STC SA2274CE

This certificate issued to: Teledyne Controls 501 Continental Blvd El Segundo, CA 90245

Part 3 of the Civil Air Regulations.

Original Product - Type Certificate Number : 3A21 Make: Cessna Model: 210, 210A through 210R, T210F through T210R, P210N, P210R, 210-5 (205), 210-5A (205A) Description of Type Design Change:

Installation of B&D Instruments, Inc. Electronic Tachometer System. Data required: (1) B&D Instruments, Inc. Drawing List No. 0530-010-001, Rev. H, dated August 20, 1987, or B&D Instruments, Inc. Installation Manual Part No. 0530-010-011, Rev. A, or later “FAA Approved” revision; and (2) copy of this certificate.

This approval should not be extended to other specific airplanes of these models on which other previously approved modifications are incorporated, unless it is determined that the interrelationship between this change and any of these other previously approved modifications will introduce no adverse effect upon the airworthiness of that airplane. 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 reissued : May 25, 1988; January 5, 1998;

October 2, 2000; June 30, 2003; November 3, 2011 Date amended : September 14, 1987

Original signed by Raymond Johnston

( Signature) Raymond N. Johnston Program Manager Wichita Aircraft Certification Office (Title)

Date of application : December 29, 1986 Date of issuance : August 25, 1987