Thursday, July 06, 2017

Bearhawk, N507SR: Accident occurred October 07, 2016 at Calhan Airport (5V4), El Paso County, Colorado

Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Denver, Colorado

Aviation Accident Final Report - National Transportation Safety Board:

Investigation Docket - National Transportation Safety Board:

Aviation Accident Data Summary - National Transportation Safety Board:

NTSB Identification: GAA17CA016
14 CFR Part 91: General Aviation
Accident occurred Friday, October 07, 2016 in Calhan, CO
Probable Cause Approval Date: 07/05/2017
Aircraft: ROBINSON STEWART J BEARHAWK, registration: N507SR
Injuries: 1 Uninjured.

NTSB investigators used data provided by various entities, including, but not limited to, the Federal Aviation Administration and/or the operator and did not travel in support of this investigation to prepare this aircraft accident report.

The pilot of the tailwheel-equipped airplane reported that, during a touch-and-go landing on a turf airstrip, he applied power for takeoff, the airplane drifted left, and he applied right aileron and left rudder. As the airplane accelerated, it began drifting farther left until it departed the runway onto the grass. The pilot reported that the airspeed was about 60 mph and that he felt he could fly out of the situation. However, he realized the airplane was approaching a hill with trees and a house too quickly and would not clear the trees. He then applied right rudder and the airplane turned 90° toward the runway and began to skid. The airplane skidded across the runway and hit a ditch. The left landing gear collapsed followed by the right, and the airplane skidded to a stop. 

The airplane sustained substantial damage to the left wing and fuselage.

The pilot reported that there were no preimpact mechanical failures or malfunctions with the airframe or engine that would have precluded normal operation.

A review of recorded data from the automated weather observation station located about 14 miles southwest of the accident site revealed that, at 1255, the wind was from 190° at 13 knots, gusting to 21 knots. The airplane landed on runway 17.

The National Transportation Safety Board determines the probable cause(s) of this accident as follows:

The pilot’s failure to maintain directional control during takeoff, which resulted in a runway excursion.

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