# STC ST09176CH-A

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: C. William Pancake Jr, United States
- Description: Installation of Engines and propellers per C. William Pancake Engine and Propeller Eligibility
- Applied: August 19, 2015
- Status date: April 6, 2017
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A-759](https://openairdocs.org/tcds/A-759)
- Certificate PDF: https://openairdocs.org/files/sha256/06/03/060301e1b685c83ccbd1c858c34082184e732a17a4c9ab818e483b2c4670d939
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/CAEF3A2191E8027D862581090052B460.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST09176CH-A

## ADs that name it (0)

None.

## Approved models (4)

- American Champion Aircraft Corp. 7AC ([TCDS A-759](https://openairdocs.org/tcds/A-759))
- American Champion Aircraft Corp. 7BCM (Army L-16A) ([TCDS A-759](https://openairdocs.org/tcds/A-759))
- American Champion Aircraft Corp. 7CCM (Army L-16B) ([TCDS A-759](https://openairdocs.org/tcds/A-759))
- American Champion Aircraft Corp. 7DC ([TCDS A-759](https://openairdocs.org/tcds/A-759))

## 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.

Installation of Engines and propellers per C. William Pancake Engine and Propeller Eligibility for ST09176CH-A, document number BP-MDL-1, Rev. Original, dated March 31, 2017 or later FAA Approved Revision.

1. Compatibility of the 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.

C. William Pancake Jr 304 Adda Street Roberts, IL 60962 A-759 Aeronca 7AC, 7BCM/L-16A, 7CCM/L-16B, 7DC

(Signature) Roy E. Boffo Manager, Propulsion and Program Management Branch Chicago Aircraft Certification Office

(Title)

August 19, 2015

April 6, 2017

FAA FORM 8110-2-1(10-69) PAGE 3 of 3 PAGES

ST09176CH-A Date of Issuance: March 17, 2017

## Every issue (1)

- April 6, 2017: Issued, Current. [certificate](https://openairdocs.org/files/sha256/06/03/060301e1b685c83ccbd1c858c34082184e732a17a4c9ab818e483b2c4670d939)

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