RNLI lifeboat 16-01, Peter and Lesley-Jane Nicholson, moored at Inverness marina.

According to the RNLI website, it's the first of the Tamar class lifeboats. And part of the RNLI's relief fleet, to provide cover for future Tamar stations when a lifeboat is away for maintenance. Technical information:

Named: 06 July 2005
Length:  16m (52ft 6in)
Width:  5m (16ft 5in)
Draught:  1.35m (4ft 5in)
Weight:  31.5 tonnes
Crew:  7 (including doctor)
Material:  Fibre reinforced plastic
Endurance: 10 hours at 25 knots
Speed:  25 knots
Power:  2 x 1,000hp turbo-charged diesels
Propulsion: 2 x fixed-pitch five-bladed propellers
Fuel:   4,600 litres/1,000 gallons