sure I am serious. The air can be rising or dropping and contributes to the measurement of airspeed. You wouldn't want to be inaccurate would you? If you are going to measure airspeed, it has to include dives as well, and it can be controlled. Aren't you going to mandate dive brakes as well?

mongo, how many jet events have you flown? OOPS, that's right, your not a waiver holder, are you.