A bit of Aviation History for you all.
This is a PDF file
There has been so much interest in this article I have updated it a bit.
Transcontinental Air Main Route Marker Arrows
A bit of Aviation History for you all.
This is a PDF file
There has been so much interest in this article I have updated it a bit.
Transcontinental Air Main Route Marker Arrows
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Great histery lesson. DR navigation wasn’t always very accurate this was a great idea that worked.
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