Incident
at Gander Oceanic
This airacraft was involved in 3 different occurrences while enroute Reykjavik. N272HJ PAY1 enroute Goose Bay to Reykjvik was cleared to maintain FL110. Just prior to 50W the flight climbed to FL170 without ATC clearance. Nil Traffic. At Prince Christansan flight climbed from FL170 to FL210 without ATC clearance. There was Traffic at FL180 entering controlled airspace with a planned 1000 foot separation. Separation achieved is undertermined but is estimated to be about 60 nm lateral where 120 nm lateral separation is required. Flight was cleared 61N/40W direct 63N/30W. Aircraft progressed by 40W estimated 62N/30W. Gander ATC recleared aircraft via 62N/30W. NIL TSB