Modify tail rotor pitch change mechanism to add duplex bearing, (P/N 47-641-131-1) in place of single row bearing. Approved for Bell models 47D1, 47G, and 47G-2 with 47-640-044 tail rotor gear box assembly.
Modify tail rotor pitch change mechanism to add duplex bearing, (P/N 47-641-131-1) in place of single row bearing. Approved for Bell models 47D1, 47G, and 47G-2 with 47-640-044 tail rotor gear box assembly.
Please contact modification supplier for further details.
STC Status: Reissued
STC Date: 15/12/10
Responsible Office: Chicago Aircraft Certification Office (ACE-115C), Tel: (847) 294-7358
Scotts-Bell 47 Inc