On November 19, 1985, a Cessna 210M (registration N823AR) was involved in an aviation accident near Ft.lauderdale, FL. Investigators recorded the probable cause as: A fatigue crack in the right main landing gear hydraulic actuator, which allowed hydraulic fluid to be pumped overboard and prevented actuator extension. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
During cruise flight, a pilot's attempt to lower the landing gear failed as the right main gear would not extend. Manual extension efforts succeeded for nose and left gear only. The aircraft landed and slid off the runway, sustaining substantial damage. Post-accident inspection revealed a fatigue crack in the right main gear hydraulic actuator, causing hydraulic fluid loss and preventing extension.
Incident Details
While the aircraft was in cruise flight, the pilot attempted to lower the landing gear. The right main landing gear failed to extend. During this process, the aircraft generator went offline. The pilot then attempted to manually lower the landing gear, managing to extend the nose gear and left main gear, but the right main gear remained retracted. The pilot subsequently landed the aircraft with the right main gear not extended. Upon landing, the aircraft slid off the runway and sustained substantial damage.
Examination Findings
A post-accident examination of the right landing gear hydraulic actuator was conducted. The examination revealed that the actuator was cracked due to fatigue. This fatigue crack allowed hydraulic fluid to be pumped overboard, which caused the actuator to fail to extend the right main landing gear.
Probable cause
A fatigue crack in the right main landing gear hydraulic actuator, which allowed hydraulic fluid to be pumped overboard and prevented actuator extension.
Frequently asked questions
What happened in the 19 Nov 1985 Cessna 210M accident near Ft.lauderdale, FL?
During cruise flight, a pilot's attempt to lower the landing gear failed as the right main gear would not extend. Manual extension efforts succeeded for nose and left gear only. The aircraft landed and slid off the runway, sustaining substantial damage. Post-accident inspection revealed a fatigue crack in the right…
What aircraft was involved and where did it happen?
The accident on 19 Nov 1985 involved a Cessna 210M, registration N823AR, at Ft.lauderdale, FL.
What was the probable cause of the accident?
A fatigue crack in the right main landing gear hydraulic actuator, which allowed hydraulic fluid to be pumped overboard and prevented actuator extension.
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