I may have seen a source listed here but can't find it. I used electrical tape for the Bahamas and the US customs guy did not like it.
Try waxing the surface before applying the tape.Careful, it peels paint and leaves a nasty residue! (how do I know?)
Figure out a paint and solvent combination that won't hurt the base coat and use that. Wipe the big ones off when you get home.
An obvious question to me that does not appear to be covered in the FAR is readability of temporary numbers. For example, if one has some lines or designs along the fuselage (as many RVs do) and the temp numbers are placed over these lines/designs, in some cases the numbers are going to be more difficult to read than if they were on a solid-color background. Anyone have experience with this as an issue when crossing the border? Solution maybe to use the vinyl or contact paper idea and leave a white background temporarily?
I have the same question... CFR 45.21(c) sez marks must (2) Have no ornamentation; (3) Contrast in color with the background; and (4) Be legible. Sounds like it just comes down to a judgment call by whoever is looking at your plane.
Our RV-6 doesn't have any fancy designs, but it does have blue, gray, and white stripes. White letters are going to overlap with some white parts, but might be legible anyway, depending on what you mean by that. Black letters are going to contrast with all those colors, though not very much with the dark blue, but how much is enough.
Your idea of going with a big sheet of white plastic with contrasting numbers on it would solve that problem. I'd guess it might be harder to remove a big sheet than individual cutout letters though. And you need to be careful you don't cover up your static ports.
--Paul
i found the 2 inch blue painters tape has worked fine. my girlfriends side seems to hold up better. we apply just before departing the islands. itys on for a couple hours and comes of with no problem.
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I don't recall the specific language. It was readable. Maybe because it was not perfect letters/numbers or electrical tape. Just said he would not accept it again although I don't know that he has any say in the matter.
Sometimes it is best to let people on power trips have their way.