STC SE09280SC-D

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SE09280SC.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 therefor as specified hereon meets the airworthiness requirement's of Part 13 of the Civil Air Poegulations.

Original Product Typo Certificate Number : ESCE Teledyne Continental Abodel. TSIO-520-B, BB, BE, C, CE, D, DB, E, EB, G, H, J, JB, K, KB, L, LB, M, N, NB, P, R, T, U, UB, VB, and WB Description of Type Design Change:

Modify engine in accordance with RAM Aircraft, Limited Partnership Drawing No. 1888 Title: Master Drawing - Installation of Ram Modified Pistons and Gapless Piston Rings", dated November 6, 1996, or later FAA approved revision to allow installation of modified pistons with gapless piston rings in the #2 ring land.

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: November 06, 1996 Date Reissued: October 08, 2001, February 28, 2008, September 4, 2008 Date of Issuance: November 20, 1996 Date Amended:

FEDERAL AVIATION By Direction of the Administrator

ORIGINAL SIGNED BY TERRY BOWDEN (Signature) TOMINSTRATIO Terry L. Bowden DAS administrator DAS-700100-SW RAM Aircraft LP Waco, Texas (Title) ion of this certificate is punishable by a fine of not exceeding $1,000, or imprisonment not exceeding 3 years, or both