# NTSB investigations: Wright R-1820 series: Loss of control - in flight

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 LAX04LA259](https://openairdocs.org/ntsb/LAX04LA259.md): North American T28B · Apple Valley, CA · Accident · No injuries · Limited investigation · Final report · Jul 11, 2004 · N5832X · Substantial damage
  > The pilot's failure to maintain an adequate airspeed during the conclusion of a low pass, which led to a stall/mush.
- [NTSB FTW02FA112](https://openairdocs.org/ntsb/FTW02FA112.md): North American T-28B · Uvalde, TX · Accident · 1 fatal · Field investigation · Final report · Apr 4, 2002 · N13RW · Destroyed
  > The pilot's failure to maintain control of the aircraft for undetermined reasons.
- [NTSB LAX91LA140](https://openairdocs.org/ntsb/LAX91LA140.md): Sikorsky S-58J · Chowchilla, CA · Accident · Serious injuries · Limited investigation · Final report · Mar 22, 1991 · N27AR · Substantial damage
  > 1) The pilot not following the performance data for the aircraft, and 2) the pilot's inflight decision to turn the aircraft, which was at or near maximum gross weight, in such a direction that required more power than was available for the given flight…
- [NTSB LAX84FA220](https://openairdocs.org/ntsb/LAX84FA220.md): North American T-28B · Rialto, CA · Accident · 2 fatal · Field investigation · Final report · Mar 16, 1984 · N14110 · Destroyed
  > Plt was authorized by acft owner to test fly the acft around the traffic pattern with a local FBO owner on board. Plt made 3 flts, last of which culminated in the accident. On the first and third flts, unauthorized passengers were on board. FBO owner stated…
- [NTSB DEN83FA058](https://openairdocs.org/ntsb/DEN83FA058.md): North American T-28A · N. Winter Park, CO · Accident · 1 fatal · Field investigation · Final report · Feb 12, 1983 · N28TW · Destroyed
  > According to the surviving passenger (the plt's 15 yr old son), they saw some skiers after crossing over a mountain pass. He stated that as they turned, his father said, 'let's buzz them.' He reported that they turned sharply, 'sort of dove down to buzz…

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('67020')
    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" = 250))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=67020&occurrence=250

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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.