# NTSB investigations: Enstrom F-28A, CA

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 LAX98LA242](https://openairdocs.org/ntsb/LAX98LA242.md): Enstrom F28A · Pleasanton, CA · Accident · No injuries · Limited investigation · Final report · Jul 24, 1998 · N288Q · Substantial damage
  > The flight instructor's delayed remedial action and the student pilot's failure to maintain rotor RPM. A factor was the downhill terrain.
- [NTSB LAX92LA245](https://openairdocs.org/ntsb/LAX92LA245.md): Enstrom F28A · Hanford, CA · Accident · No injuries · Limited investigation · Final report · Jun 14, 1992 · N159Q · Substantial damage
  > The pilot's failure to maintain rotor RPM during the takeoff. Contributing factors were: the pilot's lack of familiarity with the aircraft and unfavorable winds that existed at the time of takeoff.
- [NTSB LAX88LA198](https://openairdocs.org/ntsb/LAX88LA198.md): Enstrom F28A · La Verne, CA · Accident · No injuries · Limited investigation · Final report · May 27, 1988 · N4898 · Substantial damage
  > The helicopter landed hard during a practice touchdown autorotation (auto). The helo remained in closed traffic for the purpose of practicing touchdown autos to a landing area adjacent to the aprt's rwy. There was also another helo in closed traffic using the…
- [NTSB LAX81FVG04](https://openairdocs.org/ntsb/LAX81FVG04-123528.md): Enstrom F-28A · Elk Grove, CA · Accident · No injuries · Closed · Nov 7, 1981 · N9268 · Substantial damage
- [NTSB LAX80DVA06](https://openairdocs.org/ntsb/LAX80DVA06.md): Enstrom F-28A · Woodlake, CA · Accident · No injuries · Closed · Dec 12, 1979 · N521H · Substantial damage
- [NTSB LAX79FUQ15](https://openairdocs.org/ntsb/LAX79FUQ15.md): Enstrom F-28A · Oxnard, CA · Accident · No injuries · Closed · Feb 14, 1979 · N9082 · Destroyed
- [NTSB LAX79DVA14](https://openairdocs.org/ntsb/LAX79DVA14.md): Enstrom F28A · Shafter, CA · Accident · No injuries · Closed · Jan 20, 1979 · N520H · Substantial damage
- [NTSB LAX78FUG20](https://openairdocs.org/ntsb/LAX78FUG20.md): Enstrom F28A · West Covina, CA · Accident · No injuries · Closed · Mar 28, 1978 · N4876 · Substantial damage
- [NTSB LAX76FUD08](https://openairdocs.org/ntsb/LAX76FUD08.md): Enstrom F-28A · Pasadena, CA · Accident · No injuries · Closed · Apr 5, 1976 · N9576 · Substantial damage
- [NTSB LAX76FUG43](https://openairdocs.org/ntsb/LAX76FUG43.md): Enstrom F-28A · Blythe, CA · Accident · No injuries · Closed · Apr 4, 1976 · N269Q · Substantial damage
- [NTSB OAK76FVM31](https://openairdocs.org/ntsb/OAK76FVM31.md): Enstrom F-28A · San Carlos, CA · Accident · Minor injuries · Closed · Mar 31, 1976 · N9577 · Destroyed
- [NTSB OAK76FVM01](https://openairdocs.org/ntsb/OAK76FVM01.md): Enstrom F28A · San Francisco, CA · Accident · No injuries · Closed · Jul 5, 1975 · N4893 · Substantial damage
- [NTSB LAX73FUQ83](https://openairdocs.org/ntsb/LAX73FUQ83.md): Enstrom F-28A · Goleta, CA · Accident · No injuries · Closed · May 4, 1973 · N9572 · Substantial damage
- [NTSB LAX70FUQ03](https://openairdocs.org/ntsb/LAX70FUQ03.md): Enstrom F-28 · Van Nuys, CA · Accident · No injuries · Closed · Jan 6, 1970 · N4897 · Substantial damage
- [NTSB OAK70F0204](https://openairdocs.org/ntsb/OAK70F0204.md): Enstrom F-28A · Oakland, CA · Accident · Minor injuries · Closed · Oct 10, 1969 · N4463 · 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" = 'CA' 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 ('3300406'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=3300406&state=CA

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