Installation of upgraded ELS/EHS Mode S ATC Transponders in Boeing 747-400 airplanes in accordance with Northwest Aerospace Technologies, Inc. (NAT) Master Drawing List N0207-D10, Revision A, dated September 29, 2004, or later Federal Aviation Administration (FAA) approved revisions.

Please contact modification supplier for further details.

STC Status: Issued
STC Date: 28/10/04
Responsible Office: Seattle Aircraft Certification Office (ANM-100S), Tel: (425) 917-6400

Boeing Company, The

• 747-400 Series