| Model | Designation | Manufacturer | Engine(s) | Crew | Other |
|---|---|---|---|---|---|
| AG-1 | Christopher | cancelled | |||
| AG-2 | Timm | cancelled |
| Model | Designation | Manufacturer | Engine(s) | Crew | Other |
|---|---|---|---|---|---|
| XBG-1 | Fletcher | none | |||
| XBG-2 | Fletcher | cancelled | |||
| XBG-3 | Cornelius | cancelled |
| Model | Designation | Manufacturer | Engine(s) | Crew | Other |
|---|---|---|---|---|---|
| XCG-1 | Frankfort | none | cancelled | ||
| XCG-2 | Frankfort | none | cancelled | ||
| XCG-3 | Waco | none | 2 | ||
| CG-3A | Waco | none | 2 | ||
| XCG-4 | Hadrian | Waco | none | 2 | |
| CG-4A | Hadrian | Waco | none | 2 | XLRW-1, G-4A |
| XCG-4B | Hadrian | Timm | none | 2 | |
| XCG-5 | St. Louis | ||||
| XCG-6 | St. Louis | cancelled | |||
| XCG-7 | Bowlus/Douglas | 1 | |||
| XCG-8 | Bowlus/Douglas | ||||
| XCG-9 | AGA Aviation | cancelled | |||
| XCG-10 | Trojan Horse | Laister-Kauffman | none | ||
| XCG-10A | Trojan Horse | Laister-Kauffman | none | ||
| YCG-10A | Trojan Horse | Laister-Kauffman | none | ||
| XCG-11 | Snead | cancelled | |||
| XCG-12 | Read-York | cancelled | |||
| XCG-13 | Waco | none | 2 | ||
| XCG-13A | Waco | none | 2 | ||
| CG-13A | Waco | none | 2 | G-13A | |
| XCG-14 | Chase | none | 2 | ||
| XCG-14A | Chase | none | 2 | ||
| YCG-14A | Chase | none | 2 | ||
| XCG-14B | Chase | none | 2 | XCG-18A | |
| XCG-15 | Hadrian | Waco | none | 2 | |
| XCG-15A | Hadrian | Waco | none | 2 | |
| CG-15A | Hadrian | Waco | none | 2 | G-15A |
| XCG-16 | General Airborne Transport | none | 2 | cancelled | |
| XCG-17 | Douglas | none | 2 | C-47 Skytrain | |
| XCG-18A | Chase | none | 2 | XCG-14B | |
| CG-19 | Douglas | cancelled | |||
| XCG-20 | Chase | none | 3 | XC-123, XG-20 |
| Model | Designation | Manufacturer | Engine(s) | Crew | Other |
|---|---|---|---|---|---|
| XFG-1 | Cornelius | none | 1 |
| Model | Designation | Manufacturer | Engine(s) | Crew | Other |
|---|---|---|---|---|---|
| XPG-1 | Northwestern | 2 Franklin O-300 | 1 | ||
| XPG-2 | Ridgefield | 2 Ranger L-440-1 | 2 | ||
| PG-2A | Ridgefield | 2 Ranger L-440-7 | 2 | G-2A | |
| XPG-2B | Ridgefield | 2 Jacobs R-755-9 | 2 | cancelled | |
| XPG-3 | Waco | 2 Jacobs R-755-3 | 2 | G-3 | |
| XPG-3A | Waco | 2 Jacobs R-755-3 | 2 |
| Model | Designation | Manufacturer | Engine(s) | Crew | Other |
|---|---|---|---|---|---|
| XTG-1 | Frankfort | none | 2 | ||
| TG-1A | Frankfort | none | 2 | ||
| TG-1B | Frankfort | none | 2 | ||
| TG-1C | Frankfort | none | 2 | ||
| TG-1D | Frankfort | none | 2 | ||
| TG-2 | Schweizer | none | 2 | LNS-1 | |
| XTG-3 | Schweizer | none | 2 | ||
