D. Vessel. Every type of water craft, other than a seaplane on the water, used or capable of being used as a means of transportation on the water. DEFINITIONS IV. A. CruisePlan. B. Limnology. Any scheculed voyage. Scientific study of physical, chemical, meteorological, and biological conditions in fresh water, especially of ponds and lakes. ~\. C./ An official record for entries with respect co time of Logbook. departures/arrivals, tests, drills, and inspection, fuel oil data, drafts, change of personnel assignments, casualties (personnel and material), unusual occurences, en re na etc. Such loss or records shall be retained for the life of th versal. ee D. A person responsible for tha Master (Qualified and Licensed). operation of the vessel and who has had experience with similar vessels on a boty of water like that on which the individual expects to operate and who hols a validated operator's or a superior license. E. Marine Supervisor. A person responsible for the state of readiness of the vessel and craws, scheduling tests and repairs, maintaining all records pertaining to vessels, F. Markings. and procuring supplies. Identification of emergency equipment, instructions and controls for the guidance of the persons on board in case of an emergency. G. Owners Certificate. A letter, certificate or plaque certifying that the vessel is operated as an oceanographic research vessel under the laws of tho United States. H. Oceanographic Research Vessel. A vessel,employed exclusively in oceanography or limnology, or both, or exclusively in oceanographic research, My Cry tf. Mets ma Page 4 4430