# Accident 20040728019229A: Robsin R22MARINER, West Palm Beach, FL, July 28, 2004

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 28, 2004, 16:00 local time
- Place: West Palm Beach, FL
- Airport: Palm Beach County Park Airport
- Damage: Destroyed
- Phase of flight: Sfl Autorotation
- Operating rules: General operating rules (Part 91)
- Operator: IGIS
- Location: 26.5931° N, 80.0850° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=26.5931&lon=-80.0850&mi=10
- Aircraft: N516PB, a cancelled registration (https://openairdocs.org/deregistered/N516PB-2013-07-18) (OpenAirDocs)
- Registry model: Robinson Helicopter R22 MARINER (registry code 7640115, https://openairdocs.org/model/robinson-helicopter-r22-mariner) (OpenAirDocs)
- Registry engine: Lycoming 0-320 series (registry code 41508, https://openairdocs.org/engine/lycoming-0-320-series) (OpenAirDocs)
- Reported make and model: ROBSIN R22MARINER
- Reported engine: LYC O320B2C
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 7,000 total, 1,500 in this make and model, 100 in the last 90 days
- NTSB investigation: [NTSB MIA04LA113](https://openairdocs.org/ntsb/MIA04LA113) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20040728019229A

## Narrative

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

(-23) ON JULY 28, 2004, ON ABOUT 1600, A ROBINSON R22 MARINER HELICOPTER, N516PB, REGISTERED TO SKY AVIATION LLC, OPERATING AS A 14 CFR PART 91 INSTRUCTIONAL FLIGHT, MADE A HARD LANDING AT LANTANA AIRPORT, FLORIDA. VISUAL METEOROLOGICAL CONDITIONS PREVAILED. THE HELICOPTER ROLLED OVER ON ITS LEFT SIDE AND SUSTAINED SUBSTANTIAL STRUCTURAL DAMAGE TO THE CABIN AND TAILBOOM ASSY. THE AIRLINE TRANSPORT RATED INSTRUCTOR REPORTED NO INJURIES. THE COMMERCIAL RATED STUDENT REPORTED MINOR INJURIES. THE FLIGHT ORIGINATED FROM LANTANA AIRPORT, LANTANA, FLORIDA. THE PILOT STATED HE WAS DEMONSTRATING AN AUTOROTATION WITH A POWER RECOVERY AT 50 FT AGL. AS POWER WAS APPLIED AND COLLECTIVE INCREASED PILOT STATED THE HELICOPTER HAD A SHARP LEFT YAW AND LOW ROTOR HORN. THE HELICOPTER CONTACTED THE RAIN SOFTENED TURF WITH HIGH VERTICAL VELOCITY BREAKING OFF BOTH FORWARD AND AFT LEFT SKID MOUNTS AT THE FUSELAGE. ONE MAIN ROTOR BLADE STRUCK THE TAIL BOOM SEPARATING A PORTION OF THE TAIL BOOM FROM THE AIRCRAFT. THE HELICOPTER ROLLED ON ITS LEFT SIDE AND SLID TO A STOP ABOUT 20 FEET FROM THE POINT OF SKID IMPACT WITH THE GROUND. THE CARB. HEAT WAS FOUND FULL ON.

## 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 MIA04LA113](https://openairdocs.org/ntsb/MIA04LA113), Jul 28, 2004: Robinson R 22 Mariner (N516PB), Lantana, FL, substantial damage. Probable cause: The failure of the pilot-in-command to maintain recommended main rotor RPM following a reported total loss of engine power due to undetermined reasons, during a practice autorotation resulting in a…

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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