# STC SA450NE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Leading Edge Group LLC, The, United States
- Description: Installation of a three-section tank and auxiliary fuel transfer system in the lower forward cargo bay.
- Applied: April 30, 1986
- Status date: April 27, 2009
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A3WE](https://openairdocs.org/tcds/A3WE)
- Certificate PDF: https://openairdocs.org/files/sha256/86/79/86790b9ae2bc60fb99ffcb1d13ba53dd9e76c0ec2b62756d227a575487949c03
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/AA877E60CC04E74C8625760F004307AE.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA450NE

## ADs that name it (1)

- [AD 2008-22-01](https://openairdocs.org/ad/2008-22-01): Auxiliary fuel tanks · Boeing 727-100 Series, 727-200 Series, 727 Series and 17 more. Effective Nov 26, 2008. Named in the applicability

## 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.

Part 4b of the Civil Air Regulations.

Installation of a three-section tank and auxiliary fuel transfer system in the lower forward cargo bay in accordance with the data listed in PATS, Inc. Installation Master Drawing List Drawing No. 200-1-040, Revision B dated June 13, 1986.

1. Patrick Aircraft Tank Systems, Inc. Flight Manual Supplement No. 8, FAA approved June 23, 1986, is required with this installation.

2. PATS, Inc. Report No. TO-70, Maintenance Manual, dated June 19, 1986, applies to this installation.

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

4. The installer must determine whether this design change is compatible with previously approved modifications.

The Leading Edge Group, LLC 5400 Carillon Point Kirkland, WA 98033 A3WE Make: British Aerospace Model: 727-200 Series

Date of application: April 30, 1986

Date of issuance: June 23, 1986

Date reissued: May 14, 2004, April 2, 2009, April 27, 2009

( Signature) Anthony Socias Manager New York Aircraft Certification Office

( Title)

FAA Form 8110-2-1(10-69) Page 2 of 2

## Every issue (1)

- April 27, 2009: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/86/79/86790b9ae2bc60fb99ffcb1d13ba53dd9e76c0ec2b62756d227a575487949c03)

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