# Accident 20060811015969A: Robsin R22BETA, Boise, ID, August 11, 2006

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 11, 2006, 08:55 local time
- Place: Boise, ID
- Airport: Boise Air Terminal - Gowen Fld
- Damage: Substantial damage
- Phase of flight: Sfl Autorotation
- Operating rules: General operating rules (Part 91)
- Location: 43.5644° N, 116.2311° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=43.5644&lon=-116.2311&mi=10
- Aircraft: N228SH, registered now (https://openairdocs.org/aircraft/N228SH) (OpenAirDocs)
- Registry model: Robinson Helicopter R22 BETA (registry code 7640110, https://openairdocs.org/model/robinson-helicopter-r22-beta) (OpenAirDocs)
- Registry engine: Lycoming O-360-J2A (registry code 42314, https://openairdocs.org/engine/lycoming-o-360-j2a) (OpenAirDocs)
- Reported make and model: ROBSIN R22BETA
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 450 total, 350 in this make and model, 250 in the last 90 days
- NTSB investigation: [NTSB SEA06CA160](https://openairdocs.org/ntsb/SEA06CA160) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20060811015969A

## Narrative

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

(-23) THE INSTRUCTOR PILOT WAS DEMONSTRATING AN AUTOROTATION MANEUVER FROM THE 180 DEGREE POSITION. DURING THE MANEUVER, THE ROTOR RPM BECAME TOO LOW. THE INSTRUCTOR PILOT WAS UNABLE TO ARREST THE DESCENT SETTLING HARD AND DAMAGING THE SKIDS AND TAILBOOM.

## 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 SEA06CA160](https://openairdocs.org/ntsb/SEA06CA160), Aug 11, 2006: Robinson R-22B (N228SH), Boise, ID, substantial damage. Probable cause: The instructor pilot's inadvertent excessive descent rate, and his delay of remedial action during the demonstration of a 180 degree autorotation.

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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