I’ve seen these planes flying a few times, and it does seem to be an every Saturday night thing, but I never had the camera handy before.
As far as I can tell, a group of model plane (is that the right term?) enthusiasts have decorated their planes with LED lights, and each weekend they get together and fly them. You can hear a guy yelling out directions so that the planes fly in formation and don’t crash one another. Maybe it’s just that I have a fascination with the shiny things in life, but I could’ve watched this for an hour without getting bored.
The times I’ve caught it, they’re always in the park area by the Riverside Mall near Clarke Quay on Saturday nights. Usually I’ve caught this around 9-10pm.