"Hello drop oxygen masks and depressurize the plane."
Aw, gee, pal, now ya gone an' spoilt the plot for everyone. The only thing we don't know now is how many holes in the plane will occur as SLJ fires off his .357 mag at rapidly moving snakes.
Now, what sort of snakes are they - spitting cobras, diamondback rattlers, boa constrictors? My vote is on saw-scaled vipers - nasty 18" buggers that have a high fatality rate and absolutely wicked symtomatic envenomation (lots of orifice bleeding). Take one of the these in the back of the neck and its a REAL horror film...