Flyby Attack

The material below is Open Game Content from a 3PP Source

Flyby Attack
This creature can make an attack before and after it moves while flying.
Prerequisite: Fly speed.
Benefit: When flying, the creature can take a move action and another standard action at any point during the move. The creature cannot take a second move action during a round when it makes a flyby attack.
Normal: Without this feat, the creature takes a standard action either before or after its move.