# Accident 20070313002769A: Robsin R22BETA, Denver, CO, March 13, 2007

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: March 13, 2007, 17:15 local time
- Place: Denver, CO
- Airport: Jeffco Airport
- Damage: Substantial damage
- Phase of flight: Sfl Autorotation
- Operating rules: General operating rules (Part 91)
- Location: 39.9089° N, 105.1172° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=39.9089&lon=-105.1172&mi=10
- Aircraft: N7681H, a cancelled registration (https://openairdocs.org/deregistered/N7681H-2012-12-19) (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: 363 total, 222 in this make and model, 118 in the last 90 days
- NTSB investigation: [NTSB DEN07CA072](https://openairdocs.org/ntsb/DEN07CA072) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20070313002769A

## Narrative

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

(-23) ON MARCH 13, 2007 AT 1615 MST A ROBERTSON R22 REGISTRATION NUMBER N7681H WAS OPERATING FAR PART 91 FLIGHT INSTRUCTION WHEN DURING AUTOROTATION TRAINING THE HELICOPTER LANDED HARD. INSTRUCTOR REPORTED THAT ON A FULL DOWN AUTOROTATION DEMONSTRATION HE HAD A 20 KNOT HEAD WIND WHEN AT LESS THAN 20 FEET AGL THE WIND DROPPED TO 0 AND ROTOR RPM DROPPED 15%. THE INSTRUCTOR REACTED BY LEVELING THE HELICOPTER WHERE HE CONTACTED THE PAVEMENT AT APPROXIMATELY 1000 FEET PER MINUTE AND 40 KNOTS FORWARD. THE HELICOPTER BOUNCED SEVERAL TIMES COMING TO REST UPRIGHT. NO INJURIES WERE REPORTED. THE HELICOPTER SUSTAINED AN UNDER/OVER SPEED ON THE MAIN ROTOR AND SUBSTANTIAL DAMAGE TO THE TAIL BOOM FROM A MAIN ROTOR BLADE STRIKE.

## 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 DEN07CA072](https://openairdocs.org/ntsb/DEN07CA072), Mar 13, 2007: Robinson R22 Beta (N7681H), Broomfield, CO, substantial damage. Probable cause: The instructor's failure to maintain aircraft control. A contributing factor was the windshear.

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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