Optional use of ECDIS
is required? or other back up or other back up required (3) required (3)
solution required solution required
What are the None needed (1) An “appropriate” All up to date All up to date
requirements for (except if back up is folio of up to date papercharts paper charts
the carriage of a folio of paper charts to be required required for
Official paper paper charts) used in conjunction for safe safe navigation
charts? with the ECDIS navigation for the intended
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