# STC SA01590SE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Mahoney Gerald, United States
- Description: Data pertaining to this modification are considered inadequate for duplication in other aircraft.  This approval is therefore limited to the installation in Globe Swift airplane serial number 377, registration N90363 only.  Installation of auxiliary fuel tanks.
- Applied: July 13, 2005
- Status date: August 17, 2005
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-766](https://openairdocs.org/tcds/A-766)
- Certificate PDF: https://openairdocs.org/files/sha256/a1/14/a114189a6e306516117c3a28134fd423a2af61c42280fc8d415656bf9361dd74
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/208E4F5652DEFCF786257074004F7C44.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA01590SE

## ADs that name it (0)

None.

## Approved models (1)

- Swift Museum Foundation Inc. GC-1B ([TCDS A-766](https://openairdocs.org/tcds/A-766))

## 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 SA01590SE This certificate, issued to Mr. Gerald Mahoney 191 Airport Way Sequim, WA 98382 Part 4a of the Civil Aviation Regulations.

Original Product⎯Type Certificate Number: A-766 Make: Globe Swift Model: GC-1B

Description of the Type Design Change: Installation of auxiliary fuel tanks in a Globe Swift GC-1B per Gerald Mahoney photos GPM AUX 1 through GPM AUX 21, and Ernest Hansen document “Installation Instructions” Revision 2, dated June 16, 2004.

Limitations and Conditions: Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is therefore limited to the installation in Globe Swift airplane serial number 377, registration N90363 only. A copy of this certificate, and the fuel system schematic dated June 25, 2004 shall be maintained as part of the permanent records for the modified aircraft.

Date of application: July 13, 2005 Date reissued:

Date of issuance: August 17, 2005 Date amended:

(Signature) Acting Manager, Seattle Aircraft Certification Office (Title) Any alteration of this certifica te is pun ishable by a fin e of not exce eding $1,000, or imprisonment not exceeding 3 y ears, or both.

## Every issue (1)

- August 17, 2005: Issued, Current. [certificate](https://openairdocs.org/files/sha256/a1/14/a114189a6e306516117c3a28134fd423a2af61c42280fc8d415656bf9361dd74)

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