Friday, August 11, 2017

Hughes 369D, N58424, registered to Quicksilver Air Inc and operated by Patrol Helicopters Inc: Accident occurred August 10, 2017 in Villa Grove, Saguache County, Colorado

The National Transportation Safety Board did not travel to the scene of this accident.

Additional participating entity:
Federal Aviation Administration / Flight Standards District Office; Denver, Colorado

Aviation Accident Factual Report - National Transportation Safety Board: https://app.ntsb.gov/pdf

Registered to Quicksilver Air Inc

Operated by Patrol Helicopters Inc

http://registry.faa.gov/N58424


NTSB Identification: CEN17LA314
14 CFR Part 133: Rotorcraft Ext. Load
Accident occurred Thursday, August 10, 2017 in Villa Grove, CO
Aircraft: HUGHES 369D, registration: N58424
Injuries: 1 Serious.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

On August 10, 2017, about 1400 mountain daylight time, a Hughes 369D helicopter, N58424, had its tail rotor impact a powerline near Villa Grove, Colorado. The pilot received serious injuries. The helicopter sustained substantial tailboom and fuselage damage. The helicopter was registered to Quicksilver Air Inc. and operated by Patrol Helicopters Inc. as a 14 Code of Federal Regulations Part 133 rotorcraft external load flight. Day visual meteorological conditions prevailed in the area about the time of the accident, and the flight was not operated on a flight plan. The local flight originated from a field near the accident site.

According to the pilot's accident report, the purpose of the flight was to assist power line construction. After pulling a sock line through several structures, the helicopter was flown inside an angle tower. As the pilot was flying the helicopter away from the angle tower, he flew the helicopter to his right while planning on backing up at the same time. The next tower came into view and the helicopter's speed to the right was faster than planned. The helicopter's main rotors contacted a tower and the helicopter subsequently "crashed." The pilot indicated that the helicopter did not have any mechanical malfunctions. The pilot was not wearing a helmet.

NTSB Identification: CEN17LA314
14 CFR Part 133: Rotorcraft Ext. Load
Accident occurred Thursday, August 10, 2017 in Villa Grove, CO
Aircraft: HUGHES 369D, registration: N58424
Injuries: 1 Serious.

This is preliminary information, subject to change, and may contain errors. Any errors in this report will be corrected when the final report has been completed. NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

On August 10, 2017, about 1810 mountain daylight time, a Hughes 369D helicopter, N58424, had its tail rotor impact a powerline near Villa Grove, Colorado. The pilot received serious injuries. The helicopter sustained substantial tailboom and fuselage damage. The helicopter was registered to Quicksilver Air Inc. and operated by Patrol Helicopters Inc. as a 14 Code of Federal Regulations Part 133 rotorcraft external load flight. Day visual] meteorological conditions prevailed in the area about the time of the accident, and the flight was not operated on a flight plan. The local flight originated from an unknown location.

At 1752, the recorded weather at the San Luis Valley Regional Airport/Bergman Field, near Alamosa, Colorado, was: Wind 340° at 21 kts gusting to 33 kts; visibility 10 statute miles; present weather light thunderstorms and rain; sky condition broken clouds at 10,000 ft and broken clouds at 12,000 ft; temperature 23° C; dew point 6° C; altimeter 30.32 inches of mercury.

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