Originally Posted by
gollum
Of course then you would only be able to do one more leg because you would then exceed the 24 hours in 72.
Small correction to my above post, you could actually do another full round trip but would then again need 18 hours of rest before beginning a new duty period. The 24 hours aloft in 72 hours is also not a limit but it does dictate how much rest you need when you are done with that duty period.