# NTSB investigations: Pratt & Whitney R1340 series, 1995

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 FTW96LA070](https://openairdocs.org/ntsb/FTW96LA070.md): Grumman G-164B · Pawnee, OK · Accident · No injuries · Limited investigation · Final report · Dec 13, 1995 · N6642K · Substantial damage
  > The pilot's failure to maintain adequate clearance from the terrain.
- [NTSB LAX96LA012](https://openairdocs.org/ntsb/LAX96LA012.md): Grumman G-164B · Lost Hills, CA · Accident · Minor injuries · Limited investigation · Final report · Oct 16, 1995 · N8247K · Destroyed
  > the pilot misjudged the aircraft's altitude.
- [NTSB FTW96LA007](https://openairdocs.org/ntsb/FTW96LA007.md): Grumman G-164A · Hamburg, AR · Accident · Minor injuries · Limited investigation · Final report · Oct 5, 1995 · N9873 · Substantial damage
  > Loss of engine power due to a cylinder failure. A factor relating to the accident was: the lack of suitable terrain for the forced landing.
- [NTSB ATL95LA169](https://openairdocs.org/ntsb/ATL95LA169.md): Air Tractor AT-301 · Plains, GA · Accident · Minor injuries · Limited investigation · Final report · Sep 16, 1995 · N2362D · Substantial damage
  > Failure of the number four cylinder rocker arm housing and pin, which resulted in a closed exhaust valve and loss of engine power.
- [NTSB FTW95LA362](https://openairdocs.org/ntsb/FTW95LA362.md): Air Tractor AT-301 · Dalhart, TX · Accident · No injuries · Limited investigation · Final report · Aug 22, 1995 · N3169U · Substantial damage
  > the pilot's failure to maintain control of the airplane during takeoff.
- [NTSB MIA95LA192](https://openairdocs.org/ntsb/MIA95LA192.md): Schweizer G-164B · Quitman, MS · Accident · No injuries · Limited investigation · Final report · Aug 5, 1995 · N7502A · Substantial damage
  > Improper (low) outflow from the fuel control unit, due to improper maintenance, which resulted in a loss of engine power and a forced landing.
- [NTSB CHI95LA260](https://openairdocs.org/ntsb/CHI95LA260.md): Schweizer G-164A-450 · Grand Forks, ND · Accident · Minor injuries · Limited investigation · Final report · Aug 5, 1995 · N7994 · Substantial damage
  > the pilot's failure to maintain clearance with transmission wires. A factor in the accident was the sunglare.
- [NTSB CHI95LA265](https://openairdocs.org/ntsb/CHI95LA265.md): Aero Commander S2R · Wyatt, MO · Accident · No injuries · Limited investigation · Final report · Aug 3, 1995 · N5663X · Substantial damage
  > the pilot's failure to use carburetor heat which led to carburetor ice. Factors were weather conditions conducive to carburetor icing and the unsuitable terrain encountered during the forced landing.
- [NTSB LAX95LA276](https://openairdocs.org/ntsb/LAX95LA276.md): North American AT-6B · Glendale, AZ · Accident · No injuries · Limited investigation · Final report · Aug 1, 1995 · N105DG · 2 aircraft · Minor damage
  > The failure of the pilot of the other aircraft to follow pre-briefed instructions and failure to see and avoid the preceding aircraft awaiting takeoff.
- [NTSB LAX95LA274](https://openairdocs.org/ntsb/LAX95LA274.md): North American AT-6F · Long Beach, CA · Accident · No injuries · Limited investigation · Final report · Jul 28, 1995 · N3173L · Substantial damage
  > the failure of the left main landing gear locking mechanism to fully seat in the 'down' position due to loose attachment bolts.
- [NTSB FTW95LA322](https://openairdocs.org/ntsb/FTW95LA322.md): Rockwell S-2R · Edna, TX · Accident · No injuries · Limited investigation · Final report · Jul 28, 1995 · N4182X · Substantial damage
  > The collapsing of the landing gear for undetermined reasons.
- [NTSB CHI95LA247](https://openairdocs.org/ntsb/CHI95LA247.md): Air Tractor AT-301 · Poplar Bluff, MO · Accident · No injuries · Limited investigation · Final report · Jul 26, 1995 · N3655Q · Substantial damage
  > the pilot's inadequate preflight/planning preparation. Factors in the accident were: the loss of engine power due to carburetor icing, the wet runway, and the ditch.
