[2] They were badly hampered by the choice of engine, and attempts to cure the problems with subsequent designs were not successful.

Intended as a fighter, 100 served as advanced trainers,[2] about half with a provision for fitting machineguns, as the M-Defense.

[2] In 1918 the corporation had a large factory and airfield at Bayway,[3] near the Elizabeth and Linden boundary.

[4] It was here that they assembled and tested 107 Handley Page O/400 bombers during 1918, mostly for shipment to Britain.

A plan to fly them across the Atlantic was abandoned, and a further contract for 1,000 more O/400s was cancelled with the end of World War I.