Thunderbird 4 was dropped into the sea off the west coast of Ireland, Gordon Tracy didn't take long to find the stricken plane (which had settled on the ocean floor), as the crew had turned on the aircraft's lights when they spotted the submarine in the distance. Ocd_40.png Ocd_33.png Ocd_34.png Ocd56.png|Fireflash 4 with its lights turned on.