In line with its determination to provide seamless air navigation services and also enhance safety of air travel within the nation’s airspace, the Nigerian Airspace Management Agency (NAMA), has facilitated the signing of letters of procedures between Kano Area Control Centre (ACC) and Abuja Approach Control Unit (APC) on the one hand and between Lagos Area Control Centre (ACC) and Port Harcourt Approach Control Unit (APC) on the other. The letters of procedures which spells out the condition under which the responsibility for provision of air traffic services shall be shared between the parent Area Control Centre and the subordinate Approach Control Units also specifies flow control procedures during periods of congestion, just as it specifies procedures to follow in the event of total or partial communication failure between air traffic control services unit and an aircraft among others. Speaking during the signing of the Letters of Procedures by Air Traffic Operations Managers...