# NTSB investigations: Hughes 269B, MD

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 IAD79FA083](https://openairdocs.org/ntsb/IAD79FA083.md): Hughes 269B · Gaithersburg, MD · Accident · No injuries · Closed · Sep 17, 1979 · N9482F · Substantial damage
- [NTSB IAD78FA106](https://openairdocs.org/ntsb/IAD78FA106.md): Hughes 269B · Damascus, MD · Accident · No injuries · Closed · Sep 4, 1978 · N9568F · Destroyed
- [NTSB IAD77FIG35](https://openairdocs.org/ntsb/IAD77FIG35.md): Hughes 269B · Gaithersburg, MD · Accident · No injuries · Closed · Sep 15, 1977 · N9568F · Substantial damage
- [NTSB IAD77FIG10](https://openairdocs.org/ntsb/IAD77FIG10.md): Hughes 269B · Gaithersburg, MD · Accident · No injuries · Closed · Jan 23, 1977 · N9483F · Substantial damage
- [NTSB IAD76FIG16](https://openairdocs.org/ntsb/IAD76FIG16.md): Hughes 269B · Gaithersburgh, MD · Accident · Minor injuries · Closed · May 31, 1976 · N9397F · Substantial damage
- [NTSB IAD74DIG19](https://openairdocs.org/ntsb/IAD74DIG19.md): Hughes 269B · Gaithersburg, MD · Accident · No injuries · Closed · Feb 13, 1974 · N9397F · Substantial damage
- [NTSB IAD72FIG02](https://openairdocs.org/ntsb/IAD72FIG02.md): Hughes 269B · Bowie, MD · Accident · Minor injuries · Closed · Jul 4, 1971 · N9424F · Substantial damage
- [NTSB IAD70FIG02](https://openairdocs.org/ntsb/IAD70FIG02.md): Hughes 269B · Beltsville, MD · Accident · No injuries · Closed · Jan 25, 1970 · N9424F · Substantial damage
- [NTSB DIA68A0039](https://openairdocs.org/ntsb/DIA68A0039.md): Hughes 300 · Marlow Heights, MD · Accident · 2 fatal · Closed · Mar 21, 1968 · N9502F · Destroyed
- [NTSB DIA68A0001](https://openairdocs.org/ntsb/DIA68A0001.md): Hughes 269B · Silver Spring, MD · Accident · No injuries · Closed · Jul 14, 1967 · N9474F · Substantial damage
- [NTSB DIA67A0013](https://openairdocs.org/ntsb/DIA67A0013.md): Hughes 269B · College Park, MD · Accident · No injuries · Closed · Mar 24, 1967 · N700 · Substantial damage
- [NTSB NYC67A0042](https://openairdocs.org/ntsb/NYC67A0042.md): Hughes 269B · Tuxedo, MD · Accident · 2 fatal · Closed · Sep 1, 1966 · N9359F · Destroyed
- [NTSB NYC66A0101](https://openairdocs.org/ntsb/NYC66A0101.md): Hughes 269B · Edmonston, MD · Accident · No injuries · Closed · Mar 18, 1966 · N9359F · 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."eventStateOrRegion" = 'MD' 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 ('4470502'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=4470502&state=MD

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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.