# NTSB investigations: Allison 250 SER 250HP

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.

Page 6 of 6 · 267 cases

## Cases, newest first

- [NTSB OAK71DVG45](https://openairdocs.org/ntsb/OAK71DVG45.md): Hiller Acft FH1100 · Burney, CA · Accident · No injuries · Closed · Dec 22, 1970 · N434FH · Substantial damage
- [NTSB ANC71AA024](https://openairdocs.org/ntsb/ANC71AA024.md): Bell 206A · Sagwon, AK · Accident · Minor injuries · Closed · Oct 23, 1970 · N7890S · Substantial damage
- [NTSB CHI71FCA03](https://openairdocs.org/ntsb/CHI71FCA03.md): Hughes 369 · Wood River, IL · Accident · No injuries · Closed · Oct 21, 1970 · N9041F · Substantial damage
- [NTSB ANC71DAA21](https://openairdocs.org/ntsb/ANC71DAA21.md): Bell 206A · Anaktvk Pass, AK · Accident · Minor injuries · Closed · Oct 10, 1970 · N7865S · Substantial damage
- [NTSB NYC71DHJ05](https://openairdocs.org/ntsb/NYC71DHJ05.md): Bell 206A · Southampton, NY · Accident · Minor injuries · Closed · Aug 25, 1970 · N11DL · Substantial damage
- [NTSB ANC71AA009](https://openairdocs.org/ntsb/ANC71AA009.md): Bell 206A · Fairbanks, AK · Accident · 1 fatal · Closed · Aug 1, 1970 · N6253N · Substantial damage
- [NTSB ANC70IA092](https://openairdocs.org/ntsb/ANC70IA092.md): Hiller Acft FH1100 · Delta Junctn, AK · Incident · No injuries · Closed · Jun 22, 1970 · N590FH · Minor damage
- [NTSB ANC70AA064](https://openairdocs.org/ntsb/ANC70AA064.md): Bell 206A · Chignik, AK · Accident · No injuries · Closed · Mar 19, 1970 · N1416W · Substantial damage
- [NTSB MIA70FKA05](https://openairdocs.org/ntsb/MIA70FKA05.md): Hiller Acft FH1100 · San Juan, PR · Accident · No injuries · Closed · Mar 15, 1970 · N382FH · Substantial damage
- [NTSB ANC70A0012](https://openairdocs.org/ntsb/ANC70A0012.md): Hiller Acft FH1100 · Fairbanks, AK · Accident · No injuries · Closed · Aug 3, 1969 · N421FH · Substantial damage
- [NTSB ANC70A0004](https://openairdocs.org/ntsb/ANC70A0004.md): Bell 206A · Barrow, AK · Accident · No injuries · Closed · Jul 13, 1969 · N7865S · Substantial damage
- [NTSB ANC70A0002](https://openairdocs.org/ntsb/ANC70A0002.md): Hiller Acft FH1100 · Mcgrath, AK · Accident · No injuries · Closed · Jul 3, 1969 · N748FH · Substantial damage
- [NTSB SEA70D0082](https://openairdocs.org/ntsb/SEA70D0082.md): Bell 206A · Twin Lake, Canada · Accident · No injuries · Closed · Jun 14, 1969 · N6280N · Substantial damage
- [NTSB OAK69D0208](https://openairdocs.org/ntsb/OAK69D0208.md): Hiller Acft FH1100 · Storrie, CA · Accident · Serious injuries · Closed · Dec 18, 1968 · N748FH · Substantial damage
- [NTSB OAK69D0171](https://openairdocs.org/ntsb/OAK69D0171.md): Bell 206A · Hanapepe, HI · Accident · No injuries · Closed · Nov 2, 1968 · N6255N · Substantial damage
- [NTSB FTW68A0079](https://openairdocs.org/ntsb/FTW68A0079.md): Bell 206A · Saginaw, TX · Accident · 1 fatal · Closed · Mar 13, 1968 · N6270N · Substantial damage
- [NTSB LAX68A0009](https://openairdocs.org/ntsb/LAX68A0009.md): Bell 206A · Carpinteria, CA · Accident · No injuries · Closed · Jul 17, 1967 · N7847S · Substantial damage

## 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 ('03002', '03003'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=03002&page=6

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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.