[Gappy]

Or do it this way.

pawn Код:

public OnPlayerStateChange(playerid,newstate,oldstate)
{
  if(newstate == PLAYER_STATE_DRIVER)
  {
    if(IsPlayerInVehicle(playerid, 520))
    {
       RemovePlayerFromVehicle(playerid);
      SendClientMessage(playerid, 0xFFFFFFFF, "Sorry but flying a hydra is currently unavalible!");
    }
  }
  return 1;
}