# NTSB investigations: Pratt & Whitney R-985 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 ANC90LA022](https://openairdocs.org/ntsb/ANC90LA022.md): de Havilland DHC-2 · Kodiak, AK · Accident · No injuries · Limited investigation · Final report · Dec 28, 1989 · N67691 · Substantial damage
  > Improper compensation for wind conditions by the pilot, which resulted in loss of aircraft control during takeoff, and subsequent impact with the water. The weather conditions were contributing factors.
- [NTSB MIA90WA015](https://openairdocs.org/ntsb/MIA90WA015.md): Beech G18S · San Andros, Bahamas · Accident · No injuries · Foreign investigation · Oct 20, 1989 · N610RB · Substantial damage
- [NTSB SEA90LA008](https://openairdocs.org/ntsb/SEA90LA008.md): Boeing A75N1 · Salmon, ID · Accident · No injuries · Limited investigation · Final report · Oct 19, 1989 · N75863 · Destroyed
  > Failure of pilot to properly evaluate weather conditions through mountainous terrain and fly at an altitude high enough to maintain terrain clearance.
- [NTSB LAX89DUM04](https://openairdocs.org/ntsb/LAX89DUM04.md): Beech D175 · El Cajon, CA · Accident · No injuries · Final report · Sep 30, 1989 · N9465H · 2 aircraft · Minor damage
  > Inadequate visual lookout by the pilot of the other aircraft (N9645H).
- [NTSB MIA89TL#07](https://openairdocs.org/ntsb/MIA89TL%2307.md): Grumman G-164B · Mims, FL · Accident · No injuries · Class 3 · Final report · Sep 26, 1989 · N6720Q · Substantial damage
- [NTSB MIA89IA247](https://openairdocs.org/ntsb/MIA89IA247.md): Beech G18S · Jackson, MS · Incident · No injuries · Incident investigation · Final report · Sep 13, 1989 · N9604R · Minor damage
  > Failure of the pilot to correctly perform the emergency gear extension procedures. Contributing to the accident was the failure of the normal gear extension system.
- [NTSB MKC89LA189](https://openairdocs.org/ntsb/MKC89LA189.md): Consolidated-Vultee BT-13A · Kansas City, MO · Accident · No injuries · Limited investigation · Final report · Aug 27, 1989 · N63884 · Substantial damage
  > Inadequate control tower service provided by tower personnel, and inadequate remedial action by the vehicle driver. The pilot's lack of visual lookout was considered to be a contributing factor.
- [NTSB DEN89LA201](https://openairdocs.org/ntsb/DEN89LA201.md): Waco UPF7 · Watkins, CO · Accident · No injuries · Limited investigation · Final report · Aug 27, 1989 · N2369Q · Substantial damage
  > Failure of the left brake assembly, and subsequent loss of directional control by the pilot.
- [NTSB CHI89DEX06](https://openairdocs.org/ntsb/CHI89DEX06.md): Grumman G-164A · Sullivan, IN · Accident · No injuries · Final report · Aug 2, 1989 · N952X · Substantial damage
  > A failure of the supercharger oil seal which resulted in a partial loss of engine power during takeoff and the uncontrolled touchdown during the forced landing. Factors related to the accident were: partial failure of the supercharger and spark plub fowling.
- [NTSB SEA89LA138](https://openairdocs.org/ntsb/SEA89LA138.md): Grumman 164B · Hermiston, OR · Accident · No injuries · Limited investigation · Final report · Jul 19, 1989 · N6632Q · Substantial damage
  > The airport owners failure to mark a hidden hazard.
- [NTSB FTW89DRA08](https://openairdocs.org/ntsb/FTW89DRA08.md): Grumman-Schweizer G-164B · Anahuac, TX · Accident · Minor injuries · Final report · Jul 18, 1989 · N6633Q · Destroyed
  > Failure of the supercharger bearing. The dirt bank was a contributing factor.
- [NTSB ANC89LA123](https://openairdocs.org/ntsb/ANC89LA123.md): De Havilland DHC-2 · Kodiak, AK · Accident · Serious injuries · Limited investigation · Final report · Jul 13, 1989 · N5354G · Substantial damage
  > Pilot-in-command's continued VFR flight into know IFR flt conditions, resulting in a collision with rising terrain.
- [NTSB DEN89LA160](https://openairdocs.org/ntsb/DEN89LA160.md): Grumman-Schweizer G-164B · Holden, UT · Accident · No injuries · Limited investigation · Final report · Jul 8, 1989 · N6754Q · Substantial damage
  > The pilot's misjudgement of the effect of high density altitude on a heavily loaded aircraft.
