# NTSB investigations: Pratt & Whitney R-985-AN-1

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 CEN21FA424](https://openairdocs.org/ntsb/CEN21FA424.md): Boeing A75 · Delta, CO · Accident · 1 fatal · Class 3 · Field · Final report · Sep 17, 2021 · N19BB · Substantial damage
  > The pilot’s loss of control during an aerobatic maneuver, resulting in the airplane impacting terrain.
- [NTSB CEN21LA202](https://openairdocs.org/ntsb/CEN21LA202.md): Boeing A75 · Denver, CO · Accident · No injuries · Class 4 · Limited · Final report · Apr 26, 2021 · N56760 · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll with variable and gusty wind conditions.
- [NTSB CEN18LA152](https://openairdocs.org/ntsb/CEN18LA152.md): Grumman G 164A · Garwood, TX · Accident · No injuries · Limited investigation · Final report · Apr 27, 2018 · N6637 · Substantial damage
  > A partial loss of engine power for reasons that could not be determined because postaccident examination of the engine did not reveal any anomalies that would have precluded normal operation.
- [NTSB CEN15LA377](https://openairdocs.org/ntsb/CEN15LA377.md): Grumman G 164B · Sac City, IA · Accident · No injuries · Limited investigation · Final report · Aug 12, 2015 · N311AL · Substantial damage
  > The loss of engine power for reasons that could not be determined based on the available information.
- [NTSB CEN11LA563](https://openairdocs.org/ntsb/CEN11LA563.md): Grumman Acft ENG Cor-Schweizer G-164A · Mansfield, SD · Accident · No injuries · Limited investigation · Final report · Aug 10, 2011 · N127FC · Substantial damage
  > The loss of engine power due to debris in the engine air intake system.
- [NTSB ANC07LA094](https://openairdocs.org/ntsb/ANC07LA094.md): de Havilland DHC-2 MK1 · Kodiak, AK · Accident · No injuries · Limited investigation · Final report · Sep 3, 2007 · N4756T · Substantial damage
  > The pilot's inadequate compensation for wind conditions while water taxiing. A factor contributing to the accident was wind gusts.
- [NTSB ATL00LA087](https://openairdocs.org/ntsb/ATL00LA087.md): Grumman G164A · Dillon, SC · Accident · No injuries · Limited investigation · Final report · Sep 9, 2000 · N7955 · Substantial damage
  > A total loss of engine power due to a cracked cylinder head. A factor was the emergency landing into unsuitable terrain, and the subsequent nose over.
- [NTSB FTW00LA098](https://openairdocs.org/ntsb/FTW00LA098.md): Grumman G-164A · Garwood, TX · Accident · No injuries · Limited investigation · Final report · Mar 13, 2000 · N6637 · Substantial damage
  > The failure of the left magneto, which resulted in the partial loss of engine power during takeoff.
- [NTSB LAX00LA119](https://openairdocs.org/ntsb/LAX00LA119.md): Stearman A-75 · Imperial, CA · Accident · No injuries · Limited investigation · Final report · Mar 7, 2000 · N56760 · Substantial damage
  > The failure of the pilot-in-command to maintain directional control of the aircraft during landing roll.
- [NTSB FTW92LA130](https://openairdocs.org/ntsb/FTW92LA130.md): Grumman G-164A · Fisher, AR · Accident · No injuries · Limited investigation · Final report · May 12, 1992 · N9640 · Substantial damage
  > The loss of complete engine for undetermined reasons. A factor was the low altitude and unsuitable terrain.
- [NTSB LAX86LA215](https://openairdocs.org/ntsb/LAX86LA215.md): Boeing A75 · Angels Camp, CA · Accident · Minor injuries · Limited investigation · Final report · May 10, 1986 · N56760 · Destroyed
  > Numerous ground witnesses observed the aircraft fly low along the river which fed into the new melonies reservoir lake and then collide with unmarked high tension power lines which spanned a narrow portion of the lake. The pilot thought the aircraft was at…
- [NTSB FTW72FPG74](https://openairdocs.org/ntsb/FTW72FPG74.md): Grumman G-164A · Turrell, AR · Accident · No injuries · Closed · May 16, 1972 · N7955 · Substantial damage

## 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 c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('51659'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=51659

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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.