Multiplayer, wheels locked, can't take off.

[WWFlybert]

I believe you mean release the chocks ..

on carriers and some airfields, there may be chocks under the tires

check your controls .. might be custom keys, mine are set up on Alt+C for
"chocks away"

[Maxtor]

Haha, what a fool! (Me, clearly)
Cheers guys

[GF_Mastiff]

thought this was funny "hey honey! I can't eat dinner right away.. I'm still trying to figure out why my plan is just sitting here on the runway not bugging full throttle..."