The free check tells you whether the number decodes, whether the boat is on the register, and how many flags it carries. The report tells you everything the register holds, with sources.
What the free check shows
The number decodedCountry, builder code, month and year of build, from the standard format.
On the register or notWhether an owner or a provider has put this boat on the register.
A count of flagsHow many active flags, stolen, finance or written off. The report shows the detail.