Installation of Chadwick-Helmuth HUMS System using Drawing No. CHS61-31-006, dtd 8/22/01.
Installation of Chadwick-Helmuth HUMS System using Drawing No. CHS61-31-006, dtd 8/22/01.
Please contact modification supplier for further details.
STC Status: Issued
STC Date: 22/10/01
Responsible Office: New York Aircraft Certification Office (ANE-170), Tel: (516) 228-7300
Sikorsky Aircraft Corporation