# STC SA2465NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Airweld Inc., United States
- Description: ONE ONLY STC; S/N 46081: nstallation of Winters Air Stair in the forward passenger entry door. (Approved for DC-8-72 S/N 46081 ONLY)
- Applied: July 19, 1984
- Status date: April 28, 2008
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 4A25](https://openairdocs.org/tcds/4A25)
- Certificate PDF: https://openairdocs.org/files/sha256/42/09/4209dc0e8845c1dbb744259dd926207d84bce140a4ef5022187258bb8917ca0e
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C06EB62E6718EAF586257448007D56A0.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2465NM

## ADs that name it (0)

None.

## Approved models (1)

- McDonnell Douglas Corporation DC-8-72 ([TCDS 4A25](https://openairdocs.org/tcds/4A25))

## 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 Number: SA2466NM This certificate issued to: AIR WELD, INCORPORATED 8167 Belvedere Avenue, Suite D Sacramento, California 95826 Part 4b of the Civil Air Regulations.

Original Product Type Certificate Number 4A25 Make: McDonnell Douglas Model: DC-8-73, S/N 46095 Description of Type Design Change: Installation of Winters airstair in the aft passenger entry door of a DC-8-73, Serial Number 46095, in accordance with FAA sealed Winters Master Drawing List Number 1423-8200, Revision "L", dated July 25, 1984.

Limitations and Conditions: Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation made in DC-8-73, Serial Number 46095 only. No additional modification of this type are to be approved solely by reference to this Supplemental Type Certificate or to the data submitted thereof. 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.

suspended, revoked or a termination date is otherwise established by the Administrator of the Federal Aviation Administration Date of Application: April 20, 1983 Date Reissued: November 3, 1988; July 16, 1997; January 5, 2000; December 3, 2001; April 28, 2008 Date of Issuance: January 11, 1985 Date Amended:

FEDERAL AVIATION By Direction of the Administrator Lant Ratit (Signature) TOMINISTRATO Mansour Rafat Manager, Cabin Safety/Mechanical & Environmental Systems Branch Los Angeles Aircraft Certification Office (Title)

## Every issue (1)

- April 28, 2008: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/42/09/4209dc0e8845c1dbb744259dd926207d84bce140a4ef5022187258bb8917ca0e)

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