# NTSB investigations: Pratt & Whitney R1340 series, 1989

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 LAX90DVG02](https://openairdocs.org/ntsb/LAX90DVG02.md): Schweizer G-164B · Knights Landing, CA · Accident · No injuries · Final report · Nov 18, 1989 · N6977K · Substantial damage
  > The failure of the right main Landing gear due to a sheared bolt that attached the spring leg to the gear.
- [NTSB LAX90LA004](https://openairdocs.org/ntsb/LAX90LA004.md): North American SNJ-5 · Pacoima, CA · Accident · No injuries · Limited investigation · Final report · Oct 3, 1989 · N12377 · Substantial damage
  > The pilot's misjudgement of the proper altitude and distance from the runway during a night approach.
- [NTSB ATL90LA003](https://openairdocs.org/ntsb/ATL90LA003.md): North American AT-6D · Albemarle, NC · Accident · No injuries · Limited investigation · Final report · Oct 2, 1989 · N350HT · Substantial damage
  > The pilot's failure to maintain directional control of the airplane.
- [NTSB LAX89DUG09](https://openairdocs.org/ntsb/LAX89DUG09.md): Air Tractor AT-301A · Blythe, CA · Accident · No injuries · Final report · Sep 22, 1989 · N3654N · Substantial damage
  > The pilot's failure to verify the fuel supply prior to takeoff.
- [NTSB ANC89LA156](https://openairdocs.org/ntsb/ANC89LA156.md): de Havilland DHC-3 · Sheenjek River, AK · Accident · No injuries · Limited investigation · Final report · Sep 2, 1989 · N17689 · Substantial damage
  > Failure of the pilot to go around when he was unable to attain the proper touchdown point and his excessive application of brakes during the landing. Contributing factors were: the downdraft, excessive remedial action, and soft terrain.
- [NTSB MKC89LA190](https://openairdocs.org/ntsb/MKC89LA190.md): Air Tractor AT-401 · Wabbaseka, AR · Accident · No injuries · Limited investigation · Final report · Aug 26, 1989 · N10103 · Substantial damage
  > Improper planning/decision by the pilot which resulted in his failure to maintain clearance from the tall vegetation (grass). The tall vegetation & high density altitude were considered to be contributing factors.
- [NTSB LAX89DVA09](https://openairdocs.org/ntsb/LAX89DVA09.md): Aero Commander S2R · Tranquillity, CA · Accident · No injuries · Final report · Aug 11, 1989 · N4072X · Substantial damage
  > The pilot's visual look-out was inadequate and that he failed to see the high vegetation upon landing. Factors relating to this accident are dark night and high vegetation.
- [NTSB FTW89DQG05](https://openairdocs.org/ntsb/FTW89DQG05.md): Schweizer G-164A · Sunray, TX · Accident · No injuries · Final report · Aug 11, 1989 · N7903 · Substantial damage
  > A total power loss for undetermined reasons. A factor was the rough uneven terrain in which the pilot had to make the forced landing.
- [NTSB FTW89DRG04](https://openairdocs.org/ntsb/FTW89DRG04.md): Schweizer G-164B · Austwell, TX · Accident · No injuries · Final report · Aug 2, 1989 · N7501Q · Substantial damage
  > Pilot's selection of an unsuitable landing area (terrain). High vegetation and rough terrain were contributing factors.
- [NTSB CHI89DEP10](https://openairdocs.org/ntsb/CHI89DEP10.md): Air Tractor AT-301 · Plainfield, WI · Accident · 1 fatal · Final report · Aug 1, 1989 · N5044S · Destroyed
  > Failure of the pilot-in-command to maintain control of the aircraft while conducting aerial application maneuvers in close proximity to the terrain.
- [NTSB ATL89DKG05](https://openairdocs.org/ntsb/ATL89DKG05.md): Grumman G-164A · Dawson, GA · Accident · Minor injuries · Final report · Jul 31, 1989 · N9755 · Substantial damage
  > Failure of the number three cylinder head.
- [NTSB FTW89DRD12](https://openairdocs.org/ntsb/FTW89DRD12.md): Schweizer G-164B · Donaldsonville, LA · Accident · No injuries · Final report · Jul 29, 1989 · N8172K · Substantial damage
  > Loss of engine power for undetermined reasons. A contributing factor was the soft terrain.
