2. In this Ordinance, unless there is anything repugnant in the subject or context,-(a) “aerodrome” means any area of land or water designed, equipped, set apart or commonly used or intended to be used, either wholly or in part, for affording facilities for the landing and departure of aircraft, and includes all buildings, sheds, vessels, piers, and other structures thereon or appertaining thereto;(b) “aircraft” means any machine which can derive support in the atmosphere from reactions of the air, and includes balloons, whether captive or free, airships, kites, gliders and flying machines;(c) “airport” means an aerodrome at which facilities have, in the opinion of the Government, been sufficiently developed to be of importance to civil aviation;(d) “air transport service” means a service of aircraft for the purpose of effecting public transport of passengers, goods, mails and other things;(e) “commercial flying” means flying for carriage by air of any passenger, mail or goods for hire or reward and such other flying for the purposes of any trade or business as may be specified by the Government and “commercial flight” shall be construed accordingly; (f) “export” means taking out of Bangladesh;(g) “import” means bringing into Bangladesh;(h) “landing area” means the part of the movement area intended for the landing or take off run of aircraft;(i) “prescribed” means prescribed by rules;(j) “purposes of civil aviation” include all purposes connected with air navigation except purposes of defence by air;(k) “rules” means the rules made under this Ordinance.