On October 8, 1983, a Cessna 210L (registration N1778X) was involved in an aviation accident near St. Augustine, FL. Investigators recorded the probable cause as: The hydraulic system had evidence of water and the flow control manifold assembly valve had rusted, causing the gear doors to operate improperly. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
Aircraft landed with gear up after hydraulic system failure. Pilot reported gear would not extend. Investigation found water and rust in hydraulic components.
Incident Overview
An aircraft landed with its landing gear retracted after the gear could not be extended during flight. The pilot stated that during the approach to St. Augustine, attempts to lower the landing gear were unsuccessful. The gear doors would open and the hydraulic pump was operational, but the gear would not extend. Manual attempts to hand-pump the gear down also failed.
Post-Crash Investigation
A post-crash examination revealed that the hydraulic system contained evidence of water. Additionally, the flow control manifold assembly valve had rusted, which caused the gear doors to operate improperly, preventing the landing gear from extending.
Probable cause
The hydraulic system had evidence of water and the flow control manifold assembly valve had rusted, causing the gear doors to operate improperly.
Frequently asked questions
What happened in the 8 Oct 1983 Cessna 210L accident near St. Augustine, FL?
Aircraft landed with gear up after hydraulic system failure. Pilot reported gear would not extend. Investigation found water and rust in hydraulic components.
What aircraft was involved and where did it happen?
The accident on 8 Oct 1983 involved a Cessna 210L, registration N1778X, at St. Augustine, FL.
What was the probable cause of the accident?
The hydraulic system had evidence of water and the flow control manifold assembly valve had rusted, causing the gear doors to operate improperly.
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