Universal's Class A or Class B TAWS will increase your situation 
awareness and provide advanced warning of a Controlled Flight Into 
Terrain (CFIT) condition. These systems, approved in accordance with TSO
 C151b requirements, offer forward looking terrain avoidance based on 
terrain data and the aircraft's state and predicted flight path, 
required RTCA DO-161A and TSO-C92c ground proximity functions warning of
 imminent contact with the ground.