2Definitions

#### 2 Definitions 2.1 Definitions > In this Division— > > approach a marine mammal includes operate an aircraft or vessel that approaches the marine mammal. > > aircraft means any airborne craft, including a fixed wing craft, helicopter, gyrocopter, glider, hang glider, hot air balloon, airship or unmanned aircraft. > > calf means a whale, dolphin or dugong that is not more than half the length of an adult of the same species. > > constant slow speed, in relation to a marine mammal or group of marine mammals that is being approached, means a speed of approach to the marine mammal or group that is constant, slow and leaves negligible wake. > > dolphin means an animal of the family Delphinidae or Phocoenidae (other than a killer whale (*Orcinus orca*)). > > dugong means an animal of the species *Dugong dugon*. > > marine mammal means an animal of the order Cetacea or Sirenia or the family Otariidae or Phocidae. > > operate a vessel includes— > > > (a) to determine or exercise control over the course or direction of the vessel or over the means of propulsion of the vessel (whether or not the vessel is underway), and > > > (b) to pilot the vessel. > > prohibited vessel means a vessel that is a personal motorised water craft (for example, a jet ski), parasail, hovercraft, wing-in-ground effect craft or a motorised diving aid (for example, a motorised underwater scooter) and includes a remotely operated water craft (for example, a remote controlled speed boat). > > pup means a seal or sea lion that is not more than half the length of an adult of the same species. > > seal or sea lion means an animal of the family Otariidae or Phocidae. > > swimming includes snorkelling or diving. > > unmanned aircraft means any unmanned airborne craft, including a drone or other remotely piloted airborne craft. > > vessel includes a water craft of any description that is used or capable of being used as a means of transportation on water, but does not include an aircraft that is capable of landing on water. > > whale means an animal of the order Cetacea other than a dolphin and includes a killer whale (*Orcinus orca*). > > **cl 2.1:** Am 2020 (598), Sch 1\[1\]–\[4\].