"juvenile" means a person who is not more than 16 years of age.
"major offence" means--
(a) the crime of murder or manslaughter or an offence
against section 33, 35, 53 or 54 or any other provision of the Crimes Act
1900 , being a crime or offence by which the death of or bodily harm to
another person was caused by or arose out of the operation of a vessel, or
(b) an offence against this Part.
"operate a vessel" includes--
(a) being towed by a vessel, whether on a water
ski, aquaplane, paraflying device or other device, or
(b) act as observer on
a vessel, for safety purposes, of any person being towed by the vessel, or
(3) An offence against a provision of this Part or
Schedule 1 is a
"second or subsequent offence" only if, within the period of 5 years
immediately before a person is convicted of the offence, the person was
convicted of another offence against the same provision or of a major offence.
(4) An offence against a provision of this Part or Schedule 1 is a
"first offence" if it is not a second or subsequent offence.