# STC SA09971SC-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: RAM Aircraft Limited Partnership, United States
- Description: Installation of Hartzell model PHC-C3YF-2UF/FC7693DF or PHC-C3YF-2UF/FC7693DFB propellers
- Applied: September 5, 2001
- Status date: September 11, 2008
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A10](https://openairdocs.org/tcds/3A10), [TCDS 3A25](https://openairdocs.org/tcds/3A25), [TCDS A7CE](https://openairdocs.org/tcds/A7CE)
- Certificate PDF: https://openairdocs.org/files/sha256/f3/f0/f3f00bb1b048640872592950ca24d4edada6635b4731039be995f2f1dd38b8f5
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B71DFAF04E5496E68625793E006C0C72.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA09971SC-D

## ADs that name it (0)

None.

## Approved models (12)

- The Cessna Aircraft Company 320D ([TCDS 3A25](https://openairdocs.org/tcds/3A25))
- The Cessna Aircraft Company 320E ([TCDS 3A25](https://openairdocs.org/tcds/3A25))
- The Cessna Aircraft Company 320F ([TCDS 3A25](https://openairdocs.org/tcds/3A25))
- The Cessna Aircraft Company 340 ([TCDS 3A25](https://openairdocs.org/tcds/3A25))
- The Cessna Aircraft Company 340 Series ([TCDS 3A25](https://openairdocs.org/tcds/3A25))
- The Cessna Aircraft Company 340A ([TCDS 3A25](https://openairdocs.org/tcds/3A25))
- The Cessna Aircraft Company 402C ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))
- The Cessna Aircraft Company 414 ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))
- The Cessna Aircraft Company 414A ([TCDS A7CE](https://openairdocs.org/tcds/A7CE))
- The Cessna Aircraft Company T310P ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- The Cessna Aircraft Company T310Q ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- The Cessna Aircraft Company T310R ([TCDS 3A10](https://openairdocs.org/tcds/3A10))

## 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: SA099715C:D This certificate issued to: RAM Aircraft, Limited Partnership 7505 Karl May Drive Waco, TX 76708 Certifies that the change in the type design for the following product with the limitations and conditions therofor as specified hereon meets the airworthiness requirement's of Part * of the * Regulations.

Original Product Type Certificate Number (see attached FAA Approved Model Make: List (AML for list of approved models Model: and applicable airworthiness regulations) Description of Type Design Change:

Installation of Hartzell Model PHC-C3YF-2UF/FC7693DF or PHC-C3YF-2UF/FC7693DFB propellers in accordance with RAM Drawing No. 2549, Initial Release, dated May 16, 2001, or later FAA approved revision. FAA approved RAM Airplane Flight Manual Supplement AFMS 1096, Initial Release, dated May 16, 2002, or later FAA approved revision is required.

Limitations and Conditions: Hartzell Model PHC-C3YF-2UF/FC7693DF or PHC-C3YF-2UF/FC7693DFB propellers are limited to aircraft that are previously FAA approved to install 78-inch diameter propellers and have Teledyne Continental Motors (TCM) model TSIO-520 series engines with maximum rated power from 285 HP to 350 HP. This modification is compatible with aircraft having TCM TSIO-520 engines modified by STC SE09261SC-D, STC SE09104SC-D, or STC SE4327SW-D for rated power increase. Compatibility of this design change with previously approved modifications must be determined by the installer. 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 .

Date of Application: September 05, 2001 Date Reissued: May 12, 2008; September 11, 2008 Date of Issuance: May 16, 2002 Date Amended:

FEDERAL AVIATION ORIGINAL SIGNED BY TERRY BOWDEN (Signature) Terry L. Bowden DAS administrator DAS-700100-SW TOMNISTRATO RAM Aircraft LP Waco, Texas (Title) 000, or imprisonment not exceeding 3 vears, or both.

FAA APPROVED MODEL LIST (AML) STC No. SA09971SC-D Date of Issuance: May 16, 2002 Reissue Date: September 11, 2008 RAM Aircraft, Limited Partnership 7505 Karl May Drive Waco, TX 76708 Item Aircraft Make Aircraft Model Orginal Type Certificate Regulation/Part Number Cessna T310P, T310Q ЗА10 CAR 3 Cessna T310R ЗА10 CAR 3/FAR 23 Cessna 32OD, 320E, 320F ЗА25 CAR 3 4 Cessna 340, 340A 3А25 CAR 3/FAR 23 Cessna 414 A7CE CAR 3 Cessna 402C, 414A А7CЕ CAR 3/FAR 23 FAA Approved:

ORIGINAL SIGNED BY TERRY BOWDEN Terry L. Bowden DAS administrator DAS-700100-SW RAM Aircraft LP Waco, Texas Make: September 11, 2008

## Every issue (1)

- September 11, 2008: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/f3/f0/f3f00bb1b048640872592950ca24d4edada6635b4731039be995f2f1dd38b8f5)

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