Air traffic services in the lower and upper airspaces are provided by the Roberts ACC using procedural method. Procedures for the control of traffic for flights below FL100 is carried out by the approach control units of each principal aerodrome are contained in the letters of agreement between these units.
Transfers of communication and control procedures are contained in the letters of agreement between the regional control center and the three approach control units.
Roberts Flight Information Region
P. O. Box 79, Robertsfield
1520 Harbel, Margibi County
Republic of Liberia
Telephone: (+231) 881 690 309 / 778 349 602