I regularly get to fly with people “off the street” as it were, or with pilots having a relatively low number of hours. Such people are invariably pleasant companions, eager to learn and to have a bit of fun. I also, occasionally, get to fly in an aerobatic aeroplane with highly experienced airline Captains who know all there is to know about airmanship, command and crew co-operation

But they just happen not to have flown inverted before. Flying with all these types of...