[ScottM]

John,
For titling purposes, Massachusetts assigns a "MSZ" HIN for pre-1972 boats or boats missing a HIN. I wonder if Florida assigns the "FLZ" number in the same instances? When I bought my '72 Seabird, I was trying to make sense of the HIN on the title and ended up finding out from our DMV that the state issued it when the previous owner registered it here.