/usr/share/games/xpilot-ng/fonts/FreeSansBoldOblique.ttf is in xpilot-ng-common 1:4.7.3-2.3ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/games/xpilot-ng/fonts/../../../fonts/truetype/freefont/FreeSansBoldOblique.ttf