What it approves
Installation of a Safe Flight Instrument Corporation Speed Command Attitude and Thrust (SCAT) Computer and a Windshear Monitor Computer in accordance with United Air Lines Change Order Authorization (COA) No. T-3306 dated May 1, 1980, plus EVAs No. 48-1590 and 48-1591. United Air Lines FAA Approved Airplane Flight Manual Supplements (two) dated September 18, 1980, or later FAA approved revisions to Boeing Airplane Flight Manual Document No. D6-13703 are required as a part of this installation.
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
A20WE
Boeing
747-122, S/N 19928 Description of Type Design Change : Installation of a Safe Flight Instrument Corporation Speed Command Attitude and Thrust (SCAT) Computer a nd a Windshear Monitor Computer in accordance with United Air Lines Change Order Authorizati on (COA) No. T-3306 dated May 1, 1980, plus EVAs No. 48-1590 and 48-1591. United Air Lines FAA Approve d Airplane Flight Manual Supplements (two) dated September 18, 1980, or later FAA approved revisions to Boeing Airplane Flight Manual Document No. D6-13703 are required as a part of this installation.
Limitations and Conditions: The approval of this change in type design applies to Boeing Model 747-122, S/N 19928 airplane only. This approva l becomes void after September 15, 1981, in accordance with Title 14 CFR part 21.51.
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: February 19, 1980
Date of issuance: September 19, 1980
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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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 · 1
| Make | Model | Data sheet |
|---|---|---|
| The Boeing Company | 747-100 Series | A20WE |
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 |
| September 19, 1980 | Issued, earlier issue | Certificate |