# Accident 19940323006559A: Robsin R22BETA, Simi Valley, CA, March 23, 1994

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: March 23, 1994, 13:00 local time
- Place: Simi Valley, CA
- Damage: Substantial damage
- Phase of flight: Hovering
- Operating rules: General operating rules (Part 91)
- Location: 34.2494° N, 118.7800° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=34.2494&lon=-118.7800&mi=10
- Aircraft: N4081P, a cancelled registration (https://openairdocs.org/deregistered/N4081P-1996-01-11) (OpenAirDocs)
- Registry model: Robinson Helicopter R22 BETA (registry code 7640110, https://openairdocs.org/model/robinson-helicopter-r22-beta) (OpenAirDocs)
- Reported make and model: ROBSIN R22BETA
- Reported engine: LYC O320B2C
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 2,400 total, 1,500 in this make and model, 75 in the last 90 days
- NTSB investigation: [NTSB LAX94LA172](https://openairdocs.org/ntsb/LAX94LA172) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19940323006559A

## Narrative

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

STUDENT WAS PRACTICING A HOVER. DRIFTED BACKWARDS LEFT SKID CAUGHT IN DIRT. HELICOPTER ROLLED OVER.

## 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 LAX94LA172](https://openairdocs.org/ntsb/LAX94LA172), Mar 23, 1994: Robinson R-22B (N4081P), Simi Valley, CA, substantial damage. Probable cause: THE STUDENT PILOT'S IMPROPER HOVERING AUTOROTATION BY ALLOWING THE HELICOPTER TO DRIFT LATERALLY AND REARWARD, RESULTING IN THE HELICOPTER ROLLING OVER DURING TOUCHDOWN, AND THE FLIGHT INSTRUCTOR'S…

## Other reports on N4081P (1)

Matched to the same aircraft by N-number and date.

- [Accident 19920504013249A](https://openairdocs.org/incident/19920504013249A), May 4, 1992: Robsin R22BETA (N4081P), Burbank, CA, Substantial damage. Ran out of fuel returning to airport after dual maneuvers. Landed hard in city park bending tailboom.

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.

---
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.
