# STC SA1115NW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Aviation Technical Services, United States
- Description: Installation of Global Navigation GNS 500A, Series 3, VLF/Omega System. Systems installation
- Applied: October 3, 1980
- Status date: October 24, 2018
- Product: Aircraft, Large Airplane
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE)
- Certificate PDF: https://openairdocs.org/files/sha256/8e/ce/8ece7936095d64df08379c96e5a80f2e15ed668aa68d5538c58ffc284faf0ec9
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2C5CBA96B617FB5186258335004DC6CA.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1115NW

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 737-200 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE))

## 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 SA1115NW

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

Part 25 of the Federal Aviation Regulations Original ProductType Certificate Number: A16WE Make: Boeing Model: 737-2S2C

Description of the Type Design Change: Installation of Global Navigation GNS 500A, Series 3, VLF/Omega System. Systems installation in accordance with FAA sealed TRAMCO, Inc. Top Drawing No. 80-017, Revision “B”, dated December 4, 1980.

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 Boeing Model 737-2S2C, Serial Number 21928, only. A copy of this certificate shall be maintained as part of the permanent records for the modified airplane.

Date of application: October 3, 1980 Date reissued: October 24, 2018 Date of issuance: December 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)

## Every issue (1)

- October 24, 2018: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/8e/ce/8ece7936095d64df08379c96e5a80f2e15ed668aa68d5538c58ffc284faf0ec9)

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