# STC SA4-958

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Widgeonworks LLC, United States
- Description: Increase in capacity of each main fuel tank from 54 to 88 gallons
- Applied: November 26, 1957
- Status date: April 9, 2026
- Product: Aircraft, Small Airplane
- Data sheets: [TCDS A-734](https://openairdocs.org/tcds/A-734)
- Certificate PDF: https://openairdocs.org/files/sha256/90/c0/90c0fdb45547daf829bf8a2fe7f732589e4f03d2f460b0212c37dad0680789f8
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID182498416120260722172640.0001
- DRS record last changed: July 22, 2026
- Page: https://openairdocs.org/stc/SA4-958

## ADs that name it (0)

None.

## Approved models (3)

- Gulfstream American Corporation G-44 ([TCDS A-734](https://openairdocs.org/tcds/A-734))
- Gulfstream American Corporation G-44A ([TCDS A-734](https://openairdocs.org/tcds/A-734))
- Gulfstream American Corporation SCAN Type 30 ([TCDS A-734](https://openairdocs.org/tcds/A-734))

## 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.

SA4-958 Widgeonworks LLC 1331 Saxon Dr #170 New Smyrna Beach, FL 32169 Part 4a Civil Air Regulations A-734 Gruman G-44, G-44A, SCAN Type 30

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

2. 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.

11/26/1957 07/31/1961 06/06/1984 11/09/1959 05/12/1960 01/04/1966 ✔ Michael Linegang Manager, East Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 3 Increase in capacity of each main fuel tank from 54 to 88 gallons in accordance with FAA-sealed McKinnon Enterprises, Inc. Master Drawing List entitled "Outer Wing Tank Installation".

04/17/1978

SA4-958 04/09/2026 3

SA4-958 04/09/2026 Date Reissued continued:

April 29, 1999, January 29, 2004, October 06, 2009, August 04, 2010, April 09, 2026 -------------------------------------------------END----------------------------------------------------- 3 3 Add Page

## Every issue (4)

- April 9, 2026: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/90/c0/90c0fdb45547daf829bf8a2fe7f732589e4f03d2f460b0212c37dad0680789f8)
- August 4, 2010: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/2f/59/2f5968081855fe2ad644101fdd6607f2594946004bfd7819268d4cd0fd26943f)
- October 6, 2009: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/5f/d6/5fd65e878e11276f68ed3c79decf6eae810bb2db326c4fff00160926eed51194)
- January 29, 2004: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/f2/08/f20879ba64059e0398f3d31109a4e69666e7100b64fa6bd4b8ce46031663e4fd)

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