Constructed
Constructed means the date
(1) The vessel's keel was laid; or
(2) Construction identifiable with the vessel began and assembly of that vessel commenced comprising of 50 metric tons or at least 1 percent of the estimated mass of all structural material, whichever is less.
Source
46 CFR § 170.055
Scoping language
Assumed average weight per person means the weight calculated in accordance with 170.090 of this part.