Is it time to swing your compass?

wonkywinch

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I hope he wasn't flying across Antarctica - the ONC and JNC charts of Antarctica are up there with chocolate teapots!
Very true. I used to fly a turboprop over remote parts of Indonesia and carried an ONC as a back up, unfortunately much of it was white with "Relief Data Incomplete" ..

https://maps.lib.utexas.edu/maps/onc/txu-pclmaps-oclc-8322829_l_11.jpg

borneo.jpg

txu-pclmaps-oclc-8322829_l_11.jpg
 
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