Moore Stephens says shipowners have seen crew costs rise slightly and insurance costs fall dramatically over the past year. shows handysize bulk carrier crew costs up 6.9 percent, while insurance costs for the same ships fell 18 percent. Richard Greiner, director of research for Moore Stephens, says, "This is our second OpCost report, and it gives a very clear picture of how much shipowners and managers are spending, and where their money is going. OpCost is a vessel operating cost benchmarking tool exclusive to Moore Stephens. It allows owners, managers, lawyers and financiers to benchmark vessel-operating costs against a sample of actual vessels operating worldwide. sizes of tanker, dry cargo ships, container vessels, reefers and Ro/Ros. fees and sundries. annual report.