In this Act:
"accident site" means:
(a) a site where an accident has occurred; or
(b) a site on which there is an impact point caused by a space object or high power rocket that has been involved in an accident; or
(c) a site on which there is a space object or high power rocket that has been involved in an accident;
together with such area around the site as the Investigator of the accident determines to be reasonably necessary to facilitate the investigation of the accident and securing of the site.
"accident site premises" means:
(a) premises on which there is an accident site; or
(b) premises that it is necessary to enter to get to premises on which there is an accident site.