# NTSB investigations: Pratt & Whitney R1340 series, NE

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 CEN25LA191](https://openairdocs.org/ntsb/CEN25LA191.md): Air Tractor AT-401 · Hamlet, NE · Accident · No injuries · Class 4 · Limited · Final report · Jun 2, 2025 · N60057 · Substantial damage
  > The pilot's failure to maintain clearance from the power lines during low altitude maneuvering.
- [NTSB CEN20CA347](https://openairdocs.org/ntsb/CEN20CA347.md): Grumman G164 · Scottsbluff, NE · Accident · Minor injuries · Class 4 · Data collection · Final report · Aug 18, 2020 · N48416 · Substantial damage
  > The pilot’s loss of visual reference during agricultural low-level flight, resulting in collision with power lines.
- [NTSB GAA15CA266](https://openairdocs.org/ntsb/GAA15CA266.md): Schweizer G 164B · Paxton, NE · Accident · Minor injuries · Data collection · Final report · Sep 16, 2015 · N3628Z · Substantial damage
  > The pilot's failure to maintain adequate distance from a power line during low altitude flight operations, which resulted in an impact with the power line, and subsequent impact with the ground.
- [NTSB CEN12CA274](https://openairdocs.org/ntsb/CEN12CA274.md): Air Tractor AT-301 · Cedar Bluffs, NE · Accident · No injuries · Data collection · Final report · May 3, 2012 · N3166W · Substantial damage
  > The pilot's improper fuel management, which resulted in a loss of engine power due to fuel exhaustion.
- [NTSB CEN09LA574](https://openairdocs.org/ntsb/CEN09LA574.md): Grumman Acft ENG Cor-Schweizer G-164A · Kimball, NE · Accident · No injuries · Limited investigation · Final report · Sep 8, 2009 · N6761Q · Substantial damage
  > A loss of engine power due to improper installation of an oil line fitting resulting in oil depletion.
- [NTSB CHI06CA235](https://openairdocs.org/ntsb/CHI06CA235.md): Grumman-Schweizer G-164A · Gering, NE · Accident · No injuries · Data collection · Final report · Aug 10, 2006 · N48461 · Substantial damage
  > The pilot's failure to maintain clearance from the power lines during the aerial application flight. Factors were the low altitude and power lines.
- [NTSB CHI03LA132](https://openairdocs.org/ntsb/CHI03LA132.md): Grumman G-164A · North Platte, NE · Accident · No injuries · Limited investigation · Final report · May 20, 2003 · N7855 · Substantial damage
  > The pilot's failure to maintain directional control and the collapse of the main landing gear. A factor to the accident was the quartering tailwind.
- [NTSB CHI01LA286](https://openairdocs.org/ntsb/CHI01LA286.md): Grumman-Schweizer G-164A · Petersburg, NE · Accident · No injuries · Limited investigation · Final report · Aug 16, 2001 · N4598 · Substantial damage
  > The failure of the engine cylinder, and the unsuitable terrain for landing encountered by the pilot. Factors were the low altitude and the muddy field.
- [NTSB CHI01IA246](https://openairdocs.org/ntsb/CHI01IA246.md): Air Tractor AT-401 · Kenesaw, NE · Incident · No injuries · Incident investigation · Final report · Jul 27, 2001 · N4553K · Minor damage
  > The propeller blade fatigue leading to its tip separating during an aerial application. Factors were no suitable terrain for an emergency landing, high vegetation, and soft terrain encountered during the emergency landing.
- [NTSB CHI01LA242](https://openairdocs.org/ntsb/CHI01LA242.md): Ag-Cat G-164B · Wallace, NE · Accident · No injuries · Limited investigation · Final report · Jul 26, 2001 · N80083 · Substantial damage
  > The inadequate preflight planning by the pilot, the pilot initiating the flight with an inadequate fuel supply, and the unsuitable terrain encountered during the forced landing. Factors were the fuel exhaustion, the low altitude and the soft field.
- [NTSB CHI00LA247](https://openairdocs.org/ntsb/CHI00LA247.md): Schweizer G-164B · Wallace, NE · Accident · No injuries · Limited investigation · Final report · Aug 8, 2000 · N3629D · Substantial damage
  > the fractured number three exhaust push rod assembly and the unsuitable terrain encountered by the pilot.
- [NTSB MKC86LA122](https://openairdocs.org/ntsb/MKC86LA122.md): Grumman G-164A · Bayard, NE · Accident · No injuries · Limited investigation · Final report · Aug 29, 1986 · N7364 · Substantial damage
  > The plt stated he encountered downdrafts near trees he was going to overfly while in a turnaround maneuver to spray crops. Instead of flying over the trees, the plt stated that the acft descended into the ground near the trees while in the turn. Wind…
- [NTSB MKC84LA214](https://openairdocs.org/ntsb/MKC84LA214.md): Grumman G-164B · Brule, NE · Accident · No injuries · Limited investigation · Final report · Jul 13, 1984 · N6825K · Substantial damage
  > According to the pilot, during the swath run the left wing dropped and the acft flew into the corn field. Density altitude was aprx 5,200 ft.
- [NTSB MKC76DCJ34](https://openairdocs.org/ntsb/MKC76DCJ34.md): Aero Comdr 600S2R · Norfolk, NE · Accident · No injuries · Closed · May 22, 1976 · N1740S · Substantial damage
- [NTSB MKC71FCJ64](https://openairdocs.org/ntsb/MKC71FCJ64.md): Snow 600S2C · Falls City, NE · Accident · No injuries · Closed · May 19, 1971 · N1692S · 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" = 'NE' 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=NE

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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.