helicopter top rotor and tail rotor cause we definitly need to build helicopter
flare to avoid missile
more cockpit like car winsheld or a little tiny pilot use as cockpit
editing gun
add more air to ground weapon
more engine more car part
possibility to draw on the plane or stick a picture on it
cargo (tiny 1x1x1 box with stuff in it)
bomb bay
tiny tiny tiny drop bomb
and auto pilot
With a bit of skill, you can build most of these...
We have "flares", with some skill you can use them