# Accident 20061008025549A: Robsin R22BETA, Upland, CA, October 8, 2006

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: October 8, 2006, 13:12 local time
- Place: Upland, CA
- Airport: Cable Airport
- Damage: Substantial damage
- Phase of flight: Forced/Precautionary Landing
- Operating rules: General operating rules (Part 91)
- Location: 34.1117° N, 117.6872° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=34.1117&lon=-117.6872&mi=10
- Aircraft: N821SH, registered now (https://openairdocs.org/aircraft/N821SH) (OpenAirDocs)
- Registry model: Robinson Helicopter R22 BETA (registry code 7640110, https://openairdocs.org/model/robinson-helicopter-r22-beta) (OpenAirDocs)
- Registry engine: Lycoming O-360 series (registry code 41575, https://openairdocs.org/engine/lycoming-o-360-series) (OpenAirDocs)
- Reported make and model: ROBSIN R22BETA
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 841 total, 796 in this make and model, 392 in the last 90 days
- NTSB investigation: [NTSB LAX07LA005](https://openairdocs.org/ntsb/LAX07LA005) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20061008025549A

## Narrative

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

(-23) LOSS OF ENGINE AND ROTOR RPM AND SUBSEQUENT HARD LANDING WAS DUE TO THE SEPARATION OF THE UPPER ROD END FROM THE THROTTLE OVERTRAVEL SPRING ASSEMBLY WHICH WAS DUE TO UNDOCUMENTED IMPROPER MAINTENANCE.

## 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 LAX07LA005](https://openairdocs.org/ntsb/LAX07LA005), Oct 8, 2006: Robinson R22 Beta (N821SH), Upland, CA, substantial damage. Probable cause: Disconnection of the throttle control linkage due to improper maintenance, which resulted in a loss of engine power during initial climb.

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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