# Accident 19900724028529A: Amtrrw SCORPION*, Oroville, CA, July 24, 1990

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 24, 1990, 20:10 local time
- Place: Oroville, CA
- Damage: Substantial damage
- Phase of flight: Hovering
- Operating rules: General operating rules (Part 91)
- Location: 39.4304° N, 121.5499° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=39.4304&lon=-121.5499&mi=10
- Aircraft: N4639E, a cancelled registration (https://openairdocs.org/deregistered/N4639E-2013-06-27) (OpenAirDocs)
- Registry model: Cloutier/Cloutier SCORPION 133 (registry code 13025ET, https://openairdocs.org/model/cloutier-cloutier-scorpion-133) (OpenAirDocs)
- Registry engine: Rotorway RW-133 series (registry code 55000, https://openairdocs.org/engine/rotorway-rw-133-series) (OpenAirDocs)
- Reported make and model: AMTRRW SCORPION*
- Reported engine: AMTRRW ROTWY133
- Fatal injuries: 0
- Pilot flight hours: 1,000 total, 6 in this make and model
- NTSB investigation: [NTSB LAX90DVG17](https://openairdocs.org/ntsb/LAX90DVG17) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19900724028529A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

CRASHED DURING HOVERING TEST FLIGHT OF THE HOMEBUILT HELICOPTER.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB LAX90DVG17](https://openairdocs.org/ntsb/LAX90DVG17), Jul 25, 1990: Cloutier Scorpion 133 (N4639E), Oroville, CA, substantial damage. Probable cause: THE PILOT'S LOSS OF DIRECTIONAL CONTROL.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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