# NTSB investigations: Pratt & Whitney R1340 series, MO

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 CEN24LA241](https://openairdocs.org/ntsb/CEN24LA241.md): Air Tractor AT-301 · Andover, MO · Accident · No injuries · Class 4 · Limited · Final report · Jun 27, 2024 · N3165C · Substantial damage
  > The pilot’s inability to maintain altitude and airspeed during cruise flight likely due to a decrease in engine performance associated with the unauthorized use of automobile fuel, which led to an inflight collision with a tree and hard landing.
- [NTSB CEN16LA222](https://openairdocs.org/ntsb/CEN16LA222.md): North American AT-6D · Henley, MO · Accident · Serious injuries · Limited investigation · Final report · Jun 19, 2016 · N150U · Substantial damage
  > The pilot’s decision to conduct extended inverted flight, which resulted in a total loss of engine power due to fuel flow disruption. Contributing to the accident was his decision to conduct aerobatic maneuvers at low altitude, which precluded him from…
- [NTSB CEN12LA440](https://openairdocs.org/ntsb/CEN12LA440.md): Grumman Acft ENG Cor-Schweizer G-164A · Darksville, MO · Accident · 1 fatal · Limited investigation · Final report · Jul 13, 2012 · N6846Q · Substantial damage
  > The pilot did not maintain clearance from a tree line at the completion of an agricultural spray run.
- [NTSB CEN10CA201](https://openairdocs.org/ntsb/CEN10CA201.md): Grumman G-164B · Forest City, MO · Accident · No injuries · Data collection · Final report · Apr 8, 2010 · N993QC · Substantial damage
  > The pilot's failure to maintain aircraft control during landing, which resulted in an encounter with wet/muddy terrain and a subsequent nose over.
- [NTSB CEN10CA185](https://openairdocs.org/ntsb/CEN10CA185.md): Air Tractor AT-301 · Malden, MO · Accident · Minor injuries · Data collection · Final report · Apr 2, 2010 · N3653T · Substantial damage
  > The pilot's failure to maintain clearance from a tree during an aerial application flight.
- [NTSB DFW08LA178](https://openairdocs.org/ntsb/DFW08LA178.md): Grumman G-164 · Stotesbury, MO · Accident · No injuries · Limited investigation · Final report · Jul 3, 2008 · N520Y · Destroyed
  > Fracture of the engine's number eight cylinder barrel resulting in a loss of engine power. Contributing to the accident was the lack of suitable terrain for a forced landing.
- [NTSB CHI98LA202](https://openairdocs.org/ntsb/CHI98LA202.md): Air Tractor AT-301 · Risco, MO · Accident · No injuries · Limited investigation · Final report · Jun 16, 1998 · N36576 · Substantial damage
  > the pilot's abrupt application of the brakes. Factors contributing to this accident were the pilot's inadequate preflight preparation, his delayed decision to abort the takeoff, and the soft field.
- [NTSB CHI96LA119](https://openairdocs.org/ntsb/CHI96LA119.md): Ayres S2-R · Wyatt, MO · Accident · No injuries · Limited investigation · Final report · Mar 26, 1996 · N3024V · Substantial damage
  > the pilot's failure to maintain control of the airplane during takeoff. A factor was the crosswind condition.
- [NTSB CHI95LA265](https://openairdocs.org/ntsb/CHI95LA265.md): Aero Commander S2R · Wyatt, MO · Accident · No injuries · Limited investigation · Final report · Aug 3, 1995 · N5663X · Substantial damage
  > the pilot's failure to use carburetor heat which led to carburetor ice. Factors were weather conditions conducive to carburetor icing and the unsuitable terrain encountered during the forced landing.
- [NTSB CHI95LA247](https://openairdocs.org/ntsb/CHI95LA247.md): Air Tractor AT-301 · Poplar Bluff, MO · Accident · No injuries · Limited investigation · Final report · Jul 26, 1995 · N3655Q · Substantial damage
  > the pilot's inadequate preflight/planning preparation. Factors in the accident were: the loss of engine power due to carburetor icing, the wet runway, and the ditch.
- [NTSB MKC90LA081](https://openairdocs.org/ntsb/MKC90LA081.md): Air Tractor AT-401 · Hornersville, MO · Accident · No injuries · Limited investigation · Final report · Apr 5, 1990 · N1015A · Substantial damage
  > Failure of an engine cylinder.
