Extension of main rotor blade, P/N 61170-20201 series. For model S-61A, serial numbers 61-063, 61-147, 61-232, 61-272; for model S-61N, 61-216, 61-220, 61-242, 61-744; for model S-61R, 61-551.
Extension of main rotor blade, P/N 61170-20201 series. For model S-61A, serial numbers 61-063, 61-147, 61-232, 61-272; for model S-61N, 61-216, 61-220, 61-242, 61-744; for model S-61R, 61-551.
Please contact modification supplier for further details.
STC Status: Amended
STC Date: 17/10/03
Responsible Office: New York Aircraft Certification Office (ANE-170), Tel: (516) 228-7300
Sikorsky Aircraft Corporation