Archaic thinking. Adlard Coles disproved the lying ahull theory years
ago.

I don't know about Mr. Coles, but I used the 'lying ahull' in a very rough
Winter passage through the Windward Passage (going north against the
prevailing North Easterly winds) on my 22 footer, and it saved my butt.

Multihulls have been crossing oceans for centuries.

Gaz