The SBF Binnen Motor (recreational craft licence) is the official boat licence for driving recreational craft with a length of less than 20 metres on inland waterways under propulsion. It is required for driving recreational craft on inland waterways subject to the Inland Waterways Regulations for internal combustion engines with a power output of 11.03 kW (approx. 15 hp) or more, and for electric engines with a power output of 7.5 kW (approx. 10.2 hp) or more.
This motorboat licence is internationally recognised and mandatory on most motorboats and motor yachts. For larger motor yachts, up to 25 metres hull length, the sports boat certificate, the E-Patent, is required.
A corresponding sailing licence is the Sportbootführerschein-Binnen Segeln.
The boat licence for the seas and oceans is the Sportbootführerschein See. The SBF See is independent of all SBF-Binnen certificates.