It's expected to, but because of the permanent flight restriction it's not exactly required to. Regardless, the fact that all its lights went out is what makes the signal impossible to ignore.
spez: The warning lights are still on. You can see the cluster of four lights at the tip.
I think they're referring to non-military. Private planes aren't military.
true, but they are still apt to collide with dark objects at night :)
Military planes, with all the military electronics they can put in? Not as apt as you'd like to think.
The washington monument does still have a beacon at the top. Its expected to remain lit at night.
It's expected to, but because of the permanent flight restriction it's not exactly required to. Regardless, the fact that all its lights went out is what makes the signal impossible to ignore.
spez: The warning lights are still on. You can see the cluster of four lights at the tip.