- [NTSB MKC89LA170](https://openairdocs.org/ntsb/MKC89LA170.md): Grumman G-164B · Portland, AR · Accident · No injuries · Limited investigation · Final report · Jul 28, 1989 · N8116K · Substantial damage
  > Engine failure due to failure of an engine cylinder.
- [NTSB SEA89LA135](https://openairdocs.org/ntsb/SEA89LA135.md): Grumman G-164A · Albion, ID · Accident · Minor injuries · Limited investigation · Final report · Jul 19, 1989 · N8377 · Substantial damage
  > The pilot's improper use of the mixture control during takeoff. The fence was a related factor.
- [NTSB MIA89LA203](https://openairdocs.org/ntsb/MIA89LA203.md): Grumman G-164A · Schlater, MS · Accident · No injuries · Limited investigation · Final report · Jul 19, 1989 · N4579 · Substantial damage
  > Inadequate preflight planning/preparation by the pilot which resulted in the selection of the wrong runway. The tailwindand dirt bank were considered to be contributing factors.
- [NTSB FTW89DRD11](https://openairdocs.org/ntsb/FTW89DRD11.md): Schweizer G-164A · Lake Arthur, LA · Accident · No injuries · Final report · Jul 19, 1989 · N48377 · Substantial damage
  > Loss of engine power for undetermined reasons. The high weeds (vegetation) & levee (dirt bank) were considered to be related factors.
- [NTSB LAX89DVG07](https://openairdocs.org/ntsb/LAX89DVG07.md): Schweizer G-164B · Willows, CA · Accident · No injuries · Final report · Jul 4, 1989 · N3627G · Substantial damage
  > Failure of the connecting rod on #1 cylinder of the aircraft powerplant.
- [NTSB MKC89LA150](https://openairdocs.org/ntsb/MKC89LA150.md): Aero Commander S2R · Jonesboro, AR · Accident · No injuries · Limited investigation · Final report · Jul 3, 1989 · N8976Q · Destroyed
  > The pilot's encounter with unsuitable terrain during a forced landing made necessary by the separation of three feet of one of the propeller blades.
- [NTSB FTW89DRG08](https://openairdocs.org/ntsb/FTW89DRG08.md): Air Tractor AT-301 · Rio Hondo, TX · Accident · No injuries · Final report · Jun 27, 1989 · N4448S · Substantial damage
  > Improper compensation for wind conditions by the pilot. Factors related to the accident were the adverse wind conditions.
- [NTSB SEA89LA121](https://openairdocs.org/ntsb/SEA89LA121.md): Grumman-Schweizer G-164A · Colfax, WA · Accident · No injuries · Limited investigation · Final report · Jun 24, 1989 · N8974H · Substantial damage
  > Improper installation of the cylinder assembly. The terrain was not suitable for a successful forced landing.
- [NTSB CHI89LA111](https://openairdocs.org/ntsb/CHI89LA111.md): Boeing E75 · Shelbyville, IN · Accident · No injuries · Limited investigation · Final report · Jun 17, 1989 · N43YP · Substantial damage
  > The pilot allowed his attention to be devaited, misjudged altitude and distance to the runway while on final approach, and failed to maintain clearance above the power lines. Contributing factors were: the power lines and parked aircraft.
- [NTSB FTW89DRD07](https://openairdocs.org/ntsb/FTW89DRD07.md): Grumman-Schweizer G-164A · Morse, LA · Accident · No injuries · Final report · Jun 15, 1989 · N8916H · Substantial damage
  > Loss of engine power for an undetermined reason. The soft terrain was a contributing factor.
- [NTSB MKC89LA129](https://openairdocs.org/ntsb/MKC89LA129.md): Gulfstream-Schweizer G-164B · Wynne, AR · Accident · Minor injuries · Limited investigation · Final report · Jun 7, 1989 · N8063K · Substantial damage
  > Unsuitable terrain selected by the pilot. A contributing factor was the rough/uneven landing area.
- [NTSB MIA89LA166](https://openairdocs.org/ntsb/MIA89LA166.md): Ayres S2R · Lambert, MS · Accident · Serious injuries · Limited investigation · Final report · May 28, 1989 · N5543X · Destroyed
  > Failure of the engine impeller. The ditch in the emergency landing area was a related factor.
