# Accident 20051218029289A: Robsin R22BETA, Irwindale, CA, December 18, 2005

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: December 18, 2005, 16:00 local time
- Place: Irwindale, CA
- Damage: Destroyed
- Phase of flight: To Running(Helicopter/Vtol Ac)
- Operating rules: General operating rules (Part 91)
- Location: 34.1000° N, 117.9167° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=34.1000&lon=-117.9167&mi=10
- Aircraft: N177LH, a cancelled registration (https://openairdocs.org/deregistered/N177LH-2007-02-13) (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
- Reported engine: LYC O320*
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 106 total, 106 in this make and model
- NTSB investigation: [NTSB LAX06CA060](https://openairdocs.org/ntsb/LAX06CA060) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20051218029289A

## Narrative

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

(-23) ON DEPARTING FROM A CONFINED AREA, THE PILOT FAILED TO GAIN SUFFICIENT ALTITUDE TO CLEAR OBSTACLES (TREES). THE PILOT ATTEMPTED TO CLIMB AND TURN LEFT, AS A RESULT, HE INDUCED A "LOW ROTOR" CONDITION CAUSING THE AIRCRAFT TO SETTLE. THE PILOT REALIZED THE SITUATION AND WAS UNABLE TO REGAIN CONTROL OF THE ROTOR RPM, THUS STRIKING THE GROUND AND DESTROYING THE AIRCRAFT.

## 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 LAX06CA060](https://openairdocs.org/ntsb/LAX06CA060), Dec 19, 2005: Robinson R22 Beta (N177LH), Irwindale, CA, destroyed. Probable cause: The pilot failed to maintain adequate main rotor rpm.

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.