As security is a major issue at airports and in particular the adhesion of airstrips, AERCO carried out from 26th February to 10th March 2022 slip control and degumming work on the runways of Maya-Maya airport in Brazzaville and Antonio Agostinho NETO airport in Pointe-Noire.
Degumming is an aeronautical pavement maintenance operation that consists of removing the gum left by aircraft on landing. Thanks to a very specialized equipment from Europe, the hydro projection treatment has therefore made it possible to remove the gum deposits and ensure a roughness in accordance with the standards in force.
In order not to disrupt the activity, the degumming on both airports took place at night.
Maintenance began and ended with the measurement of the CFL (Coefficient of Longitudinal Friction) in order to measure adhesion before and after degumming.
These very expensive maintenance operations carried out every two or three years are part of the ICAO certification of both airports.