# STC SA2658WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: United Airlines Inc, United States
- Description: Modification of lower deck cargo compartment restraint system. (747-122)
- Applied: November 22, 1972
- Status date: November 30, 2011
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE)
- Certificate PDF: https://openairdocs.org/files/sha256/5f/b0/5fb042cd1e0c15c3357a0154f4059ac98c05f945af83d7962a7ccdf743089373
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D6CE2AD45A8D43C786257999006FAB41.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2658WE

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 747-100 Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))

## 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 25 of the Federal Aviation Regulations.

(See Type Certificate Data Sheet A20WE.)

A20WE

Boeing

747-122 Description of Type Design Change: Modification of the Boeing 747- 122 airplane lower deck cargo compartment restraint system to accommodate NAS 3610 Size A aircraft unit load devices in accordance with FAA Approved Drawing List COA 8-1158 or later FAA approved revisions.

Limitations and Conditions: The approval of this change of type design applies basically to the Boeing 747-122 airplane only. The 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 ot her previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft. This determination should include consideration of significant changes in weight distribution such as an incr ease in the fixed disposable weight in the fuselage.

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: November 22, 1972

Date of issuance: March 14, 1973

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.**

## Every issue (2)

- November 30, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/5f/b0/5fb042cd1e0c15c3357a0154f4059ac98c05f945af83d7962a7ccdf743089373)
- March 14, 1973: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/0b/df/0bdff6a5d23f731be31bd145ecc21c6f63cca7840cd069d686b3cbf6d0565312)

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