PSUforty,

ATC: Pan Am 1, descend to 3,000 ft on QNH 1019.
Pan AM 1: Could you give that to me in inches?
ATC: Pan Am 1, descend to 36,000 inches on QNH 1019
***
Cessna 152: "Flight Level Three Thousand, Seven Hundred"
Controller: "Roger, contact Houston Space Center"
***
Lost student pilot: "Unknown airport with Cessna 150 circling overhead, identify yourself."
***
ROFLMAO!