Curtiss OX-5
from the collection of Tom Heitzman-stuffinder.com
This appears to be the aircraft in which Silas Christofferson lost his life in its crash of Oct 31, 1916. The following photo of the wreckage is from the Jan 1917 issue of Popular Mechanics.
More photo of the crash from a Christofferson photo album at the Hiller Aviation Museum, San Carlos, CA
The following note gives the cause of the accident as "lack of safety strap, and not being familiar with Nieuport control".
