Calm down. [Kaiba says with clear frustration at the other man's melodramatics. He wasn't any happier about this situation, but panicking wasn't going to help them either.]

I did fill-up before I left. Somebody must have sabotaged the jet.

[Re-opening the cock-pit and flipping the button to open the engine compartment, Kaiba then climbs out of the jet.]

I'm checking the engine. It might just be a malfunction.