# STC SA392NE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Leading Edge Group LLC, The, United States
- Description: Installation of a five tank, 2571.5 U.S. gallons (17,228 lb.) capacity auxiliary fuel transfer system.
Configuration 2 and 3 are only eligible on airplane S/N 20489.
- Applied: March 14, 1985
- 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/sha256/26/98/2698a012a655010d5acd6a157a984b7a4b6537f36730fb886d2c8e9520a20070
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/02FEEBDAF4594A3C8625760F0041F11C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA392NE

## 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 (2)

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

Number SA392NE

This certificate issued to

Part 4b of the Civil Air Regulations.

Installation of a five tank, 2571.5 U.S. gallons (17,228 lb.) capacity auxiliary fuel transfer system:

Configuration 1: P/N 927-000-7, in the lower fuselage cargo bays in accordance with the data listed in the Installation Drawing portion of: PATS, Inc. Master Drawing List Dwg. No. 927-500, Rev. F, dated September 20, 1985.

(See STC Continuation Sheet, Page 2)

1. Patrick Aircraft Tank Systems Airplane Flight Manual Supplement No. 6, FAA Approved October 18, 1985, is required with Configurations 1 and 2. Patrick Aircraft Tank Systems Airplane Flight Manual Supplement No. 17, FAA Approved July 10, 1992 is required with the installation of Configuration 3.

(See STC Continuation Sheet, Page 2)

The Leading Edge Group, LLC 5400 Carillon Point Kirkland, WA 98033 A3WE Boeing Make:

Model: 727 Series. 727-100 Series

Date of application: March 14, 1985

Date of issuance: October 18, 1985 Date reissued: May 14, 2004, April 2, 2009, April 27, 2009

Date amended: May 18, 1987, July 10, 1992

( Signature) Anthony Socias Manager New York Aircraft Certification Office

( Title)

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

Number SA392NE Date of Reissuance: April 2, 2009, April 27, 2009

Description of Type Design Change: (Cont’d)

Configuration 2: Same as Configuration 1 as amended in accordance with the data listed in PATS, Inc. “Master Drawing List Dwg.

No. 200-1-050 and Installation Drawing List” Rev. A, dated May 13, 1987.

Configuration 3: Same as Configuration 2 as amended in accordance with the data listed in PATS, Inc. “Master Drawing List Dwg.

No. 200-1-050, Installation Drawing List” Rev. B, dated November 20, 1991 including ADCN’s 1 thru 6. Configuration 3 modifies the fuel quantity measuring system and the two aft auxiliary fuel tanks.

Limitations and Conditions: (Cont’d)

2. PATS, Inc. Report No. TO-46 dated October 11, 1985, “Maintenance Manual 727-100 Auxiliary Fuel System (927-500)” Revision A dated May 18, 1987 or Revision B dated April 1, 1992 is required with this installation. Configuration 2 must use Revision “A”. Configuration 3 must use Revision “B”.

3. Configuration 2 and 3 are only eligible on airplane S/N 20489.

4. 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.

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

…End…

## Every issue (1)

- April 27, 2009: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/26/98/2698a012a655010d5acd6a157a984b7a4b6537f36730fb886d2c8e9520a20070)

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