j_w_bruce
Orbiting Earth
Apparently it is FAR 45.29 as found on FAA.GOV
But apparently you can cross into Canada without crossing any ADIZ or DEWIZ, so no requirement for 12 inch numbers, and A/C built before '81 or over 30 years old only require 2 inch letters. I'm considering 2 inch letters now when I redo my exterior.
But apparently you can cross into Canada without crossing any ADIZ or DEWIZ, so no requirement for 12 inch numbers, and A/C built before '81 or over 30 years old only require 2 inch letters. I'm considering 2 inch letters now when I redo my exterior.





