Aircraft Operation (D20 Modern Feat)
From D&D Wiki
Select a class of aircraft (glider, ornithopter, or sky barge) that you are proficient in operating. The sky barge class includes large cargo planes, carryalls, heavy bombers, and any other aircraft with three or more engines. Ornithopters include transport and personal combat aircraft of all types. Gliders include non-powered craft.
Prerequisite: Pilot 4+ ranks.
Benefit: The character takes no penalty on Pilot checks or attack rolls made when operating an aircraft of the selected class.
Normal: Characters without this feat take a –4 penalty on Pilot checks made to operate an aircraft that falls in any of these classes, and on attacks made with aircraft weapons.Special: The character can gain this feat multiple times. Each time the character takes the feat, the character selects a different class of aircraft.