# STC SA520NE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Simmonds Precision Products Inc, United States
- Description: Installation of a Simmonds Precision Computerized Fuel Gauging System, with Volumetric Top-off Device in accordance with Simmonds Precision Installation Drawing List Report Number 2615, Revision A, dated April 8, 1987, or later FAA approved revision.
- Applied: July 25, 1986
- Status date: January 6, 2005
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A16WE](https://openairdocs.org/tcds/A16WE)
- Certificate PDF: https://openairdocs.org/files/sha256/d2/f6/d2f678ac6fb0c2a1aeb74703b9eef5853682ed88febcf9269901ce6a13db4592
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2537E7068F591C4586256F9000558612.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA520NE

## ADs that name it (0)

None.

## Approved models (2)

- The Boeing Company 737-100 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE))
- The Boeing Company 737-200 Series ([TCDS A16WE](https://openairdocs.org/tcds/A16WE))

## 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 SA520NE This Certificate issued to Simmonds Precision Products, Inc.

d/b/a Goodrich Corporation Fuel and Utility Systems 100 Panton Road Vergennes, Vermont 05491 Part 25 of the Federal Aviation Regulations.

Original Product Type Certificate Number : A16WE Make : Boeing Company Model : 737-100, -200

Installation of a Simmonds Precision Computerized Fuel Gauging System, with Volumetric Top-off Device in accordance with Simmonds Precision Installation Drawing List Report Number 2615, Revision A, dated April 8, 1987, or later FAA approved revision.

1. Simmonds Precision Supplement No. 10037-AFM-02 dated June 30, 1987, or later FAA approved revision to the FAA approved Airplane Flight Manual for Boeing 737-100, -200 is required as part of this installation.

2. Instructions for Continued Airworthiness, Goodrich document no. T2019-0005-0101, Revision IR, dated December 10, 2004, or later FAA-accepted revision, shall be made available to the operator at the time of installation.

3. Compatibility of this design with previously approved modifications must be determined by the installer.

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 : July 25, 1986

Date of issuance : June 30, 1987 Date reissued :

Date amended : January 6, 2005

( Signature) Robert G. Mann Manager Boston Aircraft Certification Office

( Title)

## Every issue (1)

- January 6, 2005: Amended, Current. [certificate](https://openairdocs.org/files/sha256/d2/f6/d2f678ac6fb0c2a1aeb74703b9eef5853682ed88febcf9269901ce6a13db4592)

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