# STC SA4224NM-D

- Type: Supplemental type certificate
- Status: Current, Surrendered
- Holder: GATX/Airlog Company, United States
- Description: Structural modification to stretched aft upper deck. (747-122)
- Applied: January 24, 1994
- Status date: July 8, 2008
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE)
- Certificate PDF: https://openairdocs.org/files/sha256/cc/bc/ccbc96418ae07da7880dec25e7ce71f8d96978f81b298fb55204ed6ba1aaeebe
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4DDBA2BB42E1282B862574890064160E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4224NM-D

## ADs that name it (0)

None.

## Approved models (1)

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

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Re-issued on July 8, 2008 to supersede the original STC, which has been lost or misplaced or destroyed.

Number: SA422ANDA-D This certificate issued to: GATX/Airlog P.O. Box 3529 Albany, Georgia 31706 wart 25 of the Federal Aviation regulations STC Surrender processed:

Original Product - Type Certifioate Number. A2OWE Meh Моано Boei Approval by:

Melyn Tayigt, ATL ACO Manager Море 47- 22 Make: 7/8/08° Description of Type Design Change: Struct ura. Mødification to stretched aft upper deck in accordance with Lucas Aviation impentation:

• Index List Dated 03/03/94

• Master Drawing List Dated 03/03/94 Or later FAA approved Ignisions Limitations and Conditions: Tr approval should not be incorporated on any incorporated certificated product Lof and any of effect upon to airdrait of, thase the erial side cargo door convertible airplane) per STC No. SA1955CE-D and have so limited to those aircraft which have been converted to the CRAF airworthiness of the certificated product. less previqusly incorporated modifications will not introduce any adverse numbers 19755, 19756, 19757, 19753 and 19754. The applicability it this model on which other approved modifications are determined that the interrelationship between this change This approval is limited modi ed in accordance with STC SA4196NM-D. A copy of this STC must be included che permanent records of the modified aircraft.

Date of Application: January 24, 1994 Date Reissued: March 17, 1995 Date of Issuance: March 3, 1994 Date Amended:

EDERAL AVIATION By Direction of the Administrator Natalutantrau (Signature) Natalie Phan-Tran Acting Manager, Technical & Admin.

TOMNISTRATOS Support Staff, ANM-1031

FAA Form 8110-1(10-68) Page 1 of 2

## Every issue (1)

- July 8, 2008: Surrendered, Current. [certificate](https://openairdocs.org/files/sha256/cc/bc/ccbc96418ae07da7880dec25e7ce71f8d96978f81b298fb55204ed6ba1aaeebe)

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