# NTSB investigations: Allison 250 SER 400HP, 1988

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 MIA89LA024](https://openairdocs.org/ntsb/MIA89LA024.md): Bell 206L · St. Thomas · Accident · Minor injuries · Limited investigation · Final report · Nov 10, 1988 · N16619 · Substantial damage
  > The plt autorotated the helicopter into the water after a loss of power while transitioning from fwd flight to a hover. While landing with the emergency floats armed, he attempted to deploy the floats but was unable. The plt & pax evacuated. The helicopter…
- [NTSB FTW88LA153](https://openairdocs.org/ntsb/FTW88LA153.md): Bell 206B · Pearland, TX · Accident · No injuries · Limited investigation · Final report · Aug 18, 1988 · N16962 · Substantial damage
  > The helicopter was at 300 feet AGL, making an approach after a maintenance test flight, when the engine overtemped and engine power was lost. During the autorotation landing, the helicopter touched down hard. The acft eng began to decelerate prior to…
- [NTSB LAX88LA203](https://openairdocs.org/ntsb/LAX88LA203.md): Bell 206B · Honolulu, HI · Accident · Minor injuries · Limited investigation · Final report · May 30, 1988 · N83203 · Destroyed
  > During a sightseeing flt, just after take off, the helicopter began to spin to the right, the plt tried to correct the situation by applying left rudder. The helicopter continued to spin. The plt reduced the throttle and adjusted the collective. The spin…

## 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") = 1988
  AND 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'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=03013&year=1988

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