# NTSB investigations: Allison 250 SER 400HP: Roll over

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 IAD01LA041](https://openairdocs.org/ntsb/IAD01LA041.md): Bell BH-206-B · Ringgold, VA · Accident · Minor injuries · Limited investigation · Final report · Apr 8, 2001 · N17HA · Substantial damage
  > pilot's failure to properly control the helicopter during a slope landing, which resulted in a dynamic rollover.
- [NTSB LAX97LA317](https://openairdocs.org/ntsb/LAX97LA317.md): Bell 206B · Napa, CA · Accident · Minor injuries · Limited investigation · Final report · Sep 8, 1997 · N770GG · Substantial damage
  > Failure of the pilot to perform an adequate preflight, which resulted in him failing to notice and release the tie down chains.
- [NTSB LAX96LA346](https://openairdocs.org/ntsb/LAX96LA346.md): Bell 206B · Fillmore, CA · Accident · No injuries · Limited investigation · Final report · Sep 30, 1996 · N59576 · Substantial damage
  > the flight instructor's inadequate supervision and delay in taking remedial action to stop the aircraft's lateral movement, which resulted in a dynamic rollover after touchdown.
- [NTSB LAX95LA052](https://openairdocs.org/ntsb/LAX95LA052.md): Bell 206B · Julian, CA · Accident · No injuries · Limited investigation · Final report · Dec 15, 1994 · N37AJ · Substantial damage
  > the failure of the pilot to maintain a proper alignment during hover in a mountainous area.
- [NTSB FTW93LA090](https://openairdocs.org/ntsb/FTW93LA090.md): Bell 206B · Oklahoma City, OK · Accident · Minor injuries · Limited investigation · Final report · Feb 23, 1993 · N224TV · Substantial damage
  > The passengers inadvertent control interference. A factor was the pilot's inadequate supervision of the passenger
- [NTSB ANC83FA066](https://openairdocs.org/ntsb/ANC83FA066.md): Bell 206B · Stony River, AK · Accident · Serious injuries · Field investigation · Final report · Apr 6, 1983 · N376KA · Substantial damage
  > The plt was on an external load operation with a 100 ft long line. The long line had 4 remote hooks, of which, 3 had cable bags attached. While waiting for the 4th bag to be filled, he decided to land in an open area. He set the external load down & laid the…
- [NTSB FTW83LA099](https://openairdocs.org/ntsb/FTW83LA099.md): Bell 206L-1 · Grand Isle B43q · Accident · Minor injuries · Limited investigation · Final report · Jan 27, 1983 · N5012T · Substantial damage
  > Due to the location of a gas separator, the plt started to takeoff from an oil rig platform with a left cross- wind at aprx 30 KTS, gusting 35 to 40 KTS. After lifting off to a hover, wind gusts were encountered. The plt reported that the acft turned 10 to 15…

## 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 ('03013', '03012')
    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" = 380))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=03013&occurrence=380

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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.