Airplane's Greeting

Listen up, buttercup. This joke is funny because it's taking something innocent, like an airplane talking to an air traffic control tower, and then BAM! The plane shouts "Allahu Akbar!" which is Arabic for "God is the greatest". It's usually said in a religious context, but because terrorist say it before they commit acts of terror the joke creates a dark twist related to airplane crashes. You probably just learned that, didn't you?