47-32-11 BELL: (Was Mandatory Note 11 of AD-1H-1.) Applies to Models 47B and 47B3 Helicopters.
Compliance required not later than the next 25-hour inspection after September 15, 1947.
The antenna mast should be supplemented with antenna mast support, 47-762-023-1. This support is intended to relieve the antenna loads from the lead-in mast.
(Bell Service Bulletin 47C33 dated June 12, 1947, also covers this same subject.)