On November 13, 1988, a Beech 35-A33 (registration N431T) was involved in an aviation accident near Marietta, GA. Investigators recorded the probable cause as: The right brake hose ruptured at the caliper, causing loss of right brake fluid and pressure. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
During a preflight run-up at the end of the active runway, the right brake failed, causing the airplane to pivot left and overturn on an embankment. Investigation revealed a ruptured brake hose.
Incident Details
During a preflight engine run-up at the end of the active runway, the right brake of the airplane malfunctioned while the engine was at a high power setting. This caused the airplane to pivot sharply to the left. The pilot reported that the sequence unfolded so rapidly that he may have inadvertently added power while attempting to reduce it. He also stated that he continued pressing the brake pedals, which steered the aircraft left toward a steep bank. The airplane rolled approximately 200 feet and overturned on the side of an embankment.
Investigation Findings
The investigation determined that the right brake hose had ruptured at the caliper, resulting in a loss of right brake fluid and pressure. The brake hose was original equipment, with an age of 28 years. An annual inspection had been performed five months prior to the accident.
Probable cause
The right brake hose ruptured at the caliper, causing loss of right brake fluid and pressure.
What happened in the 13 Nov 1988 Beech 35-A33 accident near Marietta, GA?
During a preflight run-up at the end of the active runway, the right brake failed, causing the airplane to pivot left and overturn on an embankment. Investigation revealed a ruptured brake hose.
What aircraft was involved and where did it happen?
The accident on 13 Nov 1988 involved a Beech 35-A33, registration N431T, at Marietta, GA.
What was the probable cause of the accident?
The right brake hose ruptured at the caliper, causing loss of right brake fluid and pressure.
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