Looking at NVIC 01-16 section E
C. Redundant Arrangement. For vessels using official electronic charts as the primary
means of navigation, an independent redundant arrangement is required in order to
meet the equivalency, and must be:
If official electronic charts are being used as the primary and back-up means of
navigation, the equipment identified in Section E (Integration) of this enclosure must
be integrated with the redundant arrangement as outlined
E. Integration. ECSs are most functional for navigational safety when fully interfaced
with installed navigation equipment.
- The following equipment, if installed, must be integrated with the ECS in order
to meet the equivalency:
d. Marine radar
Do you take this to mean that the ECDIS radar overlay must work, or simply that it must be part of the IBS in order to go paperless. I would think the overlay would have to work because it is referring to integration with the ECS instead of the IBS?