The disputed Q-ship rescue decision

Was there a Q-ship captain who refused to rescue the crew of a sunk U-boat?

There were arguments for rescue and for being unable to attempt it. The recollection is that the captain was not prosecuted, but the case is unnamed and the relevant notes were unavailable.

The alleged refusal to rescue a sunk U-boat's crew has competing operational arguments. There were reasons the captain should probably have attempted rescue and reasons he could not, but the details are not specified. The recollection is that the officer was not prosecuted, although the relevant notes could not be found during the stream. Britain had an incentive to investigate misconduct because its wartime position depended partly on appearing law-abiding in international opinion. The captain is not named, and the recollection leaves the case without enough detail for a firm verdict.