What sound does a dump truck make when it is backing up?

Beeep… Beeep… Beeep…

What sound does a frog make when it is backing up?

Tibbir… Tibbir… Tibbir…

What sound does an airplane make when it is backing up?

Eeeeeee…. kcriiissshhh!

78째F/69째F Sunny, 8″ Rain this past weekend.