Thunderbirds - ahead of their time

Here, Alan uses the hoverbike to access a building containing hostages surrounded by a swamp filled with mutant alligators.  The noise, the manouverability and the scenario all fit the MJP jetpack.  

And as for you knockers, wait to you are are surrounded by mutant alligators and suddenly you be like, "oh yay, thank goodness, Alan is on the jetpak coming to save us"