Skyrider returning to base causes CTD

[L C]

Only have had this occur in one game. After first use of Skyrider/helicopter the game crashes on his return to airport sector if mercs are also in sector.

Workaround: Remove all mercs from sector.

Savegame attached.

Arch Linux 64-bit ja2-stracciatella-git-7410.97316b5 https://aur.archlinux.org/packages.php?ID=81474 Jagged Alliance 2 Stracciatella version 14.XX