Federal Aviation Administration / Flight Standards District Office; Portland, Maine.
Aviation Accident Final Report - National Transportation Safety Board: https://app.ntsb.gov/pdf
Investigation Docket - National Transportation Safety Board: https://dms.ntsb.gov/pubdms
https://registry.faa.gov/N699WC
Location: Highgate, VT
Accident Number: GAA18CA543
Date & Time: 09/08/2018, 1320 EDT
Registration: N699WC
Aircraft: Bosko Wr/Bosko Ce SAFARI
Aircraft Damage: Substantial
Defining Event: Miscellaneous/other
Injuries: 1 None
Flight Conducted Under: Part 91: General Aviation - Instructional
Analysis
The student pilot reported that, while hovering the helicopter, a wind gust picked up the helicopter and pushed it to the left. He attempted to recover, but the skid impacted the ground, and the helicopter rolled onto its left side.
The helicopter sustained substantial damage to the windscreen and tailboom.
The student reported that there were no preaccident mechanical failures or malfunctions with the helicopter that would have precluded normal operation.
The automated weather observation station located on the airport reported that, about 5 minutes before the accident, the wind was from 340° at 4 knots.
Probable Cause and Findings
The National Transportation Safety Board determines the probable cause(s) of this accident to be:
The student pilot's failure to maintain lateral control during a hover.
Findings
Aircraft
Lateral/bank control - Not attained/maintained (Cause)
Personnel issues
Aircraft control - Student pilot (Cause)
Factual Information
History of Flight
Maneuvering-hover
Other weather encounter
Loss of control in flight
Collision with terr/obj (non-CFIT)
The student pilot reported that, while hovering the helicopter, a wind gust picked up the helicopter and pushed it to the left. He attempted to recover, but the skid impacted the ground and the helicopter rolled onto its left side.
The helicopter sustained substantial damage to the windscreen and tailboom.
The student pilot reported that there were no preaccident mechanical failures or malfunctions with the helicopter that would have precluded normal operation.
The automated weather observation station located on the airport reported that, about 5 minutes before the accident, the wind was from 340° at 4 knots.
Student Pilot Information
Certificate: Student
Age: 60, Male
Airplane Rating(s): None
Seat Occupied: Left
Other Aircraft Rating(s): None
Restraint Used: Unknown
Instrument Rating(s): None
Second Pilot Present: No
Instructor Rating(s): None
Toxicology Performed: No
Medical Certification: Class 3 Without Waivers/Limitations
Last FAA Medical Exam: 04/19/2018
Occupational Pilot: No
Last Flight Review or Equivalent:
Flight Time: (Estimated) 49.2 hours (Total, all aircraft), 6 hours (Total, this make and model), 49.2 hours (Pilot In Command, all aircraft), 14.3 hours (Last 90 days, all aircraft), 11.1 hours (Last 30 days, all aircraft)
Aircraft and Owner/Operator Information
Aircraft Make: Bosko Wr/Bosko Ce
Registration: N699WC
Model/Series: SAFARI
Aircraft Category: Helicopter
Year of Manufacture: 2009
Amateur Built: Yes
Airworthiness Certificate: Experimental
Serial Number: 0619
Landing Gear Type: Skid
Seats: 2
Date/Type of Last Inspection: 08/14/2018, Condition
Certified Max Gross Wt.: 1610 lbs
Time Since Last Inspection:
Engines: 1 Reciprocating
Airframe Total Time: 300.6 Hours at time of accident
Engine Manufacturer: Superior
ELT: Not installed
Engine Model/Series: XPIO-360-A3C2
Registered Owner: On file
Rated Power: 180 hp
Operator: On file
Operating Certificate(s) Held: None
Meteorological Information and Flight Plan
Conditions at Accident Site: Visual Conditions
Condition of Light: Day
Observation Facility, Elevation: KFSO, 230 ft msl
Distance from Accident Site: 0 Nautical Miles
Observation Time: 1715 UTC
Direction from Accident Site: 261°
Lowest Cloud Condition: Clear
Visibility: 10 Miles
Lowest Ceiling: None
Visibility (RVR):
Wind Speed/Gusts: 4 knots /
Turbulence Type Forecast/Actual: None / None
Wind Direction: 300°
Turbulence Severity Forecast/Actual: N/A / N/A
Altimeter Setting: 30.27 inches Hg
Temperature/Dew Point: 16°C / 5°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Highgate, VT (FSO)
Type of Flight Plan Filed: None
Destination: Highgate, VT (FSO)
Type of Clearance: VFR
Departure Time: EDT
Type of Airspace: Class G
Airport Information
Airport: FRANKLIN COUNTY STATE (FSO)
Runway Surface Type: Grass/turf
Airport Elevation: 227 ft
Runway Surface Condition: Dry
Runway Used: N/A
IFR Approach: None
Runway Length/Width:
VFR Approach/Landing: None
Wreckage and Impact Information
Crew Injuries: 1 None
Aircraft Damage: Substantial
Passenger Injuries: N/A
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 1 None
Latitude, Longitude: 44.933611, -73.094444 (est)
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