# Accident 19900509015939A: Robsin R22BETA, Irvine, CA, May 9, 1990

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: May 9, 1990, 14:50 local time
- Place: Irvine, CA
- Damage: Substantial damage
- Phase of flight: Autorot Descent (Rotorcraft)
- Operating rules: General operating rules (Part 91)
- Operator: JMXA
- Location: 33.6695° N, 117.8231° W: Placed by OpenAirDocs: center of Irvine, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.6695&lon=-117.8231&mi=10
- Aircraft: N9070N, a cancelled registration (https://openairdocs.org/deregistered/N9070N-1997-02-05) (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: 630 total, 550 in this make and model, 130 in the last 90 days
- NTSB investigation: [NTSB LAX90LA168](https://openairdocs.org/ntsb/LAX90LA168) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19900509015939A

## Narrative

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

GAVE STUDENT ENGINE OUT BUT STUDENT MISMANAGED COLLECTIVE. CFI TOOK OVER BUT ROTOR RPM TOO LOW.IMPACT CHOPPED TAIL.

## 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 LAX90LA168](https://openairdocs.org/ntsb/LAX90LA168), May 9, 1990: Robinson R22 (N9070N), Irvine, CA, substantial damage. Probable cause: THE CFI'S FAILURE TO MAINTAIN ROTOR RPM DURING THE PRACTICE AUTOROTATION.

## Other reports on N9070N (3)

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

- [Accident 19960430008999A](https://openairdocs.org/incident/19960430008999A), Apr 30, 1996: Robsin R22BETA (N9070N), Santa Ana, CA, Destroyed. Practicing autorotations then approach to stop and go, sink too high. Impacted hard. Rotors chopped tail. Rolled.
- [Incident 19911204057849I](https://openairdocs.org/incident/19911204057849I), Dec 4, 1991: Robsin R22BETA (N9070N), Westminster, CA. Alternator fail light came on. Unable to correct problem. Landed in school field.
- [Incident 19830121006739I](https://openairdocs.org/incident/19830121006739I), Jan 21, 1983: Robsin R22 (N9070N), Santa Ana, CA, Minor damage. Flair made too low while making a straight-in autorotation with a power recovery. Tail rotor contacted the ground.

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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