# STC SA1417NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Franklin Aircraft Engines Inc., United States
- Description: Installation of a Franklin 6AS-350-A or 6AS-350-A1 engine with an AiResearch TE-0657turbosupercharger and Hartzell HC-C2YF-1BF/F8459A-4 to -8 or Hartzell HC-C2YF-1BF/8459A-4Q or -8Q propeller.
- Applied: March 23, 1981
- Status date: April 9, 1999
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-777](https://openairdocs.org/tcds/A-777)
- Certificate PDF: https://openairdocs.org/files/sha256/ea/a9/eaa9226bf90643221e8fd2504ca18b652203fc26d5d2427514ba0e89c91ac522
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/426BDA3A7F03DE5D85256CC100821095.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1417NM

## ADs that name it (0)

None.

## Approved models (2)

- Hawker Beechcraft Corporation C35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))
- Hawker Beechcraft Corporation D35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))

## 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: SA1417NM This certificate issued to: Franklin Aircraft Engines, Inc.

136 Racquette Drive Fort Collins, CO 80524 Part 3 of the Civil Air Poegulations.

Original Product -- Typs Certificats Number: A-777 Моако: Beech Model:

C35, D35 Description of Type Design Change:

Installation of a Franklin 6AS-350-A or 6AS-350-A1 engine with an AiResearch TE-0657 turbosupercharger and Hartzell HC- C2YF-1BF/F8459A-4 to -8, or Hartzell HC-C2YF-1BF/F8459A-4Q or -8Q propeller in accordance with Seaplane Flying, Inc.

Assembly and Installation No. SPB3501.

Limitations and Conditions: This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated, unless it is determine by the installer that the interrelationship between this change and any other previously approved modifications will produce no adverse effect upon the airworthiness of that airplane. 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. A copy of this Certificate and FAA Approved Flight Manual Supplement, dated November 10, 1981, must be maintained as part of the permanent records for the modified aircraft.

revoked or a termination daie is otherwise established by the Adminisinator of the Federal Soviation Administration.

Date of Application: March 23, 1981 Date Reissued: 3/2/1993; 7/31/1995 April 09, 1999 Date of Issuance: November 10, 1981 Date Amended:

By Direction of the Administrator (Signature) Paul C. Sconyers Associate Manager POMINISTRATO Atlanta Aircraft Certification Office (Title)

FAA FORM 811 PAGE 1 of 2 PAGES This certificate may cansferred in accordance with FAR 21.47.

## Every issue (1)

- April 9, 1999: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/ea/a9/eaa9226bf90643221e8fd2504ca18b652203fc26d5d2427514ba0e89c91ac522)

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