Take a submarine into the Pacific Ocean in the north part of the map). You can find an crashed UFO deep underwater. Get a helicopter and fly at a very high altitude over Fort Zancudo). Jump out and skydive and a UFO may materialize below you. Note: Attempting touch the UFO will result in you getting repelled by a force field or killed by the propulsion system. Get a 100% game completion. Go to the viewing platform at the top of Mt. Chiliad. Wait until 3:00 a.m. on a rainy night (cycle through the "Change weather " code if needed), and a UFO with FIB markings will appear in the sky. Note: The mysterious hologram will also appear in the distance, but the UFO will disappear if you approach it. Fly a helicopter at a very high altitude over the hippy camp at Sandy Shores) and a FIB marked UFO should materialize.