I concur. I had a 'shamrock class' 4 berth 'chine hull' 'bridge deck catamaran' built by Hawker/Siddeley.
Believe me, it's a 'headache'! A 'yacht' is considered to be 'a hole in the water that you fill with money', and I've found this to be so true!!!
Kindest regards, Ray Dart, (AKA suricat).