# STC SA938NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Marvin L James, United States
- Description: Replacement of the original landing gear, original wheels and mechanical brakes, modification of vertical stabilizer and forward fuselage structure
- Applied: April 4, 1980
- Status date: May 12, 1980
- 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/d1/35/d135020e592da39917b89f3d992d8e686816e0617326bd696179e59f42786d58
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/94687A7D0AE7811086257A3F005518B5.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA938NW

## 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

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: SA9381w This certificate issued to: Marvin L. James Part 42 of the Civi1 Air Regulations, as amended April 7, 1950.

Original Product -TypeCertificate Number: A-759 Make: Bellanca (Aeronca) Model: TAC Description of Type Design Change:

1. Replacement of the original landing gear with Aeronca Long Stroke Oleo Landing Gear" P/N 3-665.

2. Replacement of original wheels and mechanical brakes with Goodyear 6.00 -6 wheels and hydraulic brake system. P/N 511960 and 9530241.

3. Modification of vertical stabilizer to add a dorsal fin.

4. Modification of the forward fuselage structure.

The modifications as listed above are in accordance with Marvin L. James photographs 1 trouin and Conditions:

Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to Bellanca 7AC, Serial Number 7AC-669 only. A copy of this Certificate shall be maintained as part of the permanent records for the modified aircraft.

## Every issue (1)

- May 12, 1980: Issued, Current. [certificate](https://openairdocs.org/files/sha256/d1/35/d135020e592da39917b89f3d992d8e686816e0617326bd696179e59f42786d58)

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