# STC SA4176NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Ace Bigby, United States
- Description: Installation of the U.S.A. composite 14-inch spinner.
- Applied: December 11, 1987
- Status date: March 1, 1988
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A23](https://openairdocs.org/tcds/3A23)
- Certificate PDF: https://openairdocs.org/files/sha256/7d/8a/7d8ad202c9b02b783e1c0ad04cc9aab45c2ee3313d0c03e0895d5598e47768ba
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D63E38CFC61BB46685256CC2000E3A1B.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA4176NM

## ADs that name it (0)

None.

## Approved models (5)

- Maule Aerospace Technology Inc. M-5-180C ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. M-5-210TC ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. M-5-235C ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. M-6-180 ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. M-6-235 ([TCDS 3A23](https://openairdocs.org/tcds/3A23))

## 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: SA4176NM This certificate issued to: ACE BIBbY Part 3 of the Federal AIT Regulations Original Product - Type bertificates Lumber: 3A23 Make: Maule Model: M-5-180C, M-5-210IC, M-5-235C, M-6-180, M-6-235 Descriplin flypeIsin Change: Installation of the U.S.A. Composite 14" spinner (drawing HZL 14-01) in accordance with A. S. & W. Aircraft Services Installation Instructions dated February 13, 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.

Late sapplicatin: December 11, 1987 Date Reissued:

Date of Issuance: March 1, 1988 Date Amended: .

FEDERAL AVIATION ( Signa fur g TEMINISTRATO Assistant Manager, Seattle Aircraft Certification Office ( Title )

## Every issue (1)

- March 1, 1988: Issued, Current. [certificate](https://openairdocs.org/files/sha256/7d/8a/7d8ad202c9b02b783e1c0ad04cc9aab45c2ee3313d0c03e0895d5598e47768ba)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.