STC SA00156WI

This certificate issued to: CAV Ice Protection Inc.

30 Leawood Drive New Century, KS 66031

Part 23 of the Federal Aviation Regulations, effective February 1, 1965, and amendments 23-1 through 23-16 as delineated on Type Certificate Data Sheet No. A51EU.

Original Product - Type Certificate Number : A51EU Make : SOCATA – Groupe Aerospatiale Model : TB20, TB21 Description of Type Design Change:

Installation of TKS Anti-Icing System Components, with placard stating “FLIGHT INTO KNOWN ICING CONDITIONS IS PROHIBITED.” Data Required: (1) Aerospace Systems & Technologies Drawing Index No. 4700- 92DL, Revision 20, dated March 30, 1993; and (2) FAA Approved Airplane Flight Manual Supplement, dated May 3, 1994; or later FAA approved revisions of (1) or (2).

1) This installation is not approved for flight into known icing conditions.

2) 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 by the installer that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that airplane.

3) 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 : July 8, 2008; November 5, 2013;

March 4, 2015 Date amended :

Original signed by Grant Youngdahl (Signature) Grant E. Youngdahl Program Manager Wichita Aircraft Certification Office (Title) Date of application : April 15, 1993 Date of issuance : May 3, 1994