# STC SA3361WE-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: United Airlines Inc, United States
- Description: Installs a 16 first class/123 coach dual class seating configuration
- Applied: October 11, 1977
- Status date: November 30, 2011
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 4A25](https://openairdocs.org/tcds/4A25)
- Certificate PDF: https://openairdocs.org/files/sha256/9c/d6/9cd62e7d38709555126ac2d92a8926d427049bc28926ced2a9e2fe7e3fe36fab
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/41143C9F91D2151F8625799700730358.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3361WE-D

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company DC-8-62 ([TCDS 4A25](https://openairdocs.org/tcds/4A25))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

600 Jefferson Street Houston, Texas 77002

Part 4b of the Civil Air Regulations.

*See Type Certificate Data Sheet 4A25.

4A25

Boeing

DC-8-62 Description of Type Design Change: Installs a 16 first class/123 coach dual class seating configuration in accordance with United Air Lines DAS-1-WE Drawing List No. 3361 dated January 16, 1978 or later FAA approved revision.

Limitations and Conditions: This approval should not be extended to other 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 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: October 11, 1977

Date of issuance: January 16, 1978

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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## Every issue (1)

- November 30, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/9c/d6/9cd62e7d38709555126ac2d92a8926d427049bc28926ced2a9e2fe7e3fe36fab)

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