STC SA4-1466

Supplemental type certificate · United Airlines Inc

Holder
United Airlines Inc · United States
Status
Current · Reissued
Status date
November 30, 2011
Applied
March 16, 1961
Product
Aircraft · Large Multi-Engine
Certification basis
Part 21
Data sheet
TCDS6A4

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

What it approves

Conversion of DC-6B interior from coach to first class arrangement per United Air Lines Drawing 15F-1800 change "C".

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 7702 Part 4b of the Civil Air Regulations Original Product Type Certificate Number :

6A4

Boeing

DC-6B Description of Type Design Change: Conversion of DC-6B interior from coach to first class arrangement per United Air Lines Drawing 15F-1800 change “C”.

Limitations and Conditions: The approval of change in the design applies basically to the model DC-6B only. This approval should not be extended to other specific aircraft 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 previ ously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft. If th e 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 16, 1961

Date of issuance: March 12, 1961

Date reissued: November 30, 2011

( Signature) Haifa Haj-Eid Supervisor, Technical & Administrative Support Staff, Los Angeles Aircraft Certification Office ( Title)

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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.

No AD in this release names this STC

Approved models · 1

MakeModelData sheet
The Boeing CompanyDC-6B6A4