Installs two HF communications systems per United Air Lines drawing COA 4-1723. The system design is as much like Boeing installation on W. A. L. airplanes as possible but using Aeronautical Engineers Inc. design dual wire antenna systems per drawings AE2257 and AE2264 and South Eastern Region STC No. ST564SO. (720-022)

Please contact modification supplier for further details.

STC Status: Reissued
STC Date: 30/11/11
Responsible Office: Ft. Worth Special Certification Office (ASW-190), Tel: (817) 222-5190

Boeing Company, The

• 720 Series