# NTSB investigations: Pratt & Whitney R-985 series, 1990

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 CHI91LA004](https://openairdocs.org/ntsb/CHI91LA004.md): Beech E-18 · Minneapolis, MN · Accident · No injuries · Limited investigation · Final report · Oct 5, 1990 · N703M · Substantial damage
  > Failure of the pilot-in-command to maintain directional control of the aircraft during landing roll.
- [NTSB ATL90LA181](https://openairdocs.org/ntsb/ATL90LA181.md): Schweizer G-164B · Minturn, SC · Accident · No injuries · Limited investigation · Final report · Sep 26, 1990 · N36303 · Substantial damage
  > A previously fractured main wheel which had resulted from a hard landing. A factor in the accident was inadequate inspection by the operator.
- [NTSB SEA90LA196](https://openairdocs.org/ntsb/SEA90LA196.md): Beech C-45H · Twin Falls, ID · Accident · Minor injuries · Limited investigation · Final report · Sep 24, 1990 · N450G · Substantial damage
  > The pilot's inability to maintain directional control during a takeoff in strong crosswind conditions.
- [NTSB DEN90LA186](https://openairdocs.org/ntsb/DEN90LA186.md): Beech D17S · Englewood, CO · Accident · Minor injuries · Limited investigation · Final report · Sep 14, 1990 · N16M · Substantial damage
  > Improper planning/decision by the pilot and inadequate visual lookout by the vehicle driver, which resulted in their failure to assure clearance between the vehicle and aircraft. Factors related to the accident were: sunglare and the pilot's restricted view…
- [NTSB ATL90LA171](https://openairdocs.org/ntsb/ATL90LA171.md): Grumman G-164A · Americus, GA · Accident · No injuries · Limited investigation · Final report · Sep 14, 1990 · N7905 · Destroyed
  > A low cycle fatigue failure of the left main landing gear spring.
- [NTSB ANC90LA169](https://openairdocs.org/ntsb/ANC90LA169.md): Beech H-18S · Deering, AK · Accident · No injuries · Limited investigation · Final report · Sep 7, 1990 · N135W · Substantial damage
  > The pilot-in-command's failure to maintain directional control of the airplane on landing.
- [NTSB CHI90LA256](https://openairdocs.org/ntsb/CHI90LA256.md): Boeing B75N1 · Marseilles, IL · Accident · Serious injuries · Limited investigation · Final report · Sep 5, 1990 · N62438 · Substantial damage
  > The pilot-in-command's failure to maintain adequate visual outlook to avoid collision with a wire while conducting intentional low level flight.
- [NTSB ANC90LA162](https://openairdocs.org/ntsb/ANC90LA162.md): De Havilland DHC-2 · Alagnak River, AK · Accident · No injuries · Limited investigation · Final report · Aug 31, 1990 · N24BR · Substantial damage
  > The pilot-in-command's inadequate preflight planning/preparation, his selection of unsuitable terrain, and his delay in aborting the takeoff.
- [NTSB CHI90LA223](https://openairdocs.org/ntsb/CHI90LA223.md): Stearman E-75 · Mt. Grove, MO · Accident · No injuries · Limited investigation · Final report · Aug 6, 1990 · N5368N · Substantial damage
  > The pilot's inadequate maintenance and servicing of the aircraft. A factor was water contamination in fuel tank.
- [NTSB CHI90LA206](https://openairdocs.org/ntsb/CHI90LA206.md): Beech D17S · Oelwein, IA · Accident · No injuries · Limited investigation · Final report · Jul 27, 1990 · N480 · Substantial damage
  > Inadequate visual outlook by the pilot in command.
- [NTSB FTW90DRD14](https://openairdocs.org/ntsb/FTW90DRD14.md): Grumman G-164A · Sommerset, LA · Accident · 1 fatal · Final report · Jul 25, 1990 · N7854 · Destroyed
  > The pilot's failure to attain adequate clearance above crops at the end of the runway.
- [NTSB ANC90LA102](https://openairdocs.org/ntsb/ANC90LA102.md): Grumman G21 · King Salmon, AK · Accident · Minor injuries · Limited investigation · Final report · Jun 30, 1990 · N7811 · Substantial damage
  > The pilot failed to adequately compensate for the prevailing wind conditions and his failure to maintain directional control. A contributing factor was the strong crosswind component.
- [NTSB ANC90LA098](https://openairdocs.org/ntsb/ANC90LA098.md): De Havilland DHC-2 · Caribou Lake, AK · Accident · No injuries · Limited investigation · Final report · Jun 27, 1990 · N5147G · Substantial damage
