Friday, June 22, 2018

Robinson R66, registered to A.C.E. Flyers Inc and operated by Ridgeline Aviation Inc, N7040P: Accident occurred June 19, 2018 in

Additional Participating Entity: 
Federal Aviation Administration / Flight Standards District Office; Anchorage

Aviation Accident Factual Report - National Transportation Safety Board:

Investigation Docket - National Transportation Safety Board:

Location: Cordova, AK
Accident Number: GAA18CA366
Date & Time: 06/19/2018, 1045 AKD
Registration: N7040P
Aircraft: Robinson R66
Aircraft Damage: Substantial
Defining Event: Miscellaneous/other
Injuries: 3 None
Flight Conducted Under: Part 135: Air Taxi & Commuter - Non-scheduled 

The helicopter pilot reported that, after multiple attempts to find a suitable landing site on a mountain ridgetop, the tail rotor impacted brush during landing. The helicopter pivoted, the main rotor contacted a communications tower, and the helicopter rotated 180° and rolled onto its left side.

The helicopter sustained substantial damage to the windscreen and main rotor mast.

The pilot reported that there were no preaccident mechanical failures or malfunctions with the helicopter that would have precluded normal operation. 

Pilot Information

Certificate: Commercial
Age: 50, Male
Airplane Rating(s): Multi-engine Land; Single-engine Land; Single-engine Sea
Seat Occupied: Right
Other Aircraft Rating(s): Helicopter
Restraint Used: Unknown
Instrument Rating(s): Airplane; Helicopter
Second Pilot Present: No
Instructor Rating(s): Airplane Multi-engine; Airplane Single-engine
Toxicology Performed: No
Medical Certification: Class 1 Without Waivers/Limitations
Last FAA Medical Exam: 03/27/2018
Occupational Pilot: Yes
Last Flight Review or Equivalent: 05/18/2018
Flight Time:   (Estimated) 13000 hours (Total, all aircraft), 450 hours (Total, this make and model), 12000 hours (Pilot In Command, all aircraft), 1 hours (Last 24 hours, all aircraft) 

Aircraft and Owner/Operator Information

Aircraft Make: Robinson
Registration: N7040P
Model/Series: R66 No Series
Aircraft Category: Helicopter
Year of Manufacture: 2012
Amateur Built: No
Airworthiness Certificate: Normal
Serial Number: 0185
Landing Gear Type: Skid
Seats: 5
Date/Type of Last Inspection: 04/21/2018, 100 Hour
Certified Max Gross Wt.: 2700 lbs
Time Since Last Inspection:
Engines: 1 Turbo Shaft
Airframe Total Time: 460 Hours at time of accident
Engine Manufacturer: Rolls Royce
ELT: C126 installed, not activated
Engine Model/Series: RR300
Registered Owner: A.C.E. Flyers Inc
Rated Power: 300 hp
Operator: Ridgeline Aviation Inc.
Operating Certificate(s) Held: On-demand Air Taxi (135)
Operator Does Business As:
Operator Designator Code: 3RLA

Meteorological Information and Flight Plan

Conditions at Accident Site: Visual Conditions
Condition of Light: Day
Observation Facility, Elevation: PACV, 31 ft msl
Distance from Accident Site: 24 Nautical Miles
Observation Time: 1853 UTC
Direction from Accident Site: 242°
Lowest Cloud Condition: Few / 1700 ft agl
Visibility: 10 Miles
Lowest Ceiling: Broken / 3200 ft agl
Visibility (RVR):
Wind Speed/Gusts: Calm /
Turbulence Type Forecast/Actual: None / None
Wind Direction:
Turbulence Severity Forecast/Actual: N/A / N/A
Altimeter Setting: 30.11 inches Hg
Temperature/Dew Point: 14°C / 11°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Cordova, AK (CKU)
Type of Flight Plan Filed: VFR
Destination: Cordova, AK
Type of Clearance: None
Departure Time: 1030 AKD
Type of Airspace: Class G 

Wreckage and Impact Information

Crew Injuries: 1 None
Aircraft Damage: Substantial
Passenger Injuries: 2 None
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 3 None
Latitude, Longitude:  60.675000, -144.741944 (est)

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