# NTSB investigations: Hughes 269B, MN

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 CHI08CA164](https://openairdocs.org/ntsb/CHI08CA164.md): Hughes 269B · Cook, MN · Accident · Minor injuries · Data collection · Final report · Jun 15, 2008 · N9357F · Substantial damage
  > The pilot not maintaining tail rotor effectiveness while turning in cruise.
- [NTSB CHI88LA108](https://openairdocs.org/ntsb/CHI88LA108.md): Hughes 269B · Minneapolis, MN · Accident · Minor injuries · Limited investigation · Final report · May 7, 1988 · N9487F · Substantial damage
  > The pilot was executing a downwind takeoff, the winds reportedly gusting to 25 knots, loaded with two passengers, when just after takeoff the pilot stated the helicopter experienced a loss of power. The pilot then attempted to execute an autorotation, but…
- [NTSB CHI84LA274](https://openairdocs.org/ntsb/CHI84LA274.md): Hughes 269B · Eden Prairie, MN · Accident · No injuries · Limited investigation · Final report · Jul 3, 1984 · N9487F · Substantial damage
  > The CFI stated that while practicing a pedal turn the student pilot suddenly applied back cylic causing the tail rotor to contact the ground. The main rotor then contacted the ground and the helicopter rolled over.
- [NTSB MKC71DDM18](https://openairdocs.org/ntsb/MKC71DDM18.md): Hughes 269B · Crosby, MN · Accident · Minor injuries · Closed · May 2, 1970 · N9487F · Substantial damage
- [NTSB MKC69F0432](https://openairdocs.org/ntsb/MKC69F0432.md): Hughes 269B · St Paul, MN · Accident · No injuries · Closed · Apr 10, 1969 · N9486F · Destroyed
- [NTSB MKC68F0506](https://openairdocs.org/ntsb/MKC68F0506.md): Hughes 269B · St Paul, MN · Accident · No injuries · Closed · Mar 28, 1968 · N9487F · Substantial damage
- [NTSB MKC67A0080](https://openairdocs.org/ntsb/MKC67A0080.md): Hughes 269B · Fairmont, MN · Accident · Minor injuries · Closed · Jun 15, 1967 · N9419F · Substantial damage
- [NTSB MKC67A0067](https://openairdocs.org/ntsb/MKC67A0067.md): Hughes 269B · Federal Dam, MN · Accident · 2 fatal · Closed · May 12, 1967 · N700 · Destroyed
- [NTSB UNK65X0547](https://openairdocs.org/ntsb/UNK65X0547.md): Hughes 269B · Owatonna, MN · Accident · Serious injuries · Closed · Nov 3, 1964 · N9326F · Destroyed
- [NTSB UNK64X2401](https://openairdocs.org/ntsb/UNK64X2401.md): Hughes 269B · Coon Rapids, MN · Accident · 3 fatal · Closed · Jun 20, 1964 · N9324F · Destroyed
- [NTSB UNK64X1531](https://openairdocs.org/ntsb/UNK64X1531.md): Hughes 269B · West Concord, MN · Accident · Minor injuries · Closed · Apr 30, 1964 · N9326F · Destroyed

## 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" = 'MN' 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=MN

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