# NTSB investigations: Hughes 269B: In flight collision with terrain/water

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 CHI04LA030](https://openairdocs.org/ntsb/CHI04LA030.md): Hughes 269B · Louisville, KY · Accident · Minor injuries · Limited investigation · Final report · Nov 10, 2003 · N1093D · Substantial damage
  > The pilot's improper in-flight decision to allow the passenger to manipulate the aircraft flight controls, his failure to maintain altitude/clearance from the river, and his inadequate remedial action. A related factor was the low altitude.
- [NTSB LAX03FA134](https://openairdocs.org/ntsb/LAX03FA134.md): Hughes 269B · Auburn, CA · Accident · 2 fatal · Field investigation · Final report · Apr 11, 2003 · N16133 · Destroyed
  > the misjudged flare maneuver by an unknown crewmember during a likely practice autorotation that resulted in an in-flight collision with terrain.
- [NTSB SEA91LA137](https://openairdocs.org/ntsb/SEA91LA137.md): Hughes 269B · Warrenton, OR · Accident · Minor injuries · Limited investigation · Final report · Jun 19, 1991 · N9380F · Substantial damage
  > The pilot failed to maintain proper rotor speed during a simulated autorotation.
- [NTSB SEA88LA022](https://openairdocs.org/ntsb/SEA88LA022.md): Hughes 269B · Las Vegas, NV · Accident · Minor injuries · Limited investigation · Final report · Nov 24, 1987 · N22730 · Destroyed
  > During practice autorotation the pilot flared excessively high and the tail boom struck the ground. The pilot then lost control of the aircraft. The density alt was 2616 feet. A rt quartering tailwind was present.
- [NTSB LAX84LA455](https://openairdocs.org/ntsb/LAX84LA455.md): Hughes 269B · Goleta, CA · Accident · No injuries · Limited investigation · Final report · Aug 25, 1984 · N9380F · Substantial damage
  > The student plt was practicing during solo flt and collided with the ground during an aerial taxi. The student explainedthat after a normal landing he pulled enough collective to make the acft light on the skids and proceeded to taxi along the ground by…
- [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 LAX82FUM10](https://openairdocs.org/ntsb/LAX82FUM10.md): Hughes 269B · San Diego, CA · Accident · No injuries · Final report · Aug 25, 1982 · N9595F · Substantial damage
  > The instructor (CFI) reported that during a practice autorotation, the helicopter contacted brush. Subsequently the aircrew lost control of the helicopter and it turned and rolled over. Reportedly, the CFI simulated an engine failure at about 150 ft AGL.

## 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.aircraft_model_code IN ('4470502')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 230))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=4470502&occurrence=230

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