LL COLLINS TDR-94D ATC/MODE-S (ADS-B) TRANSPONDER(S) IN A SIKORSKY AIRCRAFT CORPORATION S-76C HELICOPTER Revision (B) 02/26/2014 Prepared By. PHI Engineering, Electrical Approval: PHI Engineering, Structural Approval: Project Management Approval: 0070900AA“ Page I of 6 SDNY_GM_02757653 SUBJECT TO PRO