Aviation Accident Summaries

Aviation Accident Summary ANC10CA037

Port Moller, AK, USA

Aircraft #1

N3774Z

PIPER PA-18-150

Analysis

The private pilot was on a local passenger flight in conjunction with a wilderness lodge operating under Title 14, Code of Federal Regulations Part 91, when the accident occurred. The pilot said that during landing at an off-airport site he was in a left base to final turn when the left rudder became unresponsive. He said that he was able to level the wings with the ailerons just before the airplane impacted the ground. The pilot reported that the takeoff and earlier flight had been uneventful, but after the accident he and the passenger noted that the left rudder cable retaining bolt was missing. The left wing and fuselage received substantial damage during the impact with terrain. The pilot reported that the rudder cable connection is routinely inspected prior to every flight, and that prior to the accident flight no discrepancy was noted.

Factual Information

The private pilot was on a local passenger flight in conjunction with a wilderness lodge operation operating under Title 14, CFR Part 91, when the accident occurred. The pilot said during landing at an off airport site he was in a left base to final turn when the left rudder became unresponsive. He said he was able to level the wings with the ailerons just before the airplane impacted the ground. The pilot said the takeoff and flight had been uneventful, but after the accident he and the passenger noted that the left rudder cable retaining bolt was missing. He said the left wing and fuselage received substantial damage during the impact with terrain. The pilot reported that the rudder cable connection is routinely inspected prior to every flight, and that prior to the accident flight no discrepancy was noted.

Probable Cause and Findings

The loss of the left rudder cable retaining bolt during base to final turn, resulting in a loss of control and impact with terrain.

 

Source: NTSB Aviation Accident Database

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