Gill had been in the air September 14, 1912, in a Wright Model Exsingle seater, as night was coming on. He did not want to go aloft as night was coming on but promoters of the flying meet pressured him to ascend. It was the understanding of the pilots that no two airplanes were supposed to be in the air at the same time. George Mestach was told this but went up in his Morane-Borel monoplane before Gill landed. Mestach did not see that Gill had not yet landed and collided with Gill's tail rigging. The two planes crashed, in a similar fashion to the 1910 René Thomas - Bertram Dicksoncrash at Milan. Mestach sustained cuts and bruises but survived; Gill was mortally wounded and died before getting to the hospital.