a de havilland canada dhc-6 twin otter float plane in west coast air livery
numerous modern civilian aircraft have floatplane variant, light-duty transportation lakes , other remote areas. of these offered third-party modifications under supplemental type certificate (stc), although there several aircraft manufacturers build floatplanes scratch, , few continue build flying boats. many older flying boats remain in service firefighting duty, , chalk s ocean airways operated fleet of grumman mallards in passenger service until service suspended after crash on december 19, 2005, linked maintenance, not design of aircraft. purely water-based seaplanes have largely been supplanted amphibious aircraft.
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seaplanes can take off , land on water little or no wave action and, other aircraft, have trouble in extreme weather. size of waves given design can withstand depends on, among other factors, aircraft s size, hull or float design, , weight, making more unstable aircraft, limiting actual operational days. flying boats can typically handle rougher water , more stable floatplanes while on water.
rescue organizations, such coast guards, among largest modern operators of seaplanes due efficiency , ability both spot , rescue survivors. land-based aircraft cannot rescue survivors, , many helicopters limited in capacity carry survivors , in fuel efficiency compared fixed-wing aircraft. (helicopters may fitted floats facilitate usage on water, though not referred seaplanes.) these more limited in range.
water aircraft used in remote areas such alaskan , canadian wilderness, in areas large number of lakes convenient takeoff , landing. may operate on charter basis, provide scheduled service, or operated residents of area private, personal use. in western hemisphere, there numerous seaplane operators in caribbean sea offer service within or between island groups.
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