The nuvi 550 can read and use the basic maps of a vision card but can not utilize the special features of a vision card. The nuvi 550 cannot do fish eye or mariners eye view. It will however read the basic charts on the card.

Marine Software Compatible: Yes
Bluechart g2 Map Compatible: Yes
Bluechart g2 Vision Map Compatible: Yes (limited)
No Birdseye Imagery

see features here:
Code:
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