# STC SA2346SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: RAM Aircraft Limited Partnership, United States
- Description: Option 1:  Install Teledyne Continental Motors Model TSIO-520-J engines (310 horsepower).
Option 2:  Install Teledyne Continental Motors Model TSIO-520-N or NB engines (310 horsepower) and McCauley or Hartzell propellers. 
Option 3:  Install Teledyne Continental Motors Model TSIO-520-NB engines modified by Supplemental Type Certificate number SE4327SW (325 horsepower) and McCauley or Hartzell propellers
- Applied: May 20, 1976
- Status date: February 20, 2008
- Product: Aircraft
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS 3A25](https://openairdocs.org/tcds/3A25)
- Certificate PDF: https://openairdocs.org/files/sha256/08/5d/085d3498eb84872aa3a0129df58690d605ac46ac56540d80d513bfb6f75ec879
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3AC11C42B489873086257973007B0DBF.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2346SW-D

## ADs that name it (0)

None.

## Approved models (1)

- Cessna Aircraft Company 340 ([TCDS 3A25](https://openairdocs.org/tcds/3A25))

## 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.

United States Of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate Project Number SA5743SC-A

Part 3 of the Civil Air Regulations.

Aircraft design change is dependent upon installation option choice.

Option 1: Install Teledyne Continental Motors Model TSIO-520-J engines (310 horsepower) in accordance with RAM Drawing No. 2064, dated 3/15/99, or later FAA approved revision.

The installer must determine whether this design chan ge is compatible with previously approved modificati ons. 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.

RAM Aircraft, Limited Partnership 7505 Karl May Drive Waco, TX 76708 3A25 Make : Cessna Model : 340 Date of application : May 20, 1976

Date of issuance : August 12, 1976

Date reissued : October 08, 2001; February 20, 2008

Date amended : October 25, 1999 Revision 16

( Signature) S. Frances Cox, Manager Special Certification Office, Southwest Region

( Title)

FAA Form 8110-2-1(10-69) Page 2 of 3

FAA Form 8110-2-1(10-69) Page 3 of 3

Number SA2346SW-D Date of Issuance: August 12, 1976 Date Amended: October 25, 1999

Description of Type Design Change (Continued):

Option 2: Install Teledyne Continental Motors Model TSIO-520-N or –NB engines (310 horsepower) and McCauley or Hartzell propellers in accordance with RAM drawing No. 2064 dated 3/15/99, or later FAA approved revision.

Option 3: Install Teledyne Continental Motors Model TSIO-520-NB engines modified by Supplemental Type Certificate number SE4327SW (325 horsepower) and McCauley or Hartzell propellers in accordance with RAM Drawing No. 1014, Revision L, dated 2/19/99, or later FAA approved revision. Increase maximum take -off weight to 6290 pounds and maximum ramp weight to 6330 pounds in accordance with RAM Report No. 85 -5, dated 5/15/85, or later FAA approved revision.

The appropriate RAM Airplane Flight Manual Supplement is required for the chosen installation option.

Option 1: AFMS 1090, dated 06/02/99, or later FAA approved revision.

Option 2: AFMS 1091, dated 06/02/99, or later FAA approved revision.

Option 3: AFMS 1092, dated 06/02/99, or later FAA approved revision.

## Every issue (1)

- February 20, 2008: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/08/5d/085d3498eb84872aa3a0129df58690d605ac46ac56540d80d513bfb6f75ec879)

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