- [NTSB MKC88LA129](https://openairdocs.org/ntsb/MKC88LA129.md): Grumman G-164 · Baker, MO · Accident · Minor injuries · Limited investigation · Final report · Jul 7, 1988 · N6848K · Substantial damage
  > Witnesses said that shortly after takeoff, the fully loaded acft appeared to be unable to climb out of ground effect. About 1.5 mile from the airstrip, the pilot began a turn back to the north. Unable to climb, he initiated action to dump his chemical load,…
- [NTSB MKC86LA085](https://openairdocs.org/ntsb/MKC86LA085.md): Aero Commander S2R · Jackson, MO · Accident · No injuries · Limited investigation · Final report · Apr 11, 1986 · N5564X · Substantial damage
  > In cruise flt the PIC smelled something burning and noticed black and white smoke pouring fm the eng cowling. This was followed by a partial loss of pwr. A precautionary landing was made in a field. The PIC noticed flames erupting fm the eng area after…
- [NTSB MKC84LA260](https://openairdocs.org/ntsb/MKC84LA260.md): Air Tractor AT-301 · Dexter, MO · Accident · Minor injuries · Limited investigation · Final report · Aug 23, 1984 · N31623 · Substantial damage
  > The engine on the ag-plane lost power during takeoff and the plt began dumping his load as he made a forced landing. Thelanding area available was a flooded rice levee. The acft was landed tailwheel first but when the main gear dug in, the acft nose over.…
- [NTSB MKC84LA200](https://openairdocs.org/ntsb/MKC84LA200.md): Grumman G164A · Bernie, MO · Accident · Minor injuries · Limited investigation · Final report · Jul 3, 1984 · N4796 · Substantial damage
  > Descending out of the procedure turn into a swath run the plt was unable to level the acft in time to avoid flying into the bean field. The acft nosed over on impact and caught fire. Density altitude was about 2,800 ft. acft gross weight was aprx 5,500…
- [NTSB MKC79FCA17](https://openairdocs.org/ntsb/MKC79FCA17.md): Grumman G-164A · Bell City, MO · Accident · Serious injuries · Closed · Jun 9, 1979 · N7499 · Destroyed
- [NTSB MKC78FA051](https://openairdocs.org/ntsb/MKC78FA051.md): N American SNJ-4 · Gravois Mills, MO · Accident · 1 fatal · Closed · Jun 25, 1978 · N9589C · Destroyed
- [NTSB MKC77FCA27](https://openairdocs.org/ntsb/MKC77FCA27.md): Grumman G-164A · Sikeston, MO · Accident · No injuries · Closed · Jul 4, 1977 · N7499 · Substantial damage
- [NTSB MKC75FCA15](https://openairdocs.org/ntsb/MKC75FCA15.md): Beech E18S · Festus, MO · Accident · No injuries · Closed · Nov 3, 1974 · N762SP · Substantial damage
- [NTSB MKC75FCG07](https://openairdocs.org/ntsb/MKC75FCG07.md): Grumman G-164A · St Joseph, MO · Accident · 1 fatal · Closed · Aug 5, 1974 · N6606 · 2 aircraft · Substantial damage
- [NTSB MKC74DCA11](https://openairdocs.org/ntsb/MKC74DCA11.md): Grumman G-164 · Charleston, MO · Accident · No injuries · Closed · Oct 18, 1973 · N7248 · Substantial damage
- [NTSB MKC74FCA10](https://openairdocs.org/ntsb/MKC74FCA10.md): Grumman G-164A · Charleston, MO · Accident · No injuries · Closed · Sep 28, 1973 · N6581 · Substantial damage
- [NTSB MKC72FCA16](https://openairdocs.org/ntsb/MKC72FCA16.md): N.American SNJ-4 · Chesterfield, MO · Accident · No injuries · Closed · Nov 16, 1971 · N1395N · Substantial damage
- [NTSB MKC72DCG30](https://openairdocs.org/ntsb/MKC72DCG30.md): N. American SNJ-5 · Grain Valley, MO · Accident · No injuries · Closed · Oct 25, 1971 · N21JD · Substantial damage
- [NTSB MKC71DCG07](https://openairdocs.org/ntsb/MKC71DCG07.md): Aero Comdr 600S2D · Faucett, MO · Accident · No injuries · Closed · Jul 16, 1970 · N1725S · Substantial damage
- [NTSB MKC67D0576](https://openairdocs.org/ntsb/MKC67D0576.md): Boeing A75N1 · Sedalia, MO · Accident · No injuries · Closed · May 9, 1967 · N61673 · 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."eventStateOrRegion" = 'MO' AND c."eventCountry" = 'USA'
  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&state=MO

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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.