Gidday Gidday,Here's some assorted notes on different seaplanes. Hope it helps, after all the less we know the more we do :-)
Amphib system: weak link, requires lots of care and maintance main gear cavity flodded when on water so gear submerged when 'wet' even when maintained failures are common scarificial landing strip on bottom to allow very safe wheel up landings on land said belt cheap and easily replacable float cost $750,000 minus 7-10kt speed with wheels out