13-14.1) An aircraft flying at FL 370 on MNPS airspace is unable to continue flight in accordance with its air traffic control clearance (degradation of navigational performance requirements, mechanics troubles etc), but is able to maintain its assigned level (FL 370), and due to a total loss of communications capability, could not obtain a revised clearance from ATC. The aircraft should leave its assigned route or track by turning 45ºto the right or left whenever this is possible, and the subsequent action will be, turn to acquire and maintain in either direction a track laterally separated from its assigned route and climb:
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