# STC SA4143NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: AviAero LLC, United States
- Description: Installation of alternate 7th pallet arrangement.
- Applied: October 28, 1987
- Status date: July 13, 2015
- 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/e4/d9/e4d954f71ff3edbc811844b51aba6330ad63e1f9b477f717c2baeaf923630eb8
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/006C54F078A8D80A86257E83005B9A57.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4143NM

## ADs that name it (0)

None.

## Approved models (2)

- The Boeing Company 747-200B Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-300 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.

Number SA4143NM

This certificate, issued to AviAero LLC 7777 Perimeter Rd. S #7 Seattle, WA 98108

Part 25 of the Federal Aviation Regulations.

Original ProductType Certificate Number: A20WE Make: Boeing Model: 747-200B and 747-300

Description of the Type Design Change: Installation of an alternate 7th Pallet arrangement in accordance with Federal Aviation Administration (FAA) approved SIREN Master Drawing List for Dwg. 5298-3, Revision a., dated May 1987, or later FAA approved revision.

Limitations and Conditions: Approval of this change in type design applies to the above model aircraft only.

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 relationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this certificate and SIREN Master Drawing List for Dwg. 5298-3 must be maintained as part of the permanent records for the modified aircraft. This supplemental type certificate is limited to airplanes previously FAA-approved for 6/7 pallet operation (see FAA-approved Weight and Balance Manual D6-13700).

Date of application: October 28, 1987 Date reissued: November 19, 1987; July 13, 2015 Date of issuance: November 6, 1987 Date amended:

(Signature)

Manager, Seattle Aircraft Certification Office (Title)

## Every issue (2)

- July 13, 2015: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/e4/d9/e4d954f71ff3edbc811844b51aba6330ad63e1f9b477f717c2baeaf923630eb8)
- November 19, 1987: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/af/98/af98c8d5165e8158a8348fa21be8d384211cd74ad527b8eb277a627392f4c112)

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