During the tactical exercise”Racek”, which took place on friday, september 9th, 2013 in Doksy , a collective rescue of people from the water and from a boat with subsequent sorting and treatment of those affected had been tested and screened. In the maneuver participated our helicopter EC135 from the Liberec Air rescue station, and our helicopter AS-355N, which flew to the exercise area from Hradec Kralove. Our pilots showed their professional readiness to perform tasks in coordination with EMS and Police. Saving people was carried out by boats and helicopters. Classification and treatment was secured ashore in mobile tents.