# STC ST00325SE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: LMI Aerospace, United States
- Description: Installation of B-727 angle gearboxes. (727-200CF)
- Applied: January 27, 1996
- Status date: July 5, 2018
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A3WE](https://openairdocs.org/tcds/A3WE)
- Certificate PDF: https://openairdocs.org/files/sha256/45/60/4560f50e4df43c65fecae1103bcf16fdcfc73b5a6f17506a6956f22321b74731
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C58101A08C69BBC1862582CC0061FB0E.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST00325SE

## ADs that name it (0)

None.

## Approved models (4)

- The Boeing Company 727 ([TCDS A3WE](https://openairdocs.org/tcds/A3WE))
- The Boeing Company 727-100 Series ([TCDS A3WE](https://openairdocs.org/tcds/A3WE))
- The Boeing Company 727-100C Series ([TCDS A3WE](https://openairdocs.org/tcds/A3WE))
- 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 ST00325SE

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: A3WE Make: Boeing Model: B727-100, 727-100C, 727-200, 727-200CF

Description of the Type Design Change: Installation of B-727 Angle Gearboxes, which have been modified in accordance with BFGoodrich, Tramco Master Drawing List 95-179, Revision New, dated January 5, 1996 or Revision A, dated July 19, 1996, or later FAA-approved revision.

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

This approval should not be extended to aircraft 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, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this certificate shall be maintained as part of the permanent records of the modified aircraft.

Date of application: January 27, 1996 Date reissued: July 5, 2018 Date of issuance: April 10, 1996 Date amended: August 1, 1996

(Signature)

Manager, Seattle ACO Branch (Title)

## Every issue (1)

- July 5, 2018: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/45/60/4560f50e4df43c65fecae1103bcf16fdcfc73b5a6f17506a6956f22321b74731)

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