# STC ST00285SE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: LMI Aerospace, United States
- Description: Modify
- Applied: December 20, 1995
- Status date: July 5, 2018
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21, Part 25, Part 121
- Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE)
- Certificate PDF: https://openairdocs.org/files/sha256/49/36/493656889bb38ad21fb9d55d0b79db071fc62fa2110fd5b355c74b807c87feb5
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/556772B8C7CAF6DF862582CC0061FAD4.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST00285SE

## ADs that name it (0)

None.

## Approved models (12)

- The Boeing Company 747-100 Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-100B SUD Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-100B Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-200B Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-200C Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-200F Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-300 Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-400 Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-400D Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-400F Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747SP Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747SR Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))

## 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 ST00285SE

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

Part 25 of the Federal Aviation Regulations.

Original ProductType Certificate Number: A20WE Make: Boeing Model: 747-100, -100B,-SUD-200B, -200F, -200C, -300, -400, -400D, -400F, -747-SR, 747-SP Series

Description of the Type Design Change: Modify in accordance with TRAMCO Engineering Order Number 28-1-000-001, Revision B, dated November 6, 1995, and Master Drawing List 95-002, Revision C, Sheet 1, dated July 17, 1996.

Limitations and Conditions: Approval of this change in type design applies to the above model airplane only.

This approval should not be extended to other airplanes of this model on which other previously approved modifications are incorporated unless it is determined that the relationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that airplane. A copy of this Certificate must be maintained as part of the permanent records for the modified airplane. The limitations and conditions of airplane Type Certificate A3WE apply excepts as outlined in page 3 of this STC.

Date of application: December 20, 1995 Date reissued: July 5, 2018 Date of issuance: November 25, 1996 Date amended: January 24, 1997

(Signature)

Manager, Seattle ACO Branch (Title)

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

Number ST00285SE

Limitations and Conditions continued: (Continued)

1. Certification Basis:

a. The following paragraph of the Federal Aviation Regulations Part 25 including Amendment 25 -46 thereto:

25.601, 25.603, 25.605, 25.954, 25.965, 25.1301 and 25.1529

Note 1: This STC may not be used to modify fuel tank access covers which are the subject of the debris impact and fire resistance requirements of Federal Aviation Regulations Parts 121.316 and 25.963(e).

Note 2: The STC’s instructions for Continued Airworthiness are contained in Tramco Maintenance Manual Supplement, “Wing Fuel Tank Access Seal Replacement, 28-11-00,” Revision New, dated July 17, 1996.

- END -

**FAA FORM 8110-2-1 (10-69) PAGE 3 OF 3 PAGES**

## Every issue (2)

- July 5, 2018: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/49/36/493656889bb38ad21fb9d55d0b79db071fc62fa2110fd5b355c74b807c87feb5)
- January 24, 1997: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/7e/4b/7e4bdc1d9519694dc4e63e6d5d874acb9a5aefcf2d3696404040c26bb51f94b0)

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