| | N5448 | Private | Unallocated | -0001 | Unallocated frame, notes 'Hineman George/Johnson E F MODEL S FREE BALLOON', if known please update accordingly |
| | N275 | Private | Unallocated | -0001 | Unallocated frame, notes 'Crusader I', if known please update accordingly |
| | N10486 | Private | Unallocated | -0001 | Unallocated frame, notes 'Joyce DRAKE', if known please update accordingly |
| | N4715S | Private | Unallocated | -0001 | Unallocated frame, notes 'Cowley Edward L COWLEY 503', if known please update accordingly |
| | N12511 | Private | Unallocated | -0001 | Unallocated frame, notes 'Davidson-Knoll Aircraft Co DAVIDSON-KNOLL Z', if known please update accordingly |
| | N14149 | Private | Unallocated | 1935 | Unallocated frame, notes 'Clinger W R CL1', if known please update accordingly |
| | N10677 | Private | Unallocated | 1937 | Unallocated frame, notes 'Lansing Aircraft LANSING I-T', if known please update accordingly |
| | N1302 | Private | Unallocated | 1939 | Unallocated frame, notes 'Trimmer Gilbert/Purchase Louis T-2', if known please update accordingly |
| | N15754 | Private | Unallocated | 1940 | Unallocated frame, notes 'Prentice Alfred James Aero-MARINE', if known please update accordingly |
| | N4950E | Private | Unallocated | 1959 | Unallocated frame, notes 'Auger AUGER N TWIN', if known please update accordingly |
| | N94290 | Private | Unallocated | 1964 | Unallocated frame, notes 'Roberts AQUA GLIDER', if known please update accordingly |
| | N6885 | Private | Unallocated | 1972 | Unallocated frame, notes 'Fisher EF-1 ', if known please update accordingly |
| | N1656 | Private | Unallocated | 1973 | Unallocated frame, notes 'Bruckner-Loisar MODEL # 1 ', if known please update accordingly |
| | N447 | Private | Unallocated | 1974 | Unallocated frame, notes 'Humphries BWB PARAWING', if known please update accordingly |
| | N4922E | Private | Unallocated | 1984 | Unallocated frame, notes 'Valdez Arthur L TIGER CUB 400', if known please update accordingly |
| | N4831N | Private | Unallocated | 1984 | Unallocated frame, notes 'Vickers Henry HCV-110', if known please update accordingly |
| | N8475 | Private | Unallocated | 1988 | Unallocated frame, notes 'Storland VIKING SV-1', if known please update accordingly |
| | N1730H | Private | Unallocated | 1994 | Unallocated frame, notes 'Johnson A-4', if known please update accordingly |
| | N5719 | Private | Unallocated | 1995 | Unallocated frame, notes 'Homebuilt ORMAND PARASOL', if known please update accordingly. Owner/Operator Rhinebeck Aerodrome Museum |
| | N976DA | Private | Unallocated | 1998 | