# NTSB investigations: Pratt & Whitney R1340 series, GA: 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 ATL03LA122](https://openairdocs.org/ntsb/ATL03LA122.md): Air Tractor AT401B · Girard, GA · Accident · No injuries · Limited investigation · Final report · Jul 30, 2003 · N61227 · Substantial damage
  > A loss of engine power due to the failure of the internal supercharger blower seals.
- [NTSB MIA96LA122](https://openairdocs.org/ntsb/MIA96LA122.md): Grumman G-164A · Edison, GA · Accident · Minor injuries · Limited investigation · Final report · Apr 18, 1996 · N4238 · Substantial damage
  > Failure of the mounting studs for the No. 4 cylinder, which resulted in separation of the cylinder and loss of engine power. The lack of suitable terrain for a forced landing was a related factor.
- [NTSB ATL95LA169](https://openairdocs.org/ntsb/ATL95LA169.md): Air Tractor AT-301 · Plains, GA · Accident · Minor injuries · Limited investigation · Final report · Sep 16, 1995 · N2362D · Substantial damage
  > Failure of the number four cylinder rocker arm housing and pin, which resulted in a closed exhaust valve and loss of engine power.
- [NTSB ATL94LA128](https://openairdocs.org/ntsb/ATL94LA128.md): Air Tractor AT-301 · Smithville, GA · Accident · Minor injuries · Limited investigation · Final report · Jul 2, 1994 · N3649B · Destroyed
  > The failure of # 2 cylinder head.
- [NTSB ATL91LA059](https://openairdocs.org/ntsb/ATL91LA059.md): Air Tractor AT-301 · Pavo, GA · Accident · No injuries · Limited investigation · Final report · Feb 18, 1991 · N8770S · Substantial damage
  > The failure of the no. 2 exhaust valve and cylinder head, which resulted in a total loss of engine power. A factor in the accident was the collision with a road sign during the forced landing.
- [NTSB ATL89DKG05](https://openairdocs.org/ntsb/ATL89DKG05.md): Grumman G-164A · Dawson, GA · Accident · Minor injuries · Final report · Jul 31, 1989 · N9755 · Substantial damage
  > Failure of the number three cylinder head.
- [NTSB MIA85LA222](https://openairdocs.org/ntsb/MIA85LA222.md): Rockwell S-2R · Colquitt, GA · Accident · No injuries · Limited investigation · Final report · Jul 30, 1985 · N3647X · Substantial damage
  > The aircraft was substantially damaged and the pilot uninjured when the aircraft flipped upside down in a field during a forced landing in an open field following engine failure. A post accident examination of the engine revealed the number seven cylinder…
- [NTSB ATL85LKG04](https://openairdocs.org/ntsb/ATL85LKG04.md): Aero Commander S2R · Leslie, GA · Accident · No injuries · Final report · Apr 10, 1985 · N8834Q · Destroyed
  > The acft lost power en route to spray crops & crash landed in a wooded area. The acft had flown only 2 miles when the power loss occurred. During the post accident investigation an exam of the powerplant & systems revealed that the supercharger had a loose…
- [NTSB ATL83LA326](https://openairdocs.org/ntsb/ATL83LA326.md): Grumman G-164A · Hatley, GA · Accident · Minor injuries · Limited investigation · Final report · Aug 15, 1983 · N7904 · Destroyed
  > The pilot reported that while spraying a cotton field at aprx 60 feet AGL when the engine made a popping sound and then lost power. The pilot landed in a cotton field where the aircraft rolled over on its back and was destroyed by the post impact fire.…
- [NTSB ATL83LA225](https://openairdocs.org/ntsb/ATL83LA225.md): Air Tractor AT-301 · Fort Valley, GA · Accident · Minor injuries · Limited investigation · Final report · Jun 9, 1983 · N5071S · Substantial damage
  > The eng quit at 200 ft AGL as the plt was returning to a strip. A forced landing was made in a wheat field & the acft rolled through a narrow tree line. The carb float was found cracked & leaking.
- [NTSB ATL83LA205](https://openairdocs.org/ntsb/ATL83LA205.md): Grumman G-164B · Blakely, GA · Accident · No injuries · Limited investigation · Final report · Jun 1, 1983 · N8476K · Destroyed
  > Shortly after takeoff, the eng sputtered, lost power & belched black & gray smoke. The plt was unable to get the acft to maintain altidude. Also, he was unable to reach an open field, so he landed on the tops of trees. An investigation revealed that the front…

## 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" = 'GA' 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=GA

---
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.