STC SA948NW

Supplemental type certificate · Aviation Technical Services

Holder
Aviation Technical Services · United States
Status
Current · Reissued
Status date
October 24, 2018
Applied
July 17, 1979
Product
Aircraft · Large Airplane
Certification basis
Part 21
Data sheet
TCDS4A21

From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 6, 2025.

What it approves

Installation of zero passenger, zero cargo configuration

What the certificate says

From the PDF’s text layer, without the form’s printed wording. Layout and order may differ; the PDF is the record.

Un ited S tates of Am erica Department of Transportation - Federal Aviation Administration Supplemental Type Certificate

Number SA948NW

This certificate, issued to Aviation Technical Services 3121 109th Street SW Everett, WA 98204-3500

Part 4b of the Civil Air Regulations. (See Type Certificate Data Sheet 4A21 for complete certification basis)

Original ProductType Certificate Number: 4A21 Make: Boeing Model: 707-138B, Serial No. 17696

Description of the Type Design Change: Installation of zero passenger, zero cargo configuration in accordance with the FAA sealed Tramco Drawing No. 80-009 dated May 6, 1980.

Limitations and Conditions: Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation in Boeing Model 707-138B, Serial No. 17696 only. A copy of this Certificate shall be maintained as part of the permanent records for the modified aircraft.

Date of application: July 17, 1979 Date reissued: October 24, 2018 Date of issuance: June 5, 1980 Date amended:

FAA FORM 8110-2 (5/14) PAGE 1 OF 2 PAGES By direction of the Administrator

(Signature)

Manager, Seattle ACO Branch (Title)

ADs that name this STC · 0

An AD can apply because an STC is installed, or mention one in its text.

No AD in this release names this STC

Approved models · 2

MakeModelData sheet
The Boeing Company707-100B Long Body4A21
The Boeing Company707-100B Short Body4A21

Every issue · 2

DRS keeps each issue of an STC as its own record, with its own certificate and attachments.

DateStatusFiles
October 24, 2018Reissued, currentCertificate
June 5, 1980Issued, earlier issueCertificate