What it approves
Boeing 720-22 Alternate Seating Configuration (UAL Change Order Authorization COA 4-1477) per United Air Lines Drawing List No. COA 4-1477 dated July 3, 1967.
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 4b of the Civil Air Regulations.
4A28
Boeing
720-22 Description of Type Design Change : Boeing 720-22 Alternate Seating C onfiguration (UAL Change Order Authorization COA 4-1477) per United Air Lines Drawing List No. COA 4-1477 dated July 3, 1967.
Limitations and Conditions: This approval should not be extended to other specific airplanes of this model on which other previously approved modifications ar e incorporated, unless it is determined that the interrelationship between this change and any of those other previously 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, the 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: June 20, 1967
Date of issuance: July 3, 1967
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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ADs that name this STC · 0
An AD can apply because an STC is installed, or mention one in its text.
Approved models · 1
| Make | Model | Data sheet |
|---|---|---|
| The Boeing Company | 720 Series | 4A28 |