What it approves
The interior arrangements in the applicable aircraft have been revised as indicated by the following United Air Lines documents: 1. 7 rows of First Class seats and 12 rows of Tourist Seats per United Air Lines Drawing 6F-8042 "no change" or (continued on page 3 )
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.
Number SA4-1570 This Certificate issued to United Air Lines, Inc.
600 Jefferson Street Houston, Texas 77002 Part 4b of the Civil Air Regulations.
December 31, 1953, Amendment 4b-1 through 4b-7 Original Product Type Certificate Number :
4A26 Boeing 720-022 Description of Type Design Change: The interior arrangements in the applicable aircraft have been revised as indicated by the following United Air Lines documents:
1. 7 rows of First Class seats and 12 rows of Tourist Seats per United Air Lines Drawing 6F-8042 “no change” or (continued on page 3 ) Limitations and Conditions: This approval should not be ex tended to other aircraft of this model 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 of application :June 23, 1961
Date of issuance : December 12, 1961
Date reissued : September 10, 1962, November 30, 2011
(Signature) Haifa Haj-Eid Supervisor, Technical & Administrative Support Staff Branch, Los Angeles Aircraft Certification Office ( Title)
Transfer the ownership of the Supplemental Type Certificate Number to (Name of transferee) (Address of transfer) (Number and street)
(City, State, and Zip code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street)
(City, State, and Zip code) Extent of Authority (if licensing agreement):
Signature of grantor (In ink):
U.S. GPO 1987-763-28
Number SA4-1570
Description of Type Design Change: Continued
2. 12 rows of Tourist Seats and 7/8 rows of First Class Seats per United ER#1 dated August 6, 1962 and ER dated August 14, 1962 or United Air Lines COA 4-714 dated August 9, 1962; or
3. 12 rows of Tourist Seats and 8 rows of 5 abreast Economy First Class per United Air Lines ER #1 dated August 1 1962, #2 dated August 2, 1962, and #3 dated August 15, 1962 to United Air Lines COA 4-710 dated August 13, 1962.
-END-
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 |