- Breguet´s Aircraft ID Challenge #390
- Sopewith Pup serial numbers
- DH2 armed with Vickers?
- German aircraft materials
- Park Bench ailerons
- Curtiss H12 'Large America' Flying Boat
- Photographs related to WWI US Air Service
- When Did the SE5a Become Operarational?
- Breguet´s Aircraft ID Challenge #389
- Breguet's Crash File #213
- Info For Sigma Propeller Decal Needed
- Plane vs U-Boat off Beachy Head - July 1917
- Breguet's Crashfile Challenge #212
- Gotha G.V Rigging
- Breguet's Crash File Challenge #211
- Breguet's Crashfile Challenge # 210
- DH2 metal colours
- Bomb inquiry
- Nieuport 17 Armament Help
- Breguet's Crash File Challenge #209
- Aircraft unit and Pilot ID?
- Decommissioned planes, especially the SE5a
- Hansa Brandenburg DI
- Breguet´s Aircraft ID Challenge #388
- Junkers D1 CL1
- Climbing and turning: Ranking the famous fighters?
- Albatros DIII (OEF) axle fairings
- Breguet 's crash file challenge #208
- Hannover Cl IIIa
- Breguet's Aircraft ID Challenge # 387
- Which Fighter Would You Have Flown?
- BREGUET's CRASH FILE CHALLENGE #207
- Renault 80 hp and RAF 1a, A Structural Comparison and a Question
- Breguet's aircraft id challenge #386
- The Flying Fisch
- Richthofen's Alb 2253
- Breguet's aircraft id challenge #385
- Different flying characteristics Spad XIII vs SE5a
- Breguet's Aircraft Challenge # 384
- Shot Down Spad XI
- Breguet's Crash File # 206
- Rhinebeck Mercedes Serial Number
- Breguet XIV Question
- Breguet's aircraft ID challenge #383
- Breguet's Aircraft Challenge # 382
- Friedrichshafen G.I - FF.30 or FF.36?
- German Constant speed props
- Breguet's Aircraft ID Challenge # 381
- Morane-Saulnier Biplane Trainers
- Staaken Night Lozenge and Naval Hex