I am sure you have found these sites but for the rest of us it gives some clues about Voyod, who sounds like a very interesting character:
https://www.secretprojects.co.uk/thr...pioneer.27386/
http://www.cnac.org/devoyod01.htm
Some of the photos he had collected (apparently from his albums/scrapbooks that were sold).
https://www.airhistory.net/photo/135257/J-BBEA
http://www.artnet.de/k%C3%BCnstler/a...U9SheWusc1thQ2
https://www.e-pics.ethz.ch/index/eth...L_1101803.html
Search for Voyod:
http://www.cazo.fr/wp-content/upload...R_22042015.pdf
A brief article on airfields in the area:
http://english.cqnews.net/html/2014-...t_32033828.htm
Here is a 1945 map of the area:
http://legacy.lib.utexas.edu/maps/am...ing-h-48-q.jpg
It does show the airfield (not named) on the northern tip of the island.
I don't see any evidence of the airfield on Google Maps today:
https://www.google.com/maps/place/Ya...!4d112.8915932