# NTSB investigations: Pratt & Whitney R1340 series, 2012

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 ERA13LA029](https://openairdocs.org/ntsb/ERA13LA029.md): Grumman Acft ENG Cor-Schweizer G-164B · Edison, GA · Accident · Minor injuries · Limited investigation · Final report · Oct 19, 2012 · N6670K · Substantial damage
  > The total loss of engine power due to the fatigue failure of the k-pin associated with the No. 1 cylinder.
- [NTSB WPR12CA403](https://openairdocs.org/ntsb/WPR12CA403.md): Ayres S2R-R1340 · Brawley, CA · Accident · Minor injuries · Data collection · Final report · Sep 7, 2012 · N4020A · Substantial damage
  > The pilot's decision to attempt to takeoff in high temperatures with a tailwind. Contributing to the accident was the sun glare.
- [NTSB CEN12LA589](https://openairdocs.org/ntsb/CEN12LA589.md): Air Tractor AT-301 · Ralls, TX · Accident · Minor injuries · Limited investigation · Final report · Aug 29, 2012 · N23960 · Substantial damage
  > The total loss of engine power due to a fatigue failure of the rocker arm journal casting of the rocker arm cap.
- [NTSB CEN12CA544](https://openairdocs.org/ntsb/CEN12CA544.md): Schweizer, N36289 G-164B · Kaplan, LA · Accident · Serious injuries · Data collection · Final report · Aug 15, 2012 · N36289 · Substantial damage
  > The pilot's failure to maintain clearance from power lines during the aerial application flight.
- [NTSB WPR12LA356](https://openairdocs.org/ntsb/WPR12LA356.md): Rockwell S2R · Royal City, WA · Accident · Minor injuries · Limited investigation · Final report · Aug 14, 2012 · N8468V · Substantial damage
  > The loss of engine power due to the separation of the No. 2 cylinder exhaust rocker boss housing, which prevented the exhaust valve from opening.
- [NTSB CEN12LA513](https://openairdocs.org/ntsb/CEN12LA513.md): Grumman Acft ENG Cor G-164A · La Salle, CO · Accident · Minor injuries · Limited investigation · Final report · Aug 1, 2012 · N9822 · Substantial damage
  > The loss of engine power due to the detached distributor rotor.
- [NTSB CEN12LA491](https://openairdocs.org/ntsb/CEN12LA491.md): Grumman G-164A · Fergus Falls, MN · Accident · No injuries · Limited investigation · Final report · Jul 20, 2012 · N4638 · Substantial damage
  > A total loss of engine power due to a cracked No. 2 cylinder head.
- [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 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 WPR12LA233](https://openairdocs.org/ntsb/WPR12LA233.md): Grumman Acft ENG Cor-Schweizer G-164A · Wilton, CA · Accident · No injuries · Limited investigation · Final report · May 27, 2012 · N8380 · Substantial damage
  > The failure of the hopper gate mechanism and subsequent sulfur fire during a low-level maneuver.
- [NTSB WPR12CA229](https://openairdocs.org/ntsb/WPR12CA229.md): Rockwell International S-2R · Royal City, WA · Accident · No injuries · Data collection · Final report · May 24, 2012 · N8468V · Substantial damage
  > The pilot’s failure to maintain adequate clearance from an object during an aerial application, which resulted in damage to the landing gear and led to the airplane ground looping during the subsequent landing.
- [NTSB CEN12LA357](https://openairdocs.org/ntsb/CEN12LA357.md): Rockwell International S-2R · Howard, SD · Accident · No injuries · Limited investigation · Final report · May 23, 2012 · N8421V · Substantial damage
  > A fractured fabricated aluminum oil line, which resulted in oil exhaustion followed by a forced landing.
- [NTSB CEN12CA313](https://openairdocs.org/ntsb/CEN12CA313.md): Ayres S2R-R1340 · Clear Lake, SD · Accident · Serious injuries · Data collection · Final report · May 23, 2012 · N30951 · Substantial damage
  > The pilot's failure to perform a detailed observation of the power lines before beginning the aerial application work, which resulted in an inadvertent collision with the two lower wires.
- [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 CEN12CA264](https://openairdocs.org/ntsb/CEN12CA264.md): Air Tractor AT-301A · Cheyenne Wells, CO · Accident · No injuries · Data collection · Final report · Mar 15, 2012 · N7306C · Substantial damage
  > The pilot’s inadequate compensation for the wind conditions during takeoff.
- [NTSB WPR12CA103](https://openairdocs.org/ntsb/WPR12CA103.md): Rockwell International S-2R · Yellow Pine, ID · Accident · No injuries · Data collection · Final report · Feb 5, 2012 · N4894X · Substantial damage
  > The pilot did not reduce the airplane’s descent rate prior to the landing flare/touchdown, which resulted in a hard landing.

## 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 year(c."eventDate") = 2012
  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&year=2012

---
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.