Did you ever get that information? Im looking for the installation manual for the APS-42 system in the C-54. Specifically any information on the revised datum reference. With the radome nose being longer, the statement in the manual "Datum is 3" from nose" would no longer apply.
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Kevin Kearney
Vice President
Berlin Airlift Historical Foundation
C-54D "Spirit of Freedom" 43-17228
C-97 "Angel of Deliverance" 52-2718 (painted as YC-97A 45-59595)
C-54E/R5D-4 "Spirit of Freedom" 44-9144 BuNo 90414 (wfu April/2020)http://www.spiritoffreedom.org