Aviation Accident Summaries

Aviation Accident Summary CEN10CA528

Brighton, CO, USA

Aircraft #1

N36MR

CLEM WILLIAM B III DOMINATOR GYROCOPTER

Analysis

The private pilot was preparing to land his gyroplane when he encountered a downdraft, which increased his rate of descent. The pilot was unable to arrest the descent rate and landed hard. As a result the left main gear axle broke, causing the lower rudder strut to contact the ground. The strut bent upwards into the propeller, splintering the propeller and causing substantial damage to the rudder. The pilot reported that the downdraft was caused by an 80-degree crosswind that blew over houses just to the northeast of the runway threshold. The pilot did not report any mechanical deficiencies with the gyroplane prior to the accident.

Factual Information

The private pilot was preparing to land his gyroplane when he encountered a downdraft, which increased his rate of descent. The pilot was unable to arrest the descent rate and landed hard. As a result, the left main gear axle broke causing the lower rudder strut to contact the ground. The strut bent upwards into the propeller, splintering the propeller and causing substantial damage to approximately 12 inches of the 68-inch-long rudder. The pilot reported that the downdraft was caused by an 80-degree crosswind that blew over houses just to the northeast of the runway threshold. The pilot did not report any mechanical deficiencies with the gyroplane prior to the accident.

Probable Cause and Findings

The pilot's failure to maintain control of the gyroplane during landing.

 

Source: NTSB Aviation Accident Database

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