Volume 5 #4 (1990)

This issue is out of print. It is listed for completeness.

COVER - Nieuport 28s Art (Jim Dietz), 95th Aero Squadron  
Obersteuermann Paul Puzicha Puzicha, Kurt (tr. Douglas Robinson)
Renumbering of the German Two-Seater Formations in Late 1916, Early 1917, The Anonymous
One Man's Photo Album Snyder, Charles
Ordeal of Harold Tittmann, The Robinson, Douglas
Fokker Triplane in Service, The Abbott, Dan-San
Eastern Front - War Eoisondes of Russian Aviation 1914-1917, The Blume, August
Colors: American Salmsons VanWyngarden, Greg
Between the Lines Streckfuss, James
Mentioned in Despatches Duiven, Richard
Between the Bookends Mallahan, Patrick
Taps Linneman, John