Aircraft in the foreground is A.C.29-16
525 hp Wright Cyclones
A.C.29-16 was converted to LB-7 May 1930, by replacing the 525 hp Wright Cyclones with 525 hp P&W R-1690-3s. It was written off due to a forced landing, June 19, 1930, 45 miles from Bluefield, Nicaragua due to running out of fuel.