# Accident 19940709017889A: Robsin R22ALPHA, Sanford, FL, July 9, 1994

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 9, 1994, 12:50 local time
- Place: Sanford, FL
- Damage: Substantial damage
- Phase of flight: Low Level Operations
- Operating rules: General operating rules (Part 91)
- Location: 28.8110° N, 81.3299° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=28.8110&lon=-81.3299&mi=10
- Aircraft: N22431, a cancelled registration (https://openairdocs.org/deregistered/N22431-2013-06-13) (OpenAirDocs)
- Registry model: Robinson Helicopter R22 ALPHA (registry code 7640104, https://openairdocs.org/model/robinson-helicopter-r22-alpha) (OpenAirDocs)
- Registry engine: Lycoming 0-320 series (registry code 41508, https://openairdocs.org/engine/lycoming-0-320-series) (OpenAirDocs)
- Reported make and model: ROBSIN R22ALPHA
- Reported engine: LYC O320B2C
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 200 total, 199 in this make and model, 35 in the last 90 days
- NTSB investigation: [NTSB MIA94LA176](https://openairdocs.org/ntsb/MIA94LA176) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19940709017889A

## Narrative

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

FLYING LOW TO SPOT ALLIGATORS.LOST TAIL ROTOR CONTROL. DITCHED IN RIVER. DRIVESHAFT BROKE DUE OVERLOAD.PRIOR 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 MIA94LA176](https://openairdocs.org/ntsb/MIA94LA176), Jul 9, 1994: Robinson R-22 (N22431), Sanford, FL, substantial damage. Probable cause: THE FAILURE OF THE TAILROTOR DRIVESHAFT FOR UNDETERMINED REASONS RESULTING IN LOSS OF TAILROTOR DRIVE. THIS RESULTED IN THE HELICOPTER SPINNING UNCONTROLLED AND DESCENDING FROM A HOVER UNTIL IT…

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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