STC Holder: Heliarc Welding Svc Inc

The Aviation DataBase -- STC Selection System
Aviation DataSource, Inc.

No. of STCs: 1

STC Holder: Heliarc Welding Svc Inc Address: Box 7301, 3916 Niagra Street, Denver, CO 80207, United States		Contact us to have your company added here!
STC No.: SA3RM	Status: Current	App Date: 10/10/1972	Rev Date: 10/01/1973
TC Nos.: 3A10, 3A25, A7CE,
Models: Cessna Aircraft Company: 320, 320A, 320B, 320C, 320D, 320E, 320F, 340, 401, 401A, 402, 402A, 411, 411A, 414, 421, 421A, 421B, T310P, T310Q, T310R
ACO: AIR-770: West Certification Branch DEN
Modification of engine exhaust stacks by replacement of expansion joint with slip fit joint.