# NTSB investigations: Allison 250 SER 400HP, 1977

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 SEA78DYK04](https://openairdocs.org/ntsb/SEA78DYK04.md): Hiller Acft FH1100 · Walton, OR · Accident · Minor injuries · Closed · Dec 22, 1977 · N92484 · Destroyed
- [NTSB SEA78DYP03](https://openairdocs.org/ntsb/SEA78DYP03.md): Hughes 369D · Spokane, WA · Accident · No injuries · Closed · Oct 12, 1977 · N8601F · Substantial damage
- [NTSB ANC77FA086](https://openairdocs.org/ntsb/ANC77FA086.md): Hughes 369HS · Cantwell, AK · Accident · Minor injuries · Closed · Sep 2, 1977 · N9138F · Substantial damage
- [NTSB MIA77FKT69](https://openairdocs.org/ntsb/MIA77FKT69.md): Bell 206B · Ft Myers, FL · Accident · Minor injuries · Closed · Aug 27, 1977 · N90324 · Substantial damage
- [NTSB OAK77FA038](https://openairdocs.org/ntsb/OAK77FA038.md): Hughes 369HS · Mt Darwin, CA · Accident · Minor injuries · Closed · Jul 4, 1977 · N9167F · Substantial damage
- [NTSB FTW77FA060](https://openairdocs.org/ntsb/FTW77FA060.md): Bolkow BO-105 · Intracstl Cy, LA · Accident · Minor injuries · Closed · Jun 7, 1977 · N90754 · Substantial damage
- [NTSB FTW77DRD12](https://openairdocs.org/ntsb/FTW77DRD12.md): Bell 206B · Leeville, LA · Accident · No injuries · Closed · Apr 22, 1977 · N65AL · Minor damage
- [NTSB FTW77FA044](https://openairdocs.org/ntsb/FTW77FA044.md): Bell 206B · Intracoastal C, LA · Accident · 1 fatal · Closed · Mar 17, 1977 · N90071 · Destroyed
- [NTSB MIA77FA032](https://openairdocs.org/ntsb/MIA77FA032.md): Bell 206B · Atlanta, GA · Accident · Serious injuries · Closed · Feb 18, 1977 · N14824 · 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 year(c."eventDate") = 1977
  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=1977

---
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.