And today word of the day is: Unattended Tags:aircraftaviationaviationenglishcoursedcelearningICAOICAO4Uicao4youicaoaviationicaoenglishicaolevelicaolevel4icaolevel5icaolevel6pilotsamolotunattendedwordoftheday Leave a Reply Cancel replyYou must be logged in to post a comment.