Clear ice a possible factor in Learjet crash 0 ▲ pauleychrome 1 hour ago · Gaming · hide SEEMS TRAGICALLY LIKELY, BUT I’M NOT AN NTSB INVESTIGATOR: How an Invisible Enemy May Have Sent a Learjet Into a Deadly Nosedive. I’m sure we won’t know for sure for many months. Commenting on Bubbles has been removed. Why? If you want to talk about this post, write to the author, use the comments on their blog if it has them, or reply with a "RE:" post on your own blog. Suggestions? feedback@bubbles.town