T able 5 – Cancelled Sailings by Cause Disruption Cause Name FY 2019/20 FY 2020/21 FY 2021/22 Action of blue light services* 6 5 7 Adverse weather 6,311 4,550 5,113 All others 5 7 43 Bereavement issues* 2 Berth not free (cal mac)* 2 Berth not free (external) * 28 Bunkering issues 2 10 Bunkering issues* 2 Drills on passage* 2 Force majeure event* 135 1,194 2,053 Livestock sailing 5 Mechanical problems (ship)* 1,064 498 1,678 Mechanical problems (shore)* 109 18 25 Medical emergency* 6 8 1 Navigational issues 7 3 10 No call required 18 35 12 Pier work (external)* 220 44 16 Scot government approved 120 485 1,551 Ship involved in emergency* 7 6 14 Sub vessel (other reason)* 3 2 2 Substitute vessel (ann o...