# STC SA1006NW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Aviation Technical Services, United States
- Description: Installation of Avionics and Flight Instruments
- Applied: June 15, 1979
- Status date: October 24, 2018
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 4A21](https://openairdocs.org/tcds/4A21)
- Certificate PDF: https://openairdocs.org/files/sha256/db/50/db50f6b0048562a3920aec4d26c5c7de9fb194b83e67f996a7dc50ced0cffd57
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/EE9E804B21E04C6386258335004DC6B1.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1006NW

## ADs that name it (0)

None.

## Approved models (2)

- The Boeing Company 707-100B Long Body ([TCDS 4A21](https://openairdocs.org/tcds/4A21))
- The Boeing Company 707-100B Short Body ([TCDS 4A21](https://openairdocs.org/tcds/4A21))

## 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.

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

Number SA1006NW

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

Part 4b of the Civil Air Regulations. (See Type Certification Data Sheet A16WE for complete certification basis) Original ProductType Certificate Number: 4A21 Make: Boeing Model: 707-138B

Description of the Type Design Change: Installation of Avionics and Flight Instruments in accordance with the FAA sealed Transport Repair and Maintenance Company Top Drawing No. 80 -011, Revision A, dated May 29, 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 Number 17696, only.

The FAA approved Transport Repair and Maintenance Company Airplane Flight Manual Supplement, dated August 6, 1980, is required as part of this installation. A copy of this certificate shall be maintained as part of the permanent records for the modified airplane.

Date of application: June 15, 1979 Date reissued: October 24, 2018 Date of issuance: August 6, 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)

## Every issue (1)

- October 24, 2018: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/db/50/db50f6b0048562a3920aec4d26c5c7de9fb194b83e67f996a7dc50ced0cffd57)

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