In Liverpool a team investigate the death of a crewman attempting to board a tugboat, and there's a mayday call in the North Sea.
Helicopter crews attend a sick child on Mount Snowdon, a French yacht in serious trouble in the English Channel, and a walker and his dog on the mountains of Scotland.
In Caernarfon, a helicopter is tasked with helping a kite surfer in trouble at sea. In Fareham, a fishing vessel triggers a distress signal, raising concern for the crew's welfare.
Off the coast of Devon, ferocious waves sweep a yacht onto rocks, and the Coastguard Rescue Helicopter from Caernarfon receives a call about an injured person trapped in a ravine.
A motor-powered yacht gets in serious trouble off the south coast. Sinking fast, the two casualties on board call for help and the Coastguard Rescue helicopter from Lydd takes part in a precarious rescue.
A helicopter crew is dispatched when an around-the-UK rowing boat challenge goes wrong.