Quote:
Originally Posted by RLW
Why can't we just take a drop spreader with concrete dye and line either the sides or a center line. We use to do that with remote planes and cars both on ice and fields, and it worked good and didn't damage either surfaces. That is just this ole geezers 2¢’s worth and if this is a real problem. I guess we should let some of the past pilots that have flown into Alton give us their 2¢’s. 
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....Anything dark on the ice draws heat, which will promote melting of the ice. This is why when you build an ice rink in your back yard, you use a white tarp, or clear, as the liner, and why you remove hockey pucks, hockey nets, etc from the rink when not in use.
Our ice runway is usually well defined by snow banks, but to use dark colored markings could very well create more problems for the planes than it would help.