Carriage of a flight navigator

(1) A public transport aircraft when carrying out any flight described in the following paragraph of this regulation shall carry a duly licensed flight navigator as a member of the operating crew in addition to the members thereof whose carriage in the circumstances of the flight is required, apart from this regulation, by or under the Order. (2) The requirements of the preceding paragraph shall apply to a public transport aircraft when carrying out any flight – (a) the proposed route of which as planned prior to take-off exceeds a great circle distance of 500 nautical miles when measured along either– (i) the route as intended to be flown if conditions permit; or (ii) that route as it may be varied by any diversion planned prior to take-off as an 112 Civil Aviation alternative for adoption, if necessary, in the course of the flight, from the point of take-off to, in case (i), the point of first intended landing or, in case (ii), the point of first landing specified for the purpose of any such diversion; and (b) in the course of which the aircraft, in following any route planned or varied as aforesaid, will fly over any part of an area specified in the Schedule to these Regulations.