Air War

Now you can participate in these battles in San Andreas!
Now if you click "no" when in Hydra, it will begin the Mission in which you need to shot down 8 enemy Hydr. Your protianiki will bomb you, and may even try to crash into your aircraft. You may opt-out of the mission by clicking "reply". The prize will get just by shooting down all enemies.
Also over the dam in the desert will fly the Hydra and adds 4 Hydra in different places of San Andreas. You can sit down and do some flying. Learn more about where they appear:
1. the mansion Of Doga-near the pool.
2. Construction in San Fierro.
3. not far from the school, next to a helicopter.
4. an abandoned runway.
5. in Las venturas near the House of Charles in an affluent area.