# NTSB investigations: Boeing 727-251, MI

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 DCA91MA010](https://openairdocs.org/ntsb/DCA91MA010.md): Mcdonnell Douglas DC-9-14 · Romulus, MI · Accident · 8 fatal · Class 1 · Major · Final report · Dec 3, 1990 · N3313L · 2 aircraft · Destroyed
  > Lack of proper crew coordn, including virtual reversal of roles by the DC-9 plts, which led to their failure to stop taxiing & alert gnd ctlr of their positional uncertainty in a timely manner bfr & after intruding onto the active rwy. Contribuing to cause of…
- [NTSB CHI90FA278](https://openairdocs.org/ntsb/CHI90FA278.md): Boeing 727-251 · Detroit, MI · Accident · Serious injuries · Field investigation · Final report · Sep 29, 1990 · N278US · Minor damage
  > The intentional activation of the auxillary power unit by the flight engineer, and the improper evacuation procedures by the pilot in command. An associated factor in the accident was the APU circuit breakers were not pulled by company maintenance personnel.

## 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."eventStateOrRegion" = 'MI' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('138408H'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=138408H&state=MI

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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.