# STC SA3-372

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Colman T. Wagner, United States
- Description: Installation of Lycoming O-235-C1, -C1A, -C1B, -C1C, -C2A, -C2B, -C2C, -H2C, -K2A, -K2B, -L2A, or-L2C series engines and appropriate propellers or Teledyne O-200A, -B, or -C series engines and appropriate propellers.
- Applied: March 24, 1958
- Status date: July 8, 2009
- Product: Aircraft, Single-Engine
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS A-759](https://openairdocs.org/tcds/A-759)
- Certificate PDF: https://openairdocs.org/files/sha256/de/79/de79cfc06021901c6ec5bb1c3ed6317884d14ab985c3b20539bc872fcfb62d10
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/490A2E0A84039FCB86257600006F7AD2.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3-372

## ADs that name it (0)

None.

## Approved models (1)

- American Champion Aircraft Corp. 7AC ([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.

P.O. Box 3 Clark, SD 57225

Part 4 a of the Civil Air Regulations. (See Type Certificate Data Sheet No. A-759 for complete certification basis).

Original Product--Type Certificate Number : A-759

Installation of AVCO Lycoming 0-235-C1, -C1A, -C1B, -C1C, -C2A, -C2B, -C2C, -H2C, -K2A, -K2B, -L2A, or –L2C series engines and appropriate propellers or Teledyne Continental Motors 0-200-A, -B, or –C series engines and appropriate propellers according to C. L. Wagner instructions and drawings, pages 1 through 11 dated July 25, 1981, and / or pages 1A, 2A, 3A, 1B, 2B, 3B, and 1C dated July 25, 1981.

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

2) A copy of this certificate or later FAA approved revision must be maintained as part of the permanent records for the modified aircraft.

3) 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.

(Limitations and Conditions continued on page 3 of 3)

Make : Aeronca Champion

Model : 7AC & 7AC CONV.

Date of application : March 24, 1958

Date of issuance : March 24, 1959 Date reissued : March 11, 1968 ; November 27, 1970 ;

July 8, 2009

Date amended : April 23, 1969; November 27, 1970;

October 27, 1982

( Signature) Thaddeus D. Krolicki, Jr.

Manager, Propulsion Branch Chicago Aircraft Certification Office

( Title)

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

Number SA3-372

Limitations and Conditions (Cont.)

4) The operating limitations described in the C. L. Wagner installation instructions must be displayed by permanent markings in full view of the pilot.

5) Federal Aviation Regulations (FAR) 43 combined with C. L. Wagner installation instructions is adequate to insure continued airworthiness of this modification.

-END-

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

Number ST00XXXCH-D Date of Issuance: XXXXXX Date Amended: XXXXXX

## Every issue (1)

- July 8, 2009: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/de/79/de79cfc06021901c6ec5bb1c3ed6317884d14ab985c3b20539bc872fcfb62d10)

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