4 ms·

I was thinking it could be blue ice - leakage from another jet's waste holding tank. https://en.wikipedia.org/wiki/Blue_ice_(aviation) https://en.wikipedia.org

by chiph 1y ago

I was thinking it could be blue ice - leakage from another jet's waste holding tank. https://en.wikipedia.org/wiki/Blue_ice_(aviation) https://en.wikipedia.org/wiki/Blue_ice_(aviation)

lazide 1y ago
Not too many commercial aircraft at > FL 360. They’d be hard to miss too.