  > A power loss caused by the failure of a piston cylinder.
- [NTSB MKC90LA134](https://openairdocs.org/ntsb/MKC90LA134.md): Weatherly 201-B · Stuttgart, AR · Accident · No injuries · Limited investigation · Final report · Jun 16, 1990 · N1260W · Substantial damage
  > Fuel exhaustion induced power loss caused by the pilot's failure to refuel the airplane.
- [NTSB LAX90LA221](https://openairdocs.org/ntsb/LAX90LA221.md): Grumman G21A · Long Beach, CA · Accident · Serious injuries · Limited investigation · Final report · Jun 16, 1990 · N86640 · Substantial damage
  > The pilot's failure to retract the landing gear resulting in an inadvertent wheels-down landing in water. In addition, a loss of elevator control was encountered due to a stress corrosion failure of an elevator control cable turnbuckle as a result of…
- [NTSB FTW90DRD10](https://openairdocs.org/ntsb/FTW90DRD10.md): Grumman G-164B · Mamou, LA · Accident · No injuries · Final report · Jun 4, 1990 · N6693Q · Substantial damage
  > Pilot misjudged wind information. Factors contributing to the accident were the tailwind, the trees and the levee.
- [NTSB CHI90DEV04](https://openairdocs.org/ntsb/CHI90DEV04.md): Grumman G-164B · Princeton, IL · Accident · No injuries · Final report · May 18, 1990 · N6695Q · Substantial damage
  > The pilot-in-command's failure to maintain adequate clearance from obstacles during flight at low altitude, resulting in wire strike.
- [NTSB LAX90DVA03](https://openairdocs.org/ntsb/LAX90DVA03.md): Naval Aircraft Factory N3N-3 · Madera, CA · Accident · Serious injuries · Final report · May 5, 1990 · N45184 · Destroyed
  > The pilot inadvertently descending into the ground. Contributing to the accident was the inflight opening of the hopper lid which partially obscured the pilot's vision.
- [NTSB FTW90DRD05](https://openairdocs.org/ntsb/FTW90DRD05.md): Schweizer G-164B · Reeves, LA · Accident · No injuries · Final report · Apr 13, 1990 · N48455 · Substantial damage
  > Loss of engine power due to a frozen rocker arm.
- [NTSB FTW90DPA01](https://openairdocs.org/ntsb/FTW90DPA01.md): Grumman G-164B · Bonham, TX · Accident · No injuries · Final report · Apr 4, 1990 · N48372 · Substantial damage
  > A power loss for undetermined reasons. A factor was the lack of suitable terrain for the forced landing.
- [NTSB MIA90WA095](https://openairdocs.org/ntsb/MIA90WA095.md): Beech H-18 · Nassau, Bahamas · Accident · No injuries · Foreign investigation · Mar 25, 1990 · N7952K · Substantial damage
- [NTSB MKC90LA067](https://openairdocs.org/ntsb/MKC90LA067.md): Grumman AG-CAT G-164A · Parkin, AR · Accident · No injuries · Limited investigation · Final report · Mar 17, 1990 · N5336 · Substantial damage
  > Total failure of the engine's master connecting rod.
- [NTSB FTW90DRD03](https://openairdocs.org/ntsb/FTW90DRD03.md): Grumman G-164A · Glynn, LA · Accident · No injuries · Final report · Feb 22, 1990 · N930X · Substantial damage
  > Loss of directional control on the ground, due to intermittent locking of the right brake during the landing roll.
- [NTSB CHI90LA072](https://openairdocs.org/ntsb/CHI90LA072.md): Beech E18S · Oak Creek, WI · Accident · No injuries · Limited investigation · Final report · Jan 25, 1990 · N48K · Substantial damage
  > Improper planning/decision by the pilot. Factors related to the accident were: the adverse weather conditions, accumulation of structural and/or induction ice, and dark night.
- [NTSB ANC90FA027](https://openairdocs.org/ntsb/ANC90FA027.md): Beech E18F · Anchorage, AK · Accident · No injuries · Field investigation · Final report · Jan 15, 1990 · N900TH · Substantial damage
  > Inadequate supervision by company/operator personnel and inadequate preflight planning/preparation by the captain, which resulted in an improperly loaded aircraft.

## 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") = 1990
  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=1990

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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.