STC SA2798NM

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA2798NM This certificate issued to: Heliarc Welding Services, Inc.

3965 Newport Street P.O. Box 38509 Denver, Colorado 802.38 Part 3 of the Civil Air Requlations.

Original Product - Type Bertificate Kumber: 3A15 Make: Beech Model: C33A, E33A/C,F 33A/C, G33, 35H/J/K/M/N/P/S/V, Description of Type Design Change: V35/A/B, 36/A installation of modified exhaust heat muffler in accordance with Heliarc Weldin‹ Service, Inc., Drawing List No. 7, dated September 14, 1987 or later FAA approved revision.

This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any other previously approved modification will introduce no adverse effect upon the airworthiness of the aircraft.

By Direction of the Administrator David T. Grossman, Signature) Supervisor TO MINISTRATION Denver Aircraft Certification Field Office Northwest Mountain Region, Aurora, Colorado (Title) 47 FAA FORM 8110-2 (10-68)