- [NTSB SEA89LA096](https://openairdocs.org/ntsb/SEA89LA096.md): Schweizer G-164 · Hermiston, OR · Accident · No injuries · Limited investigation · Final report · May 26, 1989 · N8768H · Substantial damage
  > Failure and separation of the left main landing wheel.
- [NTSB MIA89LA157](https://openairdocs.org/ntsb/MIA89LA157.md): Air Tractor AT-301 · Arcola, MS · Accident · No injuries · Limited investigation · Final report · May 26, 1989 · N73089 · Substantial damage
  > The circumferential on the number 2 cylinder which resulted in a loss of engine power.
- [NTSB ATL89DKJ03](https://openairdocs.org/ntsb/ATL89DKJ03.md): Grumman G-164A · Loxley, AL · Accident · No injuries · Final report · May 22, 1989 · N8881H · Substantial damage
  > The loss of engine power due to carburetor ice, and the pilot's improper use of carburetor heat.
- [NTSB LAX89DVG06](https://openairdocs.org/ntsb/LAX89DVG06.md): Grumman G-164B · Davis, CA · Accident · No injuries · Final report · May 14, 1989 · N3629Y · Substantial damage
  > The pilot failed to properly use his brakes during the off airport landing.
- [NTSB FTW89DRG05](https://openairdocs.org/ntsb/FTW89DRG05.md): Grumman-Schweizer G-164 · Edcouch, TX · Accident · No injuries · Final report · May 6, 1989 · N4591 · Substantial damage
  > Loss of engine power for an undetermined reason. The corn crop was a contributing factor.
- [NTSB SEA89LA071](https://openairdocs.org/ntsb/SEA89LA071.md): Air Tractor AT-301 · Grangeville, ID · Accident · Minor injuries · Limited investigation · Final report · Apr 17, 1989 · N4340S · Substantial damage
  > A partial power loss due to a blower failure. A factor related to the accident was the soft field condition.
- [NTSB MKC89LA091](https://openairdocs.org/ntsb/MKC89LA091.md): Air Tractor AT-301 · Roseau, MN · Accident · No injuries · Limited investigation · Final report · Apr 15, 1989 · N23702 · Substantial damage
  > Fuel starvation due to fuel ice.
- [NTSB MIA89LA130](https://openairdocs.org/ntsb/MIA89LA130.md): North American SNJ-5 · Lakeland, FL · Accident · No injuries · Limited investigation · Final report · Apr 13, 1989 · N15HB · Substantial damage
  > The pilot's failure to maintain directional control, which resulted in an inadvertent ground loop.
- [NTSB FTW89DPJ03](https://openairdocs.org/ntsb/FTW89DPJ03.md): Air Tractor 301 · Jefferson, OK · Accident · No injuries · Final report · Apr 7, 1989 · N4369S · Substantial damage
  > Loss of engine power, due to a cracked number 4 cylinder. A factor related to the accident was: the terrace (dirt bank) in the emergency landing area.
- [NTSB MKC89LA079](https://openairdocs.org/ntsb/MKC89LA079.md): Grumman G-164A · Stuttgart, AR · Accident · Minor injuries · Limited investigation · Final report · Mar 11, 1989 · N9874 · Substantial damage
  > Failure of the engine blower assembly drive shaft, while maneuvering at low altitude, and failure of the pilot to maintain adequate airspeed, which resulted in a stall before he could land.
- [NTSB LAX89LA114](https://openairdocs.org/ntsb/LAX89LA114.md): North American AT-6 · Compton, CA · Accident · Minor injuries · Limited investigation · Final report · Feb 23, 1989 · N6972C · Substantial damage
  > Fatigue cracks that existed in an engine cylinder.
- [NTSB ATL89DKG01](https://openairdocs.org/ntsb/ATL89DKG01.md): Grumman G-164A · Dawson, GA · Accident · No injuries · Final report · Feb 10, 1989 · N9755 · Substantial damage
  > Total loss of engine power due to leaking carburetor float. Contributing to the accident was the soft terrain used for a 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 year(c."eventDate") = 1989
  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=1989

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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.