Originally Posted by SDQBound

AF has been doing the 772 rotation between ORY-JFK and ORY-CAY since the launch of the ORY-JFK route. Currently birds GSPO and GSPL are used for both routes. A similar rotation is done with the 77Ws currently used for FDP and PTP. The introduction of the BEST configuration for ORY-CAY might just be driven by AF's desire to have such rotation of the equipment and not by the route itself.