- [NTSB MKC89LA148](https://openairdocs.org/ntsb/MKC89LA148.md): Grumman G-164B · Stockville, NE · Accident · No injuries · Limited investigation · Final report · Jul 2, 1989 · N6629Q · Substantial damage
  > Total failure of the powerplant caused by a broken cylinder.
- [NTSB ANC89LA103](https://openairdocs.org/ntsb/ANC89LA103.md): De Havilland DHC-2 · Iliamna, AK · Accident · Serious injuries · Limited investigation · Final report · Jun 24, 1989 · N5595M · Substantial damage
  > Inadequate annual inspection by maintenance personnel.
- [NTSB FTW89DRD09](https://openairdocs.org/ntsb/FTW89DRD09.md): Schweizer G-164A · Bunkie, LA · Accident · No injuries · Final report · Jun 23, 1989 · N602Y · Substantial damage
  > The loss of the number five cylinder in flight, resulting in a loss of engine RPM. The pilot misjudged the landing flare height due to obscured vision from fire and smoke and the airplane stalled and impacted the ground nose first.
- [NTSB SEA89LA124](https://openairdocs.org/ntsb/SEA89LA124.md): de Havilland DHC-2 · Kassan, AK · Accident · No injuries · Limited investigation · Final report · Jun 21, 1989 · N46DG · Substantial damage
  > The excessive taxi speed used by the pilot in the existing weather conditions. Contributing to the accident was the gusty tailwind.
- [NTSB LAX89LA218](https://openairdocs.org/ntsb/LAX89LA218.md): de Havilland DHC-2 · Trinity Center, CA · Accident · No injuries · Limited investigation · Final report · Jun 17, 1989 · N1215 · Substantial damage
  > An interruption of fuel to the engine for undetermined reasons.
- [NTSB MIA89FA176](https://openairdocs.org/ntsb/MIA89FA176.md): Boeing A-75 · Daytona Beach, FL · Accident · 1 fatal · Field investigation · Final report · Jun 15, 1989 · N57946 · Destroyed
  > The biplane pilot failed to see and avoid the collision with the banner being towed by the other airplane.
- [NTSB FTW89DRD06](https://openairdocs.org/ntsb/FTW89DRD06.md): Grumman-Schweizer G-164B · Ville Platte, LA · Accident · No injuries · Final report · Jun 6, 1989 · N6693Q · Substantial damage
  > Wear and/or failure of the carburetor/float. Factors related to the accident were: the terrain conditions.
- [NTSB FTW89DRA05](https://openairdocs.org/ntsb/FTW89DRA05.md): Boeing A75 · East Bernard, TX · Accident · Minor injuries · Final report · May 19, 1989 · N1722B · Destroyed
  > Water in fuel from improper servicing of the aircraft and improper preflight by the pilot. The tailwind & soft/wet terrain were contributing factors.
- [NTSB CHI89LA088](https://openairdocs.org/ntsb/CHI89LA088.md): Avions Max Holste MH 1521 · Big Rapids, MI · Accident · No injuries · Limited investigation · Final report · May 14, 1989 · N163MH · Substantial damage
  > Inadequate compensation for wind conditions by the pilot and his failure to maintain directional control. The the variable/gusty/crosswind condition was considered to be a contributing factor.
- [NTSB MIA89LA141](https://openairdocs.org/ntsb/MIA89LA141.md): Boeing A75N1 · New Smyrna Bch., FL · Accident · No injuries · Limited investigation · Final report · Apr 28, 1989 · N57946 · Substantial damage
  > The failure of the pilot to adequately preflight the airplane. Contributing to the accident was the pilot's failure to use the brakes to maintain directional control and poor inspection of the airplane by company maintenance personnel.
- [NTSB MKC89LA085](https://openairdocs.org/ntsb/MKC89LA085.md): Grumman G-164A · Advance, MO · Accident · No injuries · Limited investigation · Final report · Mar 25, 1989 · N48385 · Substantial damage
  > The pilot's inadequate visual lookout resulting in his failure to see power lines in time to avoid them. Contributing to the accident was the reduced visibility due to fog.
- [NTSB NYC89LA108](https://openairdocs.org/ntsb/NYC89LA108.md): Beech TC-45J · Johnstown, PA · Accident · No injuries · Limited investigation · Final report · Mar 6, 1989 · N45861 · Substantial damage
  > Failure of the pilot to maintain runway alignment. The crosswind and snow covered runway were related factors.
- [NTSB LAX89DVA06](https://openairdocs.org/ntsb/LAX89DVA06.md): Grumman G-164A · Riverdale, CA · Accident · Serious injuries · Final report · Mar 1, 1989 · N8547H · Destroyed
  > Inadequate visual lookout by the pilot, when he diverted his attention. The power line was a related factor.

## 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 ('52008'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52008&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.