# NTSB investigations: Pratt & Whitney R1340 series, LA: Loss of engine power(total) - mech failure/malf

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 FTW04CA246](https://openairdocs.org/ntsb/FTW04CA246.md): Grumman G-164A · Gilbert, LA · Accident · No injuries · Data collection · Final report · Sep 28, 2004 · N8661H · Substantial damage
  > The failure of a piston connecting rod for undetermined reasons resulting in the loss of engine power. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW02LA107](https://openairdocs.org/ntsb/FTW02LA107.md): Grumman-Schweizer G-164B · Ferriday, LA · Accident · No injuries · Limited investigation · Final report · Mar 28, 2002 · N8498K · Substantial damage
  > the failure of the number three cylinder exhaust rocker arm, resulting in a total loss of engine power. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW01LA178](https://openairdocs.org/ntsb/FTW01LA178.md): Air Tractor AT-401 · Grand Coteau, LA · Accident · No injuries · Limited investigation · Final report · Aug 9, 2001 · N10140 · Substantial damage
  > the loss of engine power while maneuvering, which resulted from a fractured #4 cylinder head at the exhaust valve rocker arm boss. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW00LA074](https://openairdocs.org/ntsb/FTW00LA074.md): Air Tractor AT-401 · Rayville, LA · Accident · No injuries · Limited investigation · Final report · Jan 25, 2000 · N91968 · Substantial damage
  > The loss of engine power due to a crack in the #6 cylinder. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW87DRD07](https://openairdocs.org/ntsb/FTW87DRD07.md): Grumman G-164B · Chenneyville, LA · Accident · No injuries · Final report · Jun 26, 1987 · N7500K · Substantial damage
  > The engine experienced a total loss of power due to a failed #1 connecting rod. During the forced landing the left wing contacted cotton plants which caused the aircraft to veer left and flip inverted.
- [NTSB FTW86FRD11](https://openairdocs.org/ntsb/FTW86FRD11.md): Grumman G-164A · Crowley, LA · Accident · No injuries · Final report · Mar 31, 1986 · N4561 · Substantial damage
  > The acft crashed into wires and a house during an attempted forced landing. The plt was preparing to do rice seeding when the eng began to backfire & lose power. The plt was trying to return to the ag strip when the eng quit and he was forced to land. Eng…
- [NTSB FTW83LA366](https://openairdocs.org/ntsb/FTW83LA366.md): Grumman G-164A · Jennings, LA · Accident · No injuries · Limited investigation · Final report · Aug 6, 1983 · N7396 · Substantial damage
  > The acft nosed over during a forced landing after the engine quit shortly after takeoff. The main landing gear mired in soft plowed earth and the acft nosed over during landing. The takeoff gross weight was 5290 lbs. After the accident the engine tear down…
- [NTSB FTW82DA350](https://openairdocs.org/ntsb/FTW82DA350.md): Air Tractor AT-301 · Winnesboro, LA · Accident · No injuries · Final report · Aug 26, 1982 · N4342S · Destroyed
  > The pilot was circling the field during alignment for his initial swath run when the aircraft engine failed. During the forced landing the aircraft nosed over and the pilot exited the aircraft without turning off any switches. He stated that fuel was leaking…
- [NTSB FTW82DA239](https://openairdocs.org/ntsb/FTW82DA239.md): Grumman G-164A · Jennings, LA · Accident · No injuries · Final report · Jun 22, 1982 · N9684 · Substantial damage
  > The pilot had just finished spraying and was on his way back to the airport when the engine failed. A field with grass was selected for an emergency landing. During the landing roll, the aircraft encountered ruts and nosed over. The operator reported that the…

## 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" = 'LA' 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')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 351))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52016&occurrence=351&state=LA

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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.