# STC SA1392NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Airweld Inc., United States
- Description: ONE ONLY STC; S/N 46081: Installation of a single or dual AiResearch GTCP85-98CK and/or GTCP85-98CK(D) Auxiliary Power Units in the forward baggage compartment
- Applied: March 3, 1980
- 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/d3/e6/d3e64adad433f29383a28a0055379c995dc35e09b4b4969eb125ff8f53d2f5b3
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8CCA561478E1FA9A86257449004DA479.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1392NM

## 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

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.

This Certificate issued to AIRWELD, INC.

**8167 BELVEDERE AVENUE, SUITE D SACRAMENTO, CALIFORNIA 95826**

Part 4b of the Civil Air Regulations. and additional conditions identified in CAE/Winters/Cammacorp Compliance Report No. CAM-1 Original Product Type Certificate Number :

4A25

McDonnell Douglas Corporation

DC-8-72, S/N 46081 Description of Type Design Change: Installation of a single or dual AiResearch GTCP85-98CK and/or GTCP85-98CK(D) Auxiliary Power Units in the fo rward baggage compartment, in accordance with Cammacorp, Drawing List No. 87200, Revision “F1”, dated December 20, 1982, FAA approved Cammacorp Airplane Flight Manual No. 120, dated February 15, 1983, is required as part of this installation.

Limitations and Conditions: This approval is for ground operati on only. Data not suitable for reproduction of installation in other aircraft. No add itional modifications of this type are to be approved solely by reference to this Supplemental Type Certifi cate or to the data submitted therefore. This approval is limited to the installation made in DC-8-72, S/N 46081 only.

Date of application : March 3, 1980

Date of issuance : February 15, 1983

Date reissued: August 15, 1986; April 10, 1989;

July 16, 1997; January 5, 2000; December 3, 2001; April 28, 2008

( Signature) Manager, Propulsion Branch 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.**

Number (STC No.)

## Every issue (1)

- April 28, 2008: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/d3/e6/d3e64adad433f29383a28a0055379c995dc35e09b4b4969eb125ff8f53d2f5b3)

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