Installation of Decca IIB 06 omnitrac area navigation system. Operations will not be predicated on use of vertical guidance information of area navigation system.

Please contact modification supplier for further details.

STC Status: Amended
STC Date: 29/06/71
Responsible Office: Atlanta Aircraft Certification Office (ACE-115A), Tel: (404) 474-5500

McDonnell Douglas Corporation

• DC-9-31