Category 2:
Craft categories – Max length 60ft – Narrowboats 75ft Craft description: Craft over 17 knots based and used solely on UK non tidal waters including interconnecting tidal stretches for direct access to inland navigation systems, inland lakes and reservoirs.
OR
Craft up to 17 knots based and used solely on UK inland or coastal waters up to 12 nautical miles from the UK coast.