# NTSB investigations: Enstrom Helicopter 280C: Airframe/component/system failure/malfunction

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 NYC06LA175](https://openairdocs.org/ntsb/NYC06LA175.md): Enstrom 280C · Danville, WV · Accident · Minor injuries · Limited investigation · Final report · Jul 15, 2006 · N5691B · Substantial damage
  > A partial failure of the override clutch assembly. A contributing factor to the accident was the manufacturer's inadequate inspection procedures of the override clutch assembly following a tail rotor strike.
- [NTSB LAX88FA140](https://openairdocs.org/ntsb/LAX88FA140.md): Enstrom 280C · Fremont, CA · Accident · No injuries · Field investigation · Final report · Mar 27, 1988 · N5692P · Substantial damage
  > Failure of the engine to main rotor drive system due to a drive belt slippage caused by a drive pulley worn beyond its service limit. Contributing to the accident was the inadequate factory maintenance manuals which did not provide the serviceable limits for…
- [NTSB SEA83FA135](https://openairdocs.org/ntsb/SEA83FA135.md): Enstrom 280C · Kent, WA · Accident · Minor injuries · Field investigation · Final report · Jun 28, 1983 · N652H · Substantial damage
  > During a traffic reporting flt for a radio station, the plt noted the onset of a severe vibration which he felt through the antitorque pedals. He stated that within seconds, the helicopter lost directional control & began a rapid, uncontrolled spin to the…
- [NTSB FTW83LA287](https://openairdocs.org/ntsb/FTW83LA287.md): Enstrom 280C · Frisco, TX · Accident · No injuries · Limited investigation · Final report · Jun 17, 1983 · N51738 · Substantial damage
  > The plt reported that during flt, the low pressure fuel light illuminated & the nose of the helicopter yawed to the left as if the eng had lost power. He made a precautionary landing in a soft, plowed field with a forward speed of about 10 to 15 mph. During…
- [NTSB LAX83LA248](https://openairdocs.org/ntsb/LAX83LA248.md): Enstrom 280C · Goshen, CA · Accident · Minor injuries · Limited investigation · Final report · May 24, 1983 · N51763 · Substantial damage
  > About 5 min after taking off, the plt noticed a sudden loss of power to the tail rotor. He made an emergency landing in an alfalfa field. He reported that during an autorotative landing, he had insufficient collective to flare properly. Subsequently, the main…

## 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 ('3300505')
    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" = 130))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=3300505&occurrence=130

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