Royal Flying Doctor Service was flying a B200 IFR out of Broken Hill, Australia and had a young student doctor in the right seat, who was unfamiliar with flying and for whom English was a second language. As the flight progressed, the pilot noticed the student becoming more and more uncomfortable and, after a normal landing, noted an undue amount of relief on the student's face.
"Why are you so relieved?"
"Because we survived the emergency."
"Err, what emergency?"
"You know. I heard you on the radio talking about 'my big dilemma.'"
(She had misheard the call sign "Mike Victor Lima" ... .