The pilot who is presumed to have been killed along with his wife and 12-year-old daughter when their small rented plane crashed in the Gulf of Mexico shared his elation about completing his first solo flight in his last Facebook post.

Christian Kath, 42, — who remains missing after the Piper Cherokee went down on Saturday during a trip from St. Petersburg to Venice — had gushed about completing his first solo flight on his way to getting his wings on March 21, People magazine reported.