# STC SA4727NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Howell Harley L, United States
- Description: Installation of a new gull-wing canopy and canopy locking system.
- Applied: April 25, 1989
- Status date: April 25, 1989
- 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/sha256/6d/39/6d39fb982e5b5b2bce75813977f22ae7efb2eccb138652c4732cabb25691e281
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/602EC0BC2C5E0B9085256CC2000E3E37.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4727NM

## 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

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number SAA727NMS This certificate issued to: MI. Harley I. Howe 11 Purt 48 of the CIVI1 A iI Regulations:

Original Product -Type bertificate Number: A-756 Make: Globe Model: GC-1B locking system in accordance with Harley L. Howell Drawing No. HH-1001, sheets 1, 2, Description of Type Design Change: Installation of a new Bu11-wing canopy and canopy and 3, Revision C, dated September 14, 1988, or later FAA approved revision.

Limitations and Conditions: Approval of this change in type design applies to the above model aircraft only. This approval should not be extended to aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the relationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this Certificate must be maintained as part of the permanent records for the modified aircraft.

Date of Application: January 10, 1986 Jute wissued:

Date of Issuance: Apri1 25, 1989 I ate unended:

FEDERAL AVIATION By Direction of the Administrator TEHINISTRATOR Manager, Seattle Aircraft Certification Office (Title )

47.

FAA FoR 8110-2 (10-68)

## Every issue (1)

- April 25, 1989: Issued, Current. [certificate](https://openairdocs.org/files/sha256/6d/39/6d39fb982e5b5b2bce75813977f22ae7efb2eccb138652c4732cabb25691e281)

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