This page lists all of the possible glitches encountered in Grand Theft Auto: San Andreas.
The player can open the front gate of the Easter Bay Airport before CJ acquires a pilot's license. First, they have to go up to the left sliding gate, punch it, and then they need to turn away quickly, and it should slide open.
Sometimes, if the player has killed a lot of pedestrians and they run away from the corpses, there is a chance that an Ambulance will still appear near the corpses, but when the player gets close or checks out the vehicle via a sniper scope, there will be no paramedics coming out of it. When the player encounters the said Ambulance, its emergency light can still be seen lighting on. This is more than likely a glitch.
The player must go to any Ammu-Nation shooting range, and make sure CJ is dating Katie Zhan. Then, they have to go to any weapon challenge, and enter the "suicide" cheat. When CJ respawns at the nearest hospital, he will not have any of his weapons. Then, he must pick up either a pistol, Micro Uzi, Shotgun or Assault Rifle and it will have infinite ammunitio...