5B. I’ve been a little stumped on proceeding with this one. Based on the plane being either an EM2 or a SF3, the options are limited. If I think about starting in RIC and the available flights, all I could come up with is that the first flight out would be on a CO EM2. At that time, I think the mini-hub in GSO was operational so I will guess the first leg of this is a CO EM2 running RIC-GSO.