- [NTSB SEA95LA161](https://openairdocs.org/ntsb/SEA95LA161.md): Air Tractor AT-301 · Havre, MT · Accident · No injuries · Limited investigation · Final report · Jul 24, 1995 · N3660U · Substantial damage
  > the loss of power due to a failure of the cylinder head exhaust valve rocker box. The tall crop encountered during the forced landing is a factor.
- [NTSB CHI95LA219](https://openairdocs.org/ntsb/CHI95LA219.md): Air Tractor AT-301 · Grygla, MN · Accident · No injuries · Limited investigation · Final report · Jul 12, 1995 · N8673S · Substantial damage
  > The pilot's failure to maintain altitude and/or clearance at the beginning of the spray run. A factor was turbulence due to the different Air temperatures of adjoining terrain.
- [NTSB FTW95LA301](https://openairdocs.org/ntsb/FTW95LA301.md): Air Tractor AT-401 · Cash, AR · Accident · No injuries · Limited investigation · Final report · Jul 11, 1995 · N1004W · Substantial damage
  > Engine power loss due to partial failure of one magneto combined with total failure of the other magneto. A factor was the lack of suitable terrain for a forced landing.
- [NTSB MIA95LA180](https://openairdocs.org/ntsb/MIA95LA180.md): Air Tractor AT-401 · Clewiston, FL · Accident · No injuries · Limited investigation · Final report · Jul 10, 1995 · N9186J · Substantial damage
  > Improper weather evaluation by the pilot in command while attempting to takeoff with a quartering tailwind associated with a nearby thunderstorm and failure of the pilot to maintain directional control.
- [NTSB SEA95LA138](https://openairdocs.org/ntsb/SEA95LA138.md): Grumman G-164A · Burley, ID · Accident · No injuries · Limited investigation · Final report · Jul 8, 1995 · N8946H · Substantial damage
  > A total loss of engine power due to fatigue failure of the crankshaft. A factor in the accident was the lack of suitable terrain for the forced landing.
- [NTSB FTW95LA283](https://openairdocs.org/ntsb/FTW95LA283.md): Aero Commander S2R · Widener, AR · Accident · No injuries · Limited investigation · Final report · Jul 7, 1995 · N8972Q · Substantial damage
  > Loss of engine power for an undetermined reason. The proximity of power lines (obstruction) was a related factor.
- [NTSB SEA95LA143](https://openairdocs.org/ntsb/SEA95LA143.md): Aero Commander S2R · Odessa, WA · Accident · No injuries · Limited investigation · Final report · Jul 6, 1995 · N3662X · Substantial damage
  > Loss of engine power due to a cracked cylinder.
- [NTSB FTW95LA282](https://openairdocs.org/ntsb/FTW95LA282.md): Aero Commander S2R · Newport, AR · Accident · No injuries · Limited investigation · Final report · Jul 6, 1995 · N5654X · Substantial damage
  > A disconnected throttle push pull rod, due to inadequate maintenance. A factor relating to the accident was: the lack of suitable terrain for the forced landing.
- [NTSB FTW95LA263](https://openairdocs.org/ntsb/FTW95LA263.md): Grumman G-164A · Cheneyville, LA · Accident · No injuries · Limited investigation · Final report · Jun 27, 1995 · N8685H · Substantial damage
  > The pilot's failure to maintain adequate airspeed at a low altitude.
- [NTSB CHI95LA198](https://openairdocs.org/ntsb/CHI95LA198.md): Air Tractor AT-301 · Hoxie, KS · Accident · No injuries · Limited investigation · Final report · Jun 11, 1995 · N23477 · Substantial damage
  > the loss of engine power due to the loose nut on the adjustment screw and the jammed exhaust valve on the number three cylinder. A factor in the accident was the ditch.
- [NTSB FTW95LA233](https://openairdocs.org/ntsb/FTW95LA233.md): Schweizer G-164B · Collegeport, TX · Accident · No injuries · Limited investigation · Final report · Jun 3, 1995 · N7501P · Substantial damage
  > The pilot's improper planning/decision by attempting to takeoff in an overweight condition from an 1,800 foot runway. Factors were the wet and soft condition of the runway.
