That’s the thing, while the third mate was getting the pilot off the captain made two course changes by eye to get around the ice.
When the 3/m returned the captain had him put a fix on the chart and then told the VTS he was going to slow down for the ice but he had already put the engine on load-up program and before he left the bridge the capt the helm put on auto.
Here’s the track, for scale the traffic lanes are about 1/2 mile wide.