What it approves
Install dual Mode S transponders and provisions for traffic alert and collision avoidance system (TCAS).
What the certificate says
From the PDF’s text layer, without the form’s printed wording. Layout and order may differ; the PDF is the record.
This certificate issued to: American Airlines, Inc.
3900 N. Mingo Road Tulsa, OK 74116
Part 25 of the Federal Aviation Regulations, as amended in the TCDS.
Original Product - Type Certificate Number : A6WE Make : McDonnell Douglas Corporation Model : DC-9-82, DC-9-83
Install dual Mode S Transponders and provisions for Traffic Alert and Collision Avoidance System (TCAS) per Trans World Airlines (TWA) Engineering Report No. 1805, Revision A, dated March 1, 1990, or later FAA approved revision. Activate the Collins Mode S Transponder and TCAS (TCAS II) per: (1) TWA Engineering Report No. 1805, Revision D, dated July 12, 1991; and (2) TWA Airplane Flight Manual Supplement dated July 15, 1991; or later FAA approved revisions of (1) or (2).
This approval should not be extended to other specific airplanes of these models on which other previously approved modifications are incorporated, unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that airplane. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.
Date reissued : October 14, 2008
Date amended : July 15, 1991
Original signed by William Schinstock
( Signature) William Schinstock Associate ACO Manager, Airframe & Services Wichita Aircraft Certification Office (Title) Date of application : February 1, 1990 Date of issuance : March 26, 1990
ADs that name this STC · 0
An AD can apply because an STC is installed, or mention one in its text.