www.orc.org en dan measurement.
Boats shall be measured dry in light ship condition without crew, which as defined in details in IMS Rule E2. Items on board include:
Internal ballast
Batteries
Fixed interior accommodation, hatch covers and floor boards
Fixed machinery, electrical and plumbing systems
Mast, boom, spinnaker pole and any sprit
Standing rigging and fittings
Rudder, wheel/tiller and steering gear
Fixed electronics, instruments, compasses, lights, antennas and masthead devices
Pulpit, stanchions and lifelines
Mattresses and permanently installed table and doors
Permanently installed stoves, heaters or other electrical devises
Specifically excluded from the measurement trim are the following:
Water and any liquid contents of any tanks or voids in the keel or other appendages
Anchor and anchor lines
Deck and mooring lines
Any sails, including storm and emergency sails
Sheets, blocks, winch handles
All portable safety gear
Cushions, pillows and any other bedding
Cooking and eating utensils
Any food or stores
Miscellaneous portable and personal gear, books, navigational tools etc