Nigerian Airspace Management Agency, NAMA, on Monday, suspended its proposed increment of en-route navigation charges. Last week, NAMA said it was proposing the increase of en-route navigation charges from N2,000 and N6,000 to N18,000 and N54,000 per flight. However, the agency, in response to the directive from Minister of Aviation and Aerospace Development, Mr Festus Keyamo, has put the decision …