Posluch, SamuelPetríček, Pavol2023-11-162023-11-162023http://drepo.uniza.sk/handle/hdluniza/968This paper presents a new possibilities and methods of Helicopter emergency medical service operation in marginal adverse weather conditions with using the helicopter terrain awareness and warning system and impact on safety of crew and operation. It explains current operations in Slovakia, the principle of helicopter terrain awareness and warning system. Subsenquently, analyzed accidents with most common cause – controlled flight into terrain. Furthermore it analyze, design and verify the possibilities of increasing safety operations for helicopter emergency medical service also summaries designed so-called corridor with verify flights for proposes additions for next higher level of safe helicopter operations.enhttp://creativecommons.org/licenses/by/4.0/safetyhelicopter emergency medical serviceHTAWScontrolled flight into terrainvisibilityConference paperhttps://doi.org/10.26552/pas.Z.2023.2.11