Section 2(a) in The Aircraft (Investigation of Accidents and Incidents) Rules, 2012
(a)"accident" shall mean an occurrence associated with the operation of all aircraft which,-(i)in the case of a manned aircraft, takes place between the time any person boards the aircraft with the intention of flight until such time as all such persons have disembarked; or(ii)in the case of an unmanned aircraft, takes place between the time the aircraft is ready to move with the purpose of flight until such time as it comes to rest at the end of the flight and the primary propulsion system is shut down, in which -
