From 11^th to 15^th of May 2011 The International Defense Technology Exhibition and Prevention of Natural Disasters SITDEF 2011 took place in Lima (Peru). It is one of the biggest events of this type in Latin America. It is held under patronage of the Minister of Defence of Peru. Producers from several dozen countries were presenting their products. PCO S.A. was among exhibitors showing i.a. SWPL-1 Flight Parameters Display System.