# STC SA2684NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Aviation Technical Services, United States
- Description: Installation of a 186 passenger interior arrangement
- Applied: November 26, 1984
- Status date: October 24, 2018
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A3WE](https://openairdocs.org/tcds/A3WE)
- Certificate PDF: https://openairdocs.org/files/sha256/b3/2e/b32eb54af9582abaae45799ed8c1be52c730f9f53a0607a352b0426782638e7d
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2EB52680203BC75186258335004C0772.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2684NM

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 727-200 Series ([TCDS A3WE](https://openairdocs.org/tcds/A3WE))

## 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 SA2684NM

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 A3WE for complete certification basis.)

Original ProductType Certificate Number: A3WE Make: Boeing Model: 727-212

Description of the Type Design Change: Installation of a 186 passenger interior arrangement in accordance with Tramco Drawing 84-141, Sheet 1, Revision C dated December 20, 1984, or later FAA approved revisions.

Limitations and Conditions: The approval of this change in type design applies basically to the above model aircraft only. This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any other previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this Certificate and TRAMCO Drawing 84-141 shall be maintained as part of the permanent records for the modified aircraft.

Date of application: November 26, 1984 Date reissued: October 24, 2018 Date of issuance: December 21, 1984 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 (2)

- October 24, 2018: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/b3/2e/b32eb54af9582abaae45799ed8c1be52c730f9f53a0607a352b0426782638e7d)
- December 21, 1984: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/e0/cb/e0cb33754cb56d56eab1eb33c20c298d75de76679f246cb0db2ea8cceda627f7)

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