# STC SA4907NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: LMI Aerospace, United States
- Description: Installation of passenger seats, class divider, overwater equipment, exit signs, relocation of passenger service units and no smoking, fasten seat belt signs.
- Applied: January 18, 1990
- Status date: November 28, 2018
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A2NM](https://openairdocs.org/tcds/A2NM)
- Certificate PDF: https://openairdocs.org/files/sha256/3c/34/3c34902213b1d1a2fb5149222f93baebdcfe534599c0a8185909954032d65a93
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/749DCADCA1EC681D862583580054E282.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA4907NM

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 757-200 ([TCDS A2NM](https://openairdocs.org/tcds/A2NM))

## 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 SA4907NM

This certificate, issued to LMI Aerospace 1910 Merrill Creek Parkway Everett, WA 98203

Part 25 of the Federal Aviation Regulations. (See Type Certification Data Sheet A2NM for complete certification basis)

Original ProductType Certificate Number: A2NM Make: Boeing Model: 757-200

Description of the Type Design Change: Installation of passenger seats, class divider, overwater equipment, exit signs, relocation of passenger service units and no smoking, fasten seat belts signs, in accordance with FAA approved TRAMCO Top Drawing 90-007, Revision A, dated March 15, 1990 or later FAA approved revisions.

Limitations and Conditions: 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, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this Certificate and FAA approved TRAMCO Drawing List 90-007 shall be maintained as part of the permanent records for the modified aircraft.

If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Date of application: January 18, 1990 Date reissued: April 12, 2002, November 2, 2018;

November 28, 2018 Date of issuance: March 16, 1990 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 (3)

- November 28, 2018: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/3c/34/3c34902213b1d1a2fb5149222f93baebdcfe534599c0a8185909954032d65a93)
- November 2, 2018: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/e1/d9/e1d9c73af9402269ee0758e6dbd6231e3fa70eef255a37df9a619774a797c74a)
- April 12, 2002: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/10/17/1017d00f63bea8b206cb135d995638e5a1e6fcce9d5e967309d11a3e7e8f5eed)

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