# Incident 19931001043489I: Robsin R22BETA, Lake Mathews, CA, October 1, 1993

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: October 1, 1993, 16:15 local time
- Place: Lake Mathews, CA
- Damage: Minor damage
- Phase of flight: Pwr On Vertical Ldng/Rtrcrft
- Operating rules: General operating rules (Part 91)
- Operator: PIUS
- Location: 33.8250° N, 117.3683° W: Placed by OpenAirDocs: center of Lake Mathews, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.8250&lon=-117.3683&mi=10
- Aircraft: N4070H, a cancelled registration (https://openairdocs.org/deregistered/N4070H-2013-10-29) (OpenAirDocs)
- Registry model: Robinson Helicopter R22 BETA (registry code 7640110, https://openairdocs.org/model/robinson-helicopter-r22-beta) (OpenAirDocs)
- Registry engine: Lycoming 0-320 series (registry code 41508, https://openairdocs.org/engine/lycoming-0-320-series) (OpenAirDocs)
- Reported make and model: ROBSIN R22BETA
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 68 total, 68 in this make and model, 68 in the last 90 days
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19931001043489I

## Narrative

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

LOW ROTOR RPM DURING TERMINATION OF NORMAL APPROACH. PILOT REACTED BY REDUCING POWER INSTAD OF INCRASING THROTTLE.

## Other reports on N4070H (1)

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

- [Accident 19910711027089A](https://openairdocs.org/incident/19910711027089A), Jul 11, 1991: Robsin R22ALPHA (N4070H), El Cerrito, CA, Substantial damage. Student made slope landing. CFI took control tried to raise to hover but rolled over. One skid caught under a rock.

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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