Port St Mary Lifeboat was called out twice in an hour on Tuesday.
The volunteer lifeboat crew was called to help a boat which was having fuel problems near the Sound.
The vessel was towed to Port St Mary harbour.
Immediately afterwards, the RNLI crew spotted a man on another boat waving his arms a quarter of a mile from the village breakwater - he'd lost steering and was towed back to his mooring.
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