- [NTSB CHI95LA163](https://openairdocs.org/ntsb/CHI95LA163.md): Schweizer G-164B · E. Grand Forks, MN · Accident · No injuries · Limited investigation · Final report · Jun 1, 1995 · N6682K · Substantial damage
  > The pilot's failure to maintain clearance with the wires.
- [NTSB SEA95LA108](https://openairdocs.org/ntsb/SEA95LA108.md): Air Tractor AT-301A · Terreton, ID · Accident · Minor injuries · Limited investigation · Final report · May 29, 1995 · N31580 · Substantial damage
  > The pilot's failure to maintain an adequate altitude to overcome the downdraft. The downdraft was a factor.
- [NTSB LAX95LA195](https://openairdocs.org/ntsb/LAX95LA195.md): Grumman G-164B · Robbins, CA · Accident · No injuries · Limited investigation · Final report · May 25, 1995 · N6774K · Substantial damage
  > a loss of engine power due to a separation of the number 6 cylinder, and the nose over during the subsequent forced landing.
- [NTSB CHI95LA158](https://openairdocs.org/ntsb/CHI95LA158.md): Air Tractor AT301 · Clark, SD · Accident · No injuries · Limited investigation · Final report · May 24, 1995 · N4353S · Substantial damage
  > the failure of the pilot to refuel prior to fuel exhaustion. A factor in the accident was the pilot's excessive braking.
- [NTSB FTW95LA213](https://openairdocs.org/ntsb/FTW95LA213.md): Air Tractor AT-301 · Caldwell, AR · Accident · No injuries · Limited investigation · Final report · May 19, 1995 · N3655Z · Substantial damage
  > The loss of power due to a crack in the #4 cylinder. Factors were the lack of suitable terrain for the forced landing and proper touchdown point not possible.
- [NTSB FTW95LA205](https://openairdocs.org/ntsb/FTW95LA205.md): Grumman G-164B · St Martinville, LA · Accident · Serious injuries · Limited investigation · Final report · May 17, 1995 · N8365K · Destroyed
  > The pilot's failure to maintain control of the aircraft. A factor was the high winds.
- [NTSB FTW95LA202](https://openairdocs.org/ntsb/FTW95LA202.md): Grumman-Schweizer G-164A · Joes, CO · Accident · No injuries · Limited investigation · Final report · May 14, 1995 · N9506 · Substantial damage
  > A total loss of power due to fuel exhaustion. Factors were: a malfunction in the fuel measuring system, the pilot's failure to perform fuel consumption calculations, and soft and unsuitable terrain for a forced landing.
- [NTSB LAX95LA186](https://openairdocs.org/ntsb/LAX95LA186.md): Grumman 164A · Richvale, CA · Accident · Minor injuries · Limited investigation · Final report · May 11, 1995 · N8507H · Substantial damage
  > the pilot's failure to maintain a glidepath adequate to avoid an obstacle, and his inadequate compensation for the wind.
- [NTSB FTW95LA145](https://openairdocs.org/ntsb/FTW95LA145.md): Aero Commander S2R · Gillett, AR · Accident · No injuries · Limited investigation · Final report · Mar 23, 1995 · N5561X · Substantial damage
  > The engine main rod bearing seized to the crankshaft due to worn master rod metal pieces blocking the oil passages. A factor was an engine overhaul was not performed by company maintenance personnel.
- [NTSB LAX95LA126](https://openairdocs.org/ntsb/LAX95LA126.md): Schweizer G-164A · Robbins, CA · Accident · No injuries · Limited investigation · Final report · Mar 4, 1995 · N5450 · Substantial damage
  > A failure of the engine master rod. A factor in the accident was the soft, wet condition of the field available for the forced landing.
- [NTSB SEA95LA057](https://openairdocs.org/ntsb/SEA95LA057.md): North American AT-6G · Salem, OR · Accident · No injuries · Limited investigation · Final report · Feb 25, 1995 · N4269E · Substantial damage
  > The pilot-in-command's failure to maintain directional control during the landing rollout.
- [NTSB LAX95LA091](https://openairdocs.org/ntsb/LAX95LA091.md): Grumman G-164B · Pixley, CA · Accident · No injuries · Limited investigation · Final report · Feb 1, 1995 · N705Y · Substantial damage
  > the total failure of the number three cylinder. The wet and soft terrain were factors in this accident.

## 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") = 1995
  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=1995

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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.