May 15, 1978
10. Interior. Nothing permanently installed by the builder may be altered, removed, or
shifted to another location, except that:
If no head is carried in the forward cabin, additional lead or other corrector weights of 15
pounds must be carried forward of the forward bulkhead.
Any additional equipment or interior construction is allowed, and factory-supplied
corrector weights equal in weight to the added interior items may be removed from bow
and stern to achieve minimum change in c. g. location.
All changes (additions or removals) in corrector weights must be certified as being
correct by two members of the Association; and the changes and above certification must
be entered in writing in the official measurement certificate and maintenance record,
carried aboard.
11. Sails. All sails must be constructed by North Sails Inc. or a sailmaker approved by them.
For sanctioned regattas and other Mega Class racing, a yacht may only carry a mainsail,
jib, genoa, spinnaker and storm jib.
All sails must be cut from dimensionally stable patterns copied exactly from one master
pattern. Records of the properties and weight of the lot number of the sailcloth used in all
MEGA sails must be kept by the sailmaker and made available to the Mega Association
Technical Committee upon request.
Sails may be purchased from North Sails or any approved dealer. Only one of each of the
above five sails may be measured in and carried aboard at any sanctioned event.
12. Instrumentation. Basic instrumentation allowed includes:
a. Three compasses (Additional hand bearing compasses may be carried aboard.)
b. One speedometer with a sum log
c. One fathometer
d. One RDF
e. Non-electronic tell-tales and a lighted masthead wind indicator.
f. Radios as desired.
No other instrumentation may be used while racing, including electronic navigation
devices, radar, electronic mind speed or direction indicators, etc.
A portable electronic computer may be carried. providing its cost does not exceed $150
US in 1978 buying power (as measured by the US Consumer Price Index).