# NTSB investigations: Pratt & Whitney R1340 series, MI

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 CEN21LA352](https://openairdocs.org/ntsb/CEN21LA352.md): North American AT-6F · Adrian, MI · Accident · No injuries · Class 4 · Limited · Final report · Jul 28, 2021 · N6601C · Substantial damage
  > The loss of control during landing due to the out of rig condition of the tailwheel which resulted in a ground loop and impact with the runway.
- [NTSB GAA16CA338](https://openairdocs.org/ntsb/GAA16CA338.md): North American SNJ · Jackson, MI · Accident · No injuries · Data collection · Final report · Jun 25, 2016 · N7980C · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll, which resulted in a runway excursion, right main landing gear collapse, and impact with the ground.
- [NTSB CEN16TA194](https://openairdocs.org/ntsb/CEN16TA194.md): North American AT6 · Mason, MI · Accident · No injuries · Final report · May 18, 2016 · N757LF · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll in gusting crosswind conditions, which resulted in a runway excursion and impact with a ditch.
- [NTSB CEN13LA422](https://openairdocs.org/ntsb/CEN13LA422.md): Grumman Aircraft Cor-Schweizer G-164A · Elmira, MI · Accident · Serious injuries · Limited investigation · Final report · Jul 17, 2013 · N8719H · Substantial damage
  > The pilot's failure to maintain clearance from a line of trees while applying agricultural product to a field.
- [NTSB CEN12LA324](https://openairdocs.org/ntsb/CEN12LA324.md): North American T-6G · Perry, MI · Accident · 1 fatal · Limited investigation · Final report · May 28, 2012 · N3753G · Substantial damage
  > The pilot’s failure to maintain control while maneuvering at low altitude after takeoff, resulting in a collision with a barn.
- [NTSB CHI06CA195](https://openairdocs.org/ntsb/CHI06CA195.md): Grumman G-164A · Lakeview, MI · Accident · No injuries · Data collection · Final report · Jul 20, 2006 · N5068 · Substantial damage
  > A loss of engine power for undetermined reasons. A factor associated with the accident was the low altitude at which the airplane was being operated when the loss of engine power occurred.
- [NTSB CHI05CA207](https://openairdocs.org/ntsb/CHI05CA207.md): Allied Ag Cat Productions G-164A · Trufant, MI · Accident · No injuries · Data collection · Final report · Jul 31, 2005 · N8951H · Substantial damage
  > The pilot's inadequate visual lookout and not maintaining clearance from the watering pivot during the aerial application maneuver and the unsuitable terrain he encountered during the emergency landing. A factor was the sunglare encountered.
- [NTSB CHI03LA170](https://openairdocs.org/ntsb/CHI03LA170.md): Air Tractor AT-301 · Covert, MI · Accident · No injuries · Limited investigation · Final report · Jun 20, 2003 · N3659T · Substantial damage
  > Failure of the pilot to verify fuel quantity prior to the accident flight, and fuel exhaustion resulting in a loss of engine power. Contributing factors were the soft, rough, unsuitable terrain for a forced landing.
- [NTSB CHI02LA238](https://openairdocs.org/ntsb/CHI02LA238.md): Schweizer G-164B · Sturgis, MI · Accident · No injuries · Limited investigation · Final report · Aug 7, 2002 · N8444K · Substantial damage
  > The failure of the turbine section of the engine, and the unsuitable terrain encountered for the forced landing. The low altitude was a factor.
- [NTSB CHI00LA257](https://openairdocs.org/ntsb/CHI00LA257.md): Ayres S2R-600 · Bad Axe, MI · Accident · 1 fatal · Limited investigation · Final report · Aug 14, 2000 · N3103B · Destroyed
  > The inadvertent stall/spin encountered by the pilot. A factor was the low altitude.
- [NTSB CHI98LA290](https://openairdocs.org/ntsb/CHI98LA290.md): Air Tractor AT-301 · Mentha, MI · Accident · No injuries · Limited investigation · Final report · Jul 31, 1998 · N3659T · Substantial damage
  > the pilot's improper inflight decision to land the airplane on the gravel covered road with an uneven surface that had corn growing next to its edge. A factor in this accident was the pilot selecting an unsuitable landing area.
- [NTSB CHI85LA360](https://openairdocs.org/ntsb/CHI85LA360.md): Schweizer G164A "450" · Constantine, MI · Accident · No injuries · Limited investigation · Final report · Aug 29, 1985 · N8444K · Substantial damage
  > The acft nosed over during a forced landing in a corn fld. The plt stated that at 30 ft AGL during his second swath run the eng backfired and lost pwr. He attempted to dump the load however, the acft continued to loose alt and the forced landing resulted.…
- [NTSB CHI81FEM30](https://openairdocs.org/ntsb/CHI81FEM30.md): Grumman G-164A · Howard City, MI · Accident · No injuries · Closed · Jul 23, 1981 · N5083 · Substantial damage
- [NTSB CHI76FEC55](https://openairdocs.org/ntsb/CHI76FEC55.md): Grumman G-164A · Sandusky, MI · Accident · No injuries · Closed · Aug 18, 1976 · N6608 · Substantial damage
- [NTSB CHI76FET49](https://openairdocs.org/ntsb/CHI76FET49.md): Grumman G-164A · Coldwater, MI · Accident · No injuries · Closed · Aug 17, 1976 · N9722 · Substantial damage
- [NTSB CHI76FEM03](https://openairdocs.org/ntsb/CHI76FEM03.md): Grumman G-164A · Hudsonville, MI · Accident · No injuries · Closed · Jul 21, 1975 · N8609H · Substantial damage
- [NTSB CHI74FEC41](https://openairdocs.org/ntsb/CHI74FEC41-201655.md): Aero Comdr 600S2R · Ottowa Lake, MI · Accident · No injuries · Closed · Jun 29, 1973 · N8870Q · Substantial damage
- [NTSB CHI70AC092](https://openairdocs.org/ntsb/CHI70AC092.md): N.American AT6-F · Ann Arbor, MI · Accident · 2 fatal · Closed · Jun 23, 1970 · N445C · Destroyed
- [NTSB CHI70F0084](https://openairdocs.org/ntsb/CHI70F0084.md): N.American AT-6 · Ann Arbor, MI · Accident · Minor injuries · Closed · Jun 29, 1969 · N7987C · Destroyed

## 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" = 'MI' 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=MI

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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.