Designed with the Professional in mind,
this added content package includes an SD card with all of the
powerful features of the AERIAL IMAGE background map and PREMIUM
PACKAGE containing: OFFSHORE BLOCK & RIGS, WILDLIFE MANAGEMENT
AREAS, TRUSTED ROUTES, TIDES AND CURRENTS, with the addition of
OYSTER LEASES and SEED GROUNDS. These features can be used at the
same time as the built in unit features, including navigational aids.