What it approves
Installation of equipment required to conduct NASA/UAL global air sampling program. (747SP SERIES -122) (747-121)
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 United Air Lines, Inc.
600 Jefferson Street Houston, Texas 77002
Part 25 of the Federal Aviation Regulations dated December 31, 1953.
A20WE
Boeing
747-122, 747-121, 747-238B, 747-SP-21 Description of Type Design Change: Installation of equipment required to conduct NASA/United Air Lines Global Air Sampling Program. Equipment installed according to COA 8-1540 and Master Drawing List dated January 8, 1975 or later FAA approved revision.
Limitations and Conditions: This approval is limited to 747 model airplanes as listed above. This approval should not be extended to other specific airplanes of this model on which other previously approved modifications are incorporated unless it is determined that the inter-relationship between this change and any other previously approved modifications will introduce no adverse effect on 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.
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 7, 1974
Date of issuance: December 10, 1974
Date reissued: November 30, 2011
Date amended: November 25, 1975, April 6, 1976
( Signature) Haifa Haj-Eid Supervisor, Technical & Administrative Support Staff Los Angeles Aircraft Certification Office ( Title)
NOTE:
DO NOT DELETE THIS PAGE.
DO NOT ADD ANY DATA TO THIS PAGE.
THIS PAGE IS FOR PAGE NUMBERING PURPOSES, PLEASE DISCARD PRINTED COPY.
ADs that name this STC · 0
An AD can apply because an STC is installed, or mention one in its text.
Approved models · 3
Every issue · 2
DRS keeps each issue of an STC as its own record, with its own certificate and attachments.
| Date | Status | Files |
|---|---|---|
| November 30, 2011 | Reissued, current | Certificate |
| June 4, 1976 | Amended, earlier issue | Certificate |