# STC SA2185NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Aviation Technical Services, United States
- Description: Interior reconfiguration to 125 passenger seating arangement.
- Applied: November 8, 1983
- Status date: October 24, 2018
- Product: Aircraft
- Certification basis: Part 21
- Data sheets: [TCDS A3WE](https://openairdocs.org/tcds/A3WE)
- Certificate PDF: https://openairdocs.org/files/sha256/61/e6/61e6db9f5b2aaac10cf288587425f7379e10f4e8df775b6d7689f8fcf1f95988
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3BD893585427E73786258335004B412D.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2185NM

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 727-100 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 SA2185NM

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

Part 4b of the Civil Aviation Regulations.

Original ProductType Certificate Number: A3WE Make: Boeing Model: 727-100 Serial No. 19122

Description of the Type Design Change: Interior reconfiguration to 125 passenger seating arrangement in accordance with TRAMCO Drawing No. 83-077 Revision “A” dated December 2, 1983 or later FAA approved revisions.

Limitations and Conditions: This approval for change in type design applies to the above serial number aircraft only. This approval should not be extended to other aircraft of this model. Approval for this arrangement is contingent upon installation of an emergency system for opening and extending the ventral stairs as required by Exemption No. 255. A copy of this Certificate and FAA approved TRAMCO Drawing No. 83-077 shall be maintained as part of the permanent records for the modified aircraft.

Date of application: November 8, 1983 Date reissued: October 24, 2018 Date of issuance: December 22, 1983 Date amended:

**FAA FORM 8110-2 (5/14) PAGE 1 OF 2 PAGES**

(Signature)

Manager, Seattle ACO Branch (Title)

## Every issue (2)

- October 24, 2018: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/61/e6/61e6db9f5b2aaac10cf288587425f7379e10f4e8df775b6d7689f8fcf1f95988)
- December 22, 1983: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/27/b4/27b422b31527eb0786b544ef25a3bf6d01ad5ae25f7289e93a5e6772c199f6b0)

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