Calvary was leading 1-0 at halftime with the lone goal scored by Karston Sutherland.
Aviation responded shortly after, knotting the score at 1-1.
Freshman Zach McFarren gave Calvary a 2-1 lead.
The Eagles continued to lead until the closing minutes when Aviation managed to tie the score.
Calvary is now 2-1-2 on the season.