STC SA3575WE-D

Supplemental type certificate · United Airlines Inc

Holder
United Airlines Inc · United States
Status
Current · Reissued
Status date
November 30, 2011
Applied
March 10, 1978
Product
Aircraft · Large Multi-Engine
Certification basis
Part 21, Part 25
Data sheet
TCDSA3WE

From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 6, 2025.

What it approves

Remove all first class seats, the class divider, the carry-on baggage and garment bag modules and replace with all coach seats to increase seating capacity to 112 passengers

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.

A3WE

Boeing

727-022 Description of Type Design Change: Remove all first class seats, the class divider, the carry-on baggage and garment bag modules and replace with all coach seats to increase seating capacity to 112 passengers in accordance with United Air Lines, DAS-1WE, Approved Drawing List No. 3575 dated April 24, 1978, or later FAA approved revisions.

Limitations and Conditions: This approval should not be extended to specific airplanes of this model on which other previously approved modifications are 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: March 10, 1978

Date of issuance: April 24, 1978

Date reissued: November 30, 2011

( 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.

No AD in this release names this STC

Approved models · 1

MakeModelData sheet
The Boeing Company727 SeriesA3WE