO · Accident · 1 fatal · Field investigation · Final report · Jun 19, 1997 · N7308E · Destroyed
  > in-flight collision with terrain, while maneuvering, for undetermined reason(s).
- [NTSB FTW97LA228](https://openairdocs.org/ntsb/FTW97LA228.md): Rockwell S-2R · Pond Creek, OK · Accident · No injuries · Limited investigation · Final report · Jun 18, 1997 · N4859X · Destroyed
  > loss of engine power for undetermined reason(s). A factor relating to the accident was: the lack of suitable terrain for a forced landing.
- [NTSB LAX97LA212](https://openairdocs.org/ntsb/LAX97LA212.md): Schweizer G-164B · Rio Linda, CA · Accident · Serious injuries · Limited investigation · Final report · Jun 16, 1997 · N3631G · Substantial damage
  > the pilot's inadequate preflight planning/preparation by failing to ensure that sufficient airspeed would be obtained and/or maintained to remain clear of obstacles at the departure end of the runway. The obstacles (power lines & poles) were a related factor.
- [NTSB CHI97LA126](https://openairdocs.org/ntsb/CHI97LA126.md): Grumman G-164A · Prairie View, KS · Accident · No injuries · Limited investigation · Final report · May 9, 1997 · N7859 · Substantial damage
  > an undetermined event, which resulted in loss of engine power. Factors relating to the accident were: an automobile, which prevented the pilot from landing on a road; and a dirt bank (terrace) in the emergency landing area.
- [NTSB SEA97LA099](https://openairdocs.org/ntsb/SEA97LA099.md): Grumman G-164A · Rosalia, WA · Accident · 1 fatal · Limited investigation · Final report · May 6, 1997 · N7926 · Destroyed
  > The pilot-in-command's failure to maintain clearance with terrain. Factors contributing to the accident were, hilly terrain conditions and impairment due to recent use of marihuana.
- [NTSB CHI97LA106](https://openairdocs.org/ntsb/CHI97LA106.md): Air Tractor AT-401 · Highmore, SD · Accident · Minor injuries · Limited investigation · Final report · Apr 18, 1997 · N1008P · Substantial damage
  > a premature lift-off of the airplane by the pilot in command.
- [NTSB FTW97LA136](https://openairdocs.org/ntsb/FTW97LA136.md): Grumman G-164A · Swifton, AR · Accident · 1 fatal · Limited investigation · Final report · Mar 22, 1997 · N8922H · Destroyed
  > the pilot's improper in-flight planning/decision and failure to maintain positive control of the airplane, while performing an aerobatic maneuver.
- [NTSB FTW97LA137](https://openairdocs.org/ntsb/FTW97LA137.md): Aero Commander S2R · Dilley, TX · Accident · No injuries · Limited investigation · Final report · Mar 21, 1997 · N8985Q · Substantial damage
  > failure of the pilot to maintain adequate airspeed, while maneuvering over high transmission line(s), which resulted in a stall/mush and collision with the terrain. The unfavorable weather condition (with turbulence) and the obstruction (high transmission…
- [NTSB LAX97LA121](https://openairdocs.org/ntsb/LAX97LA121.md): Grumman G-164B · Winters, CA · Accident · No injuries · Limited investigation · Final report · Mar 11, 1997 · N36265 · Substantial damage
  > the failure of the engine cylinder head assembly due to operational fatigue.
- [NTSB LAX97LA099](https://openairdocs.org/ntsb/LAX97LA099.md): Ayres S2R-T65 · Firebaugh, CA · Accident · No injuries · Limited investigation · Final report · Feb 8, 1997 · N3101K · Substantial damage
  > failure of the pilot to compensate for crosswind conditions and to maintain proper runway alignment. Factors relating to the accident were: the crosswind, narrow runway condition, and the soft terrain and ditch beside the runway.

## 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 ('52016'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52016&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.