What it approves
Modify existing Collins Radio Company type FD-109 Flight Director installation to add 'Steering,' 'Airspeed-Hold,' and 'Auto Approach' modes. (727-22)
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.
600 Jefferson Street Houston, Texas 77002 Part 25 of the Federal Aviation Regulations.
A3WE
Boeing
727-22, -22QC Description of Type Design Change : Modify existing Collins Radio Company type FD-109 Flight Director installation to add “Steering”, “Airspeed-H old”, and “Auto Approach” modes in accordance with FAA Approved United Air Lines Engineering and Maintenance Report F-1234 and FAA Approved United Air Lines Supplementary Revision 2 to Boeing Airplane Flight Manual D6-8727.1.
Limitations and Conditions: This approval should not be extended to other specific aircraft of this model on which other previously appr oved modifications are incorporated, unless it is determined that the interrelationship between this cha nge and any of those other previ ously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft. If the holder agrees to permit another person to use this certificate to alter the product, th e holder shall give the other person written evidence of that permission.
This certificate and the supporting data, which is the basis for approval, shall remain in effect until surrendered, suspended, revoked or a termination date is otherwise established by the Administrator of the Federal Aviation Administration.
Date of application: November 30, 1967
Date of issuance: June 3, 1968
Date reissued: November 30, 2011
( Signature) Haifa Haj-Eid Supervisor, Technical & Administrative Support Staff Los Angeles Aircraft Certification Office ( Title)
NOTE:
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