We describe conceptually an economic model of demand for research vess
el (RV) services, as determined by a production function for marine da
ta collection and research. This model provides a useful context for t
he discussion of several problems facing RV fleet planners. We address
two such problems in this paper: likely changes and uncertainty in fu
ture demand for RVs, and efficiency-distorting effects of budgeting an
d accounting procedures.