Ceres Group of Davidson, N.C., has announced CopterShares, a by-the-hour helicopter membership program. Flight time will be sold in increments of 25 hours and membership will include an annual maintenance and service fee. Ceres Group president Joseph DePaulis expects clients to include banks, corporations, race teams and drivers. Ceres plans to start operating the service with two Eurocopter EC 120s in the first of quarter next year.