# NTSB investigations: Enstrom Helicopter 480

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 WPR27LA011](https://openairdocs.org/ntsb/WPR27LA011.md): Enstrom Helicopter 480 · Chelan, WA · Accident · No injuries · Class 4 · Limited · Investigation open · Sep 30, 2026 · N480MT
- [NTSB ERA21LA016](https://openairdocs.org/ntsb/ERA21LA016.md): Enstrom 480 · Woodstock, CT · Accident · Minor injuries · Class 4 · Limited · Final report · Oct 10, 2020 · N899RT · Substantial damage
  > The pilot’s failure to maintain control of the helicopter while attempting to land on a trailer in gusting wind conditions, which resulted in a dynamic rollover.
- [NTSB WPR20CA171](https://openairdocs.org/ntsb/WPR20CA171.md): Enstrom 480 · Murphy, ID · Accident · Minor injuries · Class 4 · Data collection · Final report · Jun 4, 2020 · N130JS · Substantial damage
  > The pilot's failure to maintain clearance from a power line while maneuvering during an aerial application flight.
- [NTSB CHI05LA218](https://openairdocs.org/ntsb/CHI05LA218.md): Enstrom 480 · Goshen, IN · Accident · Serious injuries · Limited investigation · Final report · Aug 5, 2005 · N480FX · Substantial damage
  > Ground resonance experienced by the pilots.
- [NTSB CHI01LA075](https://openairdocs.org/ntsb/CHI01LA075.md): Enstrom 480 · Dryden, MI · Accident · Serious injuries · Limited investigation · Final report · Jan 25, 2001 · N704G · Substantial damage
  > The pilots failure to maintain altitude/clearance from the terrain. The dark night was a factor.
- [NTSB CHI98LA339](https://openairdocs.org/ntsb/CHI98LA339.md): Enstrom 480 · Green Bay, WI · Accident · No injuries · Limited investigation · Final report · Sep 16, 1998 · N142CC · Substantial damage
  > the pilot's failure to maintain adequate rotor rpm during a practice autorotation.

## 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 ('3300560'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=3300560

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