# NTSB investigations: Enstrom Helicopter 280C, 1986

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 NYC87LA012](https://openairdocs.org/ntsb/NYC87LA012.md): Enstrom 280C · Newport, RI · Accident · 1 fatal · Limited investigation · Final report · Dec 11, 1986 · N647H · Substantial damage
  > Aircraft descended and collided with water when the pilot attempted to regain visual ground reference when weather deteriorated. No plt acc report was received. Plt time was not reported or available.
- [NTSB LAX86LA291](https://openairdocs.org/ntsb/LAX86LA291.md): Enstrom EN-280-C · Los Altos, CA · Accident · No injuries · Limited investigation · Final report · Jul 13, 1986 · N5692P · Substantial damage
  > The instructor stated that during a practice auto rotative landing the helicopter lost rotor RPM and a hard landing followed. On ground contact, the main rotor blades struck the tail cone, resulting in substantial damage. The instructor further stated that…
- [NTSB NYC86LA128](https://openairdocs.org/ntsb/NYC86LA128.md): Enstrom F-28C · Ephrata, PA · Accident · No injuries · Limited investigation · Final report · May 14, 1986 · N100WZ · Substantial damage
  > The Enstrom F28C was cruising enroute when it experienced a loss of power for reasons unknown. During the landing, in a large open field, the main rotor was damaged and the tail rotor separated from the tail boom. The lone occupant, the pilot, was uninjured…
- [NTSB NYC86LA107](https://openairdocs.org/ntsb/NYC86LA107.md): Enstrom F-280C · Ridgefield, NJ · Accident · No injuries · Limited investigation · Final report · Apr 18, 1986 · N51721 · Substantial damage
  > Seconds after an over-water takeoff from a shoreline helipad the acft impacted the water and sank. The pilot and pax escaped from the submerged acft and were not injured. The pilot claimed that he had a split needle in which the rotor RPM deteriorated. The…

## 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 year(c."eventDate") = 1986
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('3300505'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=3300505&year=1986

---
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.