arcadia 7;
project distress "Distress response" {
    oa_actor vessel "Vessel in distress" {}
    oa_entity rescue "Rescue coordination" {}
    oa_activity report "Report distress" {}
    oa_activity assess "Assess incident" {}
    allocation vessel_reports "Crew reports" { source @vessel; target @report; }
    allocation rescue_assesses "Team assesses" { source @rescue; target @assess; }
    interaction distress_report "Distress report" { source @report; target @assess; }
}