Browse Standards AS4775A
Historical REAFFIRMED 2011-01-14

Aircraft Maintenance Jacks - General Requirements AS4775A

This document covers the general requirements for hydraulic aircraft jacks. It can be applied to tripod, unipod, and axle jacks that may be used on open ramp areas as well as in the aircraft hanger.
Throughout this Aerospace Standard, the minimum essential criteria are identified by the key word “shall”. Recommended criteria are identified by use of the key word “should”. Deviation from recommended criteria should only occur after careful consideration and thorough service evaluation have shown alternate methods to provide an equivalent level of safety.
The term “vertical load” throughout this Aerospace Standard is defined as the force imposed on the aircraft jack at the airframe jack point.
AS4775B
2021-09-30
Latest
Reaffirmed
AS4775A
2011-01-14
Historical
Reaffirmed
AS4775
1994-07-01
Historical
Issued

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