# NTSB investigations: Pratt & Whitney R-2000 series

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 ANC21LA001](https://openairdocs.org/ntsb/ANC21LA001.md): Douglas C54 · Yakataga, AK · Accident · No injuries · Class 4 · Limited · Final report · Oct 10, 2020 · N96358 · Substantial damage
  > The pilots’ decision to land on a wet, soft runway, which resulted in the loss of braking action upon landing and a subsequent runway overrun and nose landing gear collapse.
- [NTSB GAA16CA462](https://openairdocs.org/ntsb/GAA16CA462.md): Air Tractor AT · Hondo, TX · Accident · No injuries · Data collection · Final report · Sep 5, 2016 · N31627 · Substantial damage
  > The pilot’s failure to maintain clearance from an antenna atop a tower while maneuvering at a low altitude and the airplane’s subsequent impact with terrain during an attempted off-airport landing.
- [NTSB DFW07LA152](https://openairdocs.org/ntsb/DFW07LA152.md): Air Tractor AT-400 · Delhi, LA · Accident · Serious injuries · Limited investigation · Final report · Jul 8, 2007 · N3164N · Substantial damage
  > the pilot's failure to maintain control of the airplane while practicing aerial application turns over a field.
- [NTSB ANC07LA040](https://openairdocs.org/ntsb/ANC07LA040.md): Douglas DC-4 · McGrath, AK · Accident · No injuries · Limited investigation · Final report · May 30, 2007 · N898AT · Substantial damage
  > An undershoot and collision with the runway when the pilot misjudged the distance/altitude during the landing flare/touchdown.
- [NTSB DEN05LA106](https://openairdocs.org/ntsb/DEN05LA106.md): Clarke YAK 3UR 2000 · Heber City, UT · Accident · Serious injuries · Limited investigation · Final report · Jul 9, 2005 · N134US · Substantial damage
  > loss of engine power due to a leaking carburetor and an inoperative float, and the pilot's failure to maintain aircraft control during the restart attempt. Contributing factors were the sudden engine power surge during the attempted restart, and unsuitable…
- [NTSB LAX03LA063](https://openairdocs.org/ntsb/LAX03LA063.md): Davis YAK-3 UR-2000 · Parker, AZ · Accident · Serious injuries · Limited investigation · Final report · Jan 10, 2003 · N498SD · Substantial damage
  > failure of the propeller shaft extension mechanism resulting in a loss of power, and the pilot's failure to attain the proper touchdown point.
- [NTSB ANC01LA129](https://openairdocs.org/ntsb/ANC01LA129.md): de Havilland C-7A · Port Alsworth, AK · Accident · Minor injuries · Limited investigation · Final report · Aug 30, 2001 · N2225C · Substantial damage
  > The captain's failure to maintain the proper glidepath, and improper short field landing procedures. Factors in the accident were a downdraft, and the captain's inadequate evaluation of the weather conditions.
- [NTSB LAX95TA304](https://openairdocs.org/ntsb/LAX95TA304.md): Douglas C-54G · Aubeery, CA · Accident · No injuries · Final report · Aug 23, 1995 · N2742G · Substantial damage
  > failure of the pilot to see and avoid known obstacles along his route of flight. Contributing was the insufficient information given by the pilot in the lead aircraft.
- [NTSB MIA84LA228](https://openairdocs.org/ntsb/MIA84LA228.md): Douglas C-54 · Ft.Lauderdale, FL · Accident · No injuries · Limited investigation · Final report · Aug 14, 1984 · N74183 · Substantial damage
  > The acft had returned for precautionary landing after #4 engine vibration was noted 10 mins into the flt. Acft landed 4000 lbs over max allowable landing wt. After #4 engine examination the acft was released for flight. An exchangeof pilot in command was made…
- [NTSB MIA76OM011](https://openairdocs.org/ntsb/MIA76OM011.md): Douglas C-54B · Grand Turk, Tokelau · Accident · No injuries · Closed · Sep 16, 1976 · N88939 · Substantial damage
- [NTSB OAK76IP059](https://openairdocs.org/ntsb/OAK76IP059.md): Douglas C-54B · Chico, CA · Incident · No injuries · Closed · Jun 28, 1976 · N74183 · Minor damage
- [NTSB MIA68A0092](https://openairdocs.org/ntsb/MIA68A0092.md): Douglas DC3C · Jacksonville, FL · Accident · No injuries · Closed · May 3, 1968 · N88829 · 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 ('52023'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52023

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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.