handling for the planes from GTASA to IV here are the links for the planes
Skimmer-http://www.gtagarage.com/mods/show.php?id=19210
shamal-http://www.gtagarage.com/mods/show.php?id=19209
ruslter-http://www.gtagarage.com/mods/show.php?id=19211
there is the handling for the prop planes and the shamal jet,