TT21/TT22 Transponder Installation Manual 22 August 2017
00560-00 AP
______________________
8 Trig Avionics Limited
3.4 Installation Approval
The conditions and tests required for the TSO approval of the TT21/TT22
Mode S Transponder are minimum performance standards. It is the
responsibility of those desiring to install this transponder on or within a
specific type or class of aircraft to determine that the aircraft operating
conditions are within the TSO standards. The transponder may be installed
only if further evaluation by the user/installer documents an acceptable
installation that is approved by the appropriate airworthiness authority.