| TG-3A | Schweizer | none | 2 | ||
| XTG-4 | Laister-Kauffman | none | 2 | ||
| TG-4 | Laister-Kauffman | none | 2 | ||
| TG-4A | Laister-Kauffman | none | 2 | ||
| TG-4B | Laister-Kauffman | none | 2 | ||
| TG-5 | Grasshopper | Aeronca | none | 3 | XLNR-1 |
| TG-6 | Grasshopper | Taylorcraft | none | 3 | XLNT-1 |
| XTG-7 | Orlik | SZD (Szybowcowy Zaklad Doswiadczalny) | none | 1 | |
| TG-8 | Piper | none | 3 | XLNP-1 | |
| TG-9 | Breigleb | none | 1 | ||
| TG-10 | Wichita Engineering | ||||
| TG-11 | Schempger | ||||
| XTG-12 | Bowlus | none | |||
| XTG-13 | Briegleb | none | |||
| TG-14 | Stiglemeier | ||||
| TG-15 | Franklin | ||||
| TG-16 | A.B.C. | none | 1 | ||
| TG-17 | Franklin | ||||
| TG-18 | Midwest | none | 1 | ||
| TG-19 | Schweyer | none | 1 | ||
| TG-20 | Laister-Kauffman | ||||
| TG-21 | Notre Dame | ||||
| TG-22 | Melrose | ||||
| TG-23 | Harper-Corcoran | ||||
| TG-24 | Bowlus-Dupont | ||||
| TG-25 | Plover | ||||
| TG-26 | Universal | ||||
| TG-27 | Grunau | ||||
| TG-28 | Haller | ||||
| TG-29 | Volmer Jensen | ||||
| TG-30 | Bluebird | Smith | |||
| TG-31 | Aero Industries | none | |||
| TG-32 | Pratt-Read | none | 2 | LNE-1 | |
| TG-33 | Aeronca | none |
| Model | Designation | Manufacturer | Engine(s) | Crew | Other |
|---|---|---|---|---|---|
| G-2A | Ridgefield | 2 Ranger L-440-7 | 2 | PG-2A | |
| G-3 | Waco | 2 Jacobs R-755-3 | 2 | XPG-3 | |
| G-4A | Hadrian | Waco | none | 2 | CG-4A |
| G-4C | Hadrian | Waco | none | 2 | |
| G-13A | Waco | none | 2 | CG-13A | |
| G-14 | Chase | none | 2 | ||
| G-15A | Hadrian | Waco | none | 2 | CG-15A |
| XG-18A | Chase | none | 2 | ||
| XG-20 | Chase | none | 3 | XC-123, XCG-20 |
| Model | Designation | Manufacturer | Engine(s) | Crew | Other |
|---|---|---|---|---|---|
| TG-1A | Schweizer | none | 2 | ||
| TG-2A | Schweizer | none | 2 | ||
| TG-3A | Schweizer | none | 1 | ||
| TG-3B | Schweizer | none | 1 | ||
| TG-4A | Schweizer | none | 2 | ||
| TG-5A | Schweizer | none | 2 | ||
| TG-6A | Schweizer | none | 1 | ||
| TG-7A | Schweizer | 1 Lycoming O-235 | 2 | ||
| RG-8A | Condor | Schweizer | 1 Lycoming O-235 | 2 | |
| TG-9A | Schleicher | none | 2 | ||
| TG-10A | Let Flugzeugwerke | none | |||
| TG-10B | Let Flugzeugwerke | none | 2 | ||
| TG-10C | Let Flugzeugwerke | none | 2 | ||
| TG-10D | Let Flugzeugwerke | none | 1 | ||
| TG-11A | Stemme GmbH | 1 Limbach L2400 EB1.AD | 2 | ||
| TG-12A | Caproni Vizzola | none | 2 | ||
| TG-14A | Grupo Aeromot | 1 Rotax 912A | 2 | ||
| TG-15A | Schempp-Hirth | none | 2 | ||
| TG-15B | Schempp-Hirth | none | 1 | ||
| TG-16A | DG Flugzeugbau | 1 Solo 2350C | 2 |