Aviation Accident Summaries

Aviation Accident Summary CEN12LA495

Lakeview, AR, USA

Aircraft #1

N462CP

CIRRUS DESIGN CORP SR22

Analysis

During the takeoff roll on a grass runway, the airplane veered right and impacted trees and a fence. A check of the runway surface did not reveal any obstacles or reasons for the right turn. Examination of the airplane did not reveal any preimpact malfunctions with the airplane’s controls. The airplane was equipped with a Recoverable Data Module (RDM,) which records various aircraft parameters, including brake temperatures. The right brake temperature started at about 105 degrees Fahrenheit (F) and rose to a high of about 120 degrees F. The left brake temperature was not captured by the RDM, suggesting that the temperature sensor was not working at the time of the accident. Without the left brake sensor reading, a comparison of the left and right brake temperatures cannot be made; therefore, it cannot be determined if the pilot inadvertently applied the right brake during the takeoff roll.

Factual Information

On July 29, 2012, about 1430 central daylight time, a Cirrus SR22 airplane, N462CP, veered right during the takeoff roll and impacted trees near Gastons Airport (3M0), Lakeview, Arkansas. The private rated pilot and two passengers were not injured and the airplane was substantially damaged. The airplane was owned and operated by RTJ Aircraft, Inc., Wilmington, Delaware, under the provisions of 14 Code of Federal Regulations Part 91 as a personal flight. Day visual meteorological conditions prevailed for the flight, which operated without a flight plan. The flight was originating from 3M0 at the time of the accident. The pilot reported to the Federal Aviation Administration (FAA) inspector that during the takeoff roll the airplane pulled to the right. He was unable to correct the right turn and the airplane impacted a fence and trees before coming to a stop. Examination of the wreckage revealed that the outboard section of the left wing impacted a tree and was severed from the rest of wing; the remaining section, near the wing root, remained with the fuselage. A small outboard section of the right wing was separated during impact with the tree. The grass runway surface had the airplane’s tracks leading to the right, into the trees and fence. No obstacles or airplane debris were noted on the runway surface. The National Transportation Safety Board (NTSB) and a technical representative from the airframe manufacturer examined the airplane at a salvage yard. Examination of the airplane did not reveal any pre-impact mechanical malfunctions. The airplane’s Recoverable Data Module (RDM) and flight display’s data cards were removed and sent to the NTSB Vehicle Recorder Laboratory in Washington, D.C., for download. The display’s data cards did not contain any suitable data. The RDM records numerous airplane parameters. The RDM normally records both left and right brake temperatures; however, data for the left brake was absent on the RDM. The temperature data for the right brake started at about 105 degrees F, and rose to a maximum of about 120 degrees Fahrenheit (F). Other than the missing left brake temperature readings, no other abnormalities were noted.

Probable Cause and Findings

The pilot’s loss of control during the takeoff roll for reasons that could not be determined because postaccident examination of the airplane did not reveal any anomalies that would have precluded normal operation.

 

Source: NTSB Aviation Accident Database

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