# Accident 20001217027909A: Robsin R22MARINER, Sunnyvale, TX, December 17, 2000

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: December 17, 2000, 11:40 local time
- Place: Sunnyvale, TX
- Damage: No damage
- Operating rules: General operating rules (Part 91)
- Location: 32.7907° N, 96.5498° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=32.7907&lon=-96.5498&mi=10
- Aircraft: N7187W, registered now (https://openairdocs.org/aircraft/N7187W) (OpenAirDocs)
- Registry model: Robinson Helicopter R22 MARINER (registry code 7640115, https://openairdocs.org/model/robinson-helicopter-r22-mariner) (OpenAirDocs)
- Registry engine: Lycoming O&VO-360 series (registry code 41514, https://openairdocs.org/engine/lycoming-o-vo-360-series) (OpenAirDocs)
- Reported make and model: ROBSIN R22MARINER
- NTSB investigation: [NTSB FTW01LA039](https://openairdocs.org/ntsb/FTW01LA039) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20001217027909A

## Narrative

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

(-23) ON DECEMBER 17, 2000, A ROBINSON R-22 HELICOPTER LOST CONTROL WHILE PRACTICING TURNING AUTOROTATIONS AND CONTACTED THE GROUND IN A FIELD NEAR SUNNYVALE, TX. THE A/C WAS SUBSTANTIALLY DAMAGED AND THERE WERE NO INJURIES.

## 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 FTW01LA039](https://openairdocs.org/ntsb/FTW01LA039), Dec 17, 2000: Robinson R22 (N7187W), Sunnyvale, TX, substantial damage. Probable cause: The flight instructor's inadequate supervision of his student and his failure to maintain control of the helicopter. Factors were the student pilot allowing the airspeed and main rotor RPM to get too…

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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