Late yesterday, Rwanda’s national airline announced that IATA, the International Air Transport Association, awarded them the coveted IOSA Certificate following an extensive audit process which the a Late yesterday, Rwanda’s national airline announced that IATA, the International Air Transport Association, awarded them the coveted IOSA Certificate following an extensive audit process which the airline had to undergo over several months with every aspect of operations closely monitored and assessed. The audit of RwandAir was carried out on behalf of IATA by the GHS Aviation Group, one of the few companies approved by IATA to conduct such audits on their behalf.