STC SA2822SO

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 1 of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number:

SA2822SO Sky Sign, LLC 4101 SW Leighton Farm Ave.

Palm City, FL 34990 Part 3 the Civil Air Regulations 3A12 Cessna 172F, 172I, 172K, 172L, 172M, 172N, 172P, 172Q, 172R and 172S with 150 HP engines or greater.

Installation of a Sky-Sign Aerial Advertising System in accordance with R. T. Aerospace Corporation Drawing No. RT-C725320.2200, Revision B or later FAA approved revision.

FAA Approved Airplane Flight Manual Supplement, dated August 29, 1990, or later FAA approved revision, is a required part of this STC.

(Limitations and Conditions continued on page 3 of 3) March 7, 1990 November 13, 1990; April 26, 2021 August 29, 1990 August 29, 2002; July 7, 2006 (for) Christina M. Underwood, Manager, Atlanta ACO Branch 3

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 2 of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number:

SA2822SO 3

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page ___ of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number:

SA2822SO Limitations and Conditions (Continued):

This STC is applicable only to Cessna 172 models with 150 HP engines, or greater, and STOL wingtips. The compatibility of this design change with other previously approved modifications must be determined by the installer. If the holder of this STC 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.

----------------------------------------END----------------------------------------