We have our radar on even during clear days. Two reasons which come to mind are:
1. Able to track other vessels (tankers, container ships, ferries, etc) as "targets" to calculate intersect and crossing points, and
2. We can see what's approaching from behind as our rear visibility isn't as good as a raised pilot-house boat.
I'm sure others will add to the list.
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Ray
"Mahalo Moi"
1986 GB-42 Classic
ΜΟΛΩΝ ΛΑβΕ
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