Lets load some aircraft with the commentators here who bag Government, Airlines, Aircraft and engine manufacturers, NAT, meteorology bureaux, the ones for call for instant test results and African sand jockey pilots who have flown with Volcano plumes (VFR) and you can all go and do the test flights for us...
We will, but you guys won't be satisfied before one/all of our engines goes quiet. You're in for a looong wait there on the ground