With the Infinite Improbability Drive engaged, the ship became part of the Universe itself until the coordinates slotted into their tumblers and popped the craft out at the correct destination with the interstellar travel equivalent of a ta-dah, scaring the hell out of the person parked in the next bay. But until that moment anything could happen, especially anything that was highly improbable, which of course then made it probable, which rendered it improbable again, repeating ad infinitum.
