# Accident 19900623022099A: Robsin R22, Pinion Hills, CA, June 23, 1990

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: June 23, 1990, 12:30 local time
- Place: Pinion Hills, CA
- Damage: Substantial damage
- Phase of flight: Pwr Off Vert Land/Autorotate
- Operating rules: General operating rules (Part 91)
- Location: 34.4702° N, 117.6201° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=34.4702&lon=-117.6201&mi=10
- Aircraft: N84378, a cancelled registration (https://openairdocs.org/deregistered/N84378-1998-08-07) (OpenAirDocs)
- Registry model: Robinson Helicopter R22 (registry code 7640102, https://openairdocs.org/model/robinson-helicopter-r22) (OpenAirDocs)
- Reported make and model: ROBSIN R22
- Reported engine: LYC O320*
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 165 total, 123 in this make and model, 59 in the last 90 days
- NTSB investigation: [NTSB LAX90LA227](https://openairdocs.org/ntsb/LAX90LA227) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19900623022099A

## Narrative

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

LOW ROTOR RPM ON TAKEOFF. SETTLED INTO TREES. HOT HUMID DAY AND GROSS WEIGHT NEGATED FLIGHT OUT OF GROUND EFFECT.

## 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 LAX90LA227](https://openairdocs.org/ntsb/LAX90LA227), Jun 23, 1990: Robinson R22A (N84378), Pinon Hills, CA, substantial damage. Probable cause: THE PILOT'S FAILURE TO MAINTAIN ADEQUATE ROTOR RPM DURING AN ATTEMPTED TAKEOFF. A CONTRIBUTING FACTOR WAS THE HIGH DENSITY ALTITUDE.

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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