Road flares. Kerosene lamps. Rags dipped in oil and set alight.
A really, really accurate GPS.
Night vision goggles?
Every single flashlight you can possibly find, even the dim lights from a cell phone.
Sounds like a lead in to a TV show, but drop flashlights or beacons with a little parachute from a safe height onto the deck of the rig with instructions to set them off in order to let you land safely. Drop plenty, as some may miss the deck.
Or, don’t do it at night.