# Final NTSB investigations: Wright R-1820-86

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 ERA16LA328](https://openairdocs.org/ntsb/ERA16LA328.md): North American T28 · Greenwood, MS · Accident · No injuries · Class 3 · Limited · Final report · Sep 23, 2016 · N526D · Substantial damage
  > A total loss of engine power for undetermined reasons.
- [NTSB ERA14FA445](https://openairdocs.org/ntsb/ERA14FA445.md): North American T 28C · Alton, VA · Accident · 2 fatal · Field investigation · Final report · Sep 19, 2014 · N531KG · Destroyed
  > The pilot’s failure to maintain altitude while performing low-level aerobatic maneuvers, which resulted in collision with terrain. Contributing to the accident was the pilot’s improper decision to attempt aerobatics at such a low altitude.
- [NTSB CEN10LA272](https://openairdocs.org/ntsb/CEN10LA272.md): North American T-28A · Oklahoma City, OK · Accident · No injuries · Limited investigation · Final report · May 27, 2010 · N128AF · Substantial damage
  > The failure of the master rod bearing, which resulted in a loss of engine power.
- [NTSB SEA07CA102](https://openairdocs.org/ntsb/SEA07CA102.md): North American Aviation Div. T-28C · Red Lodge, MT · Accident · Minor injuries · Data collection · Final report · Apr 17, 2007 · N464SB · Destroyed
  > The lack of suitable terrain for a forced landing. Contributing factors were the loss of engine power during takeoff for undetermined reasons, and rough/uneven condition of the terrain.
- [NTSB SEA89LA058](https://openairdocs.org/ntsb/SEA89LA058.md): North American T-28A · Jerome, ID · Accident · No injuries · Limited investigation · Final report · Mar 18, 1989 · N128AF · Substantial damage
  > The failure of another person to report a hard landing which resulted in the airplane not being inspected by authorized personnel.
- [NTSB CHI88DEM01](https://openairdocs.org/ntsb/CHI88DEM01.md): North American T-28A · Schoolcraft, MI · Accident · Minor injuries · Final report · Feb 24, 1988 · N14142 · Substantial damage
  > While the pilot was climbing through 7800 MSL he noticed a vapor trail coming from the right exhaust area. The pilot notified approach control that he was returning to the departure airport and they supplied radar vectors. The pilot started a descent and…

## 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."completionStatus" = 'Completed'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('67200'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=67200&status=final

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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.