(f)"hostage" means a passenger or a crew member of an aircraft or any security personnel on board the aircraft or a ground support staff involved in the maintenance of the aircraft, who is unlawfully seized or detained without his consent, or with his consent obtained by fraud or duress, by an individual or by a group of persons, during the transit of an aircraft or when it is stationed at an airport, with an intention to secure any demand or fulfilment of any condition made by such individual or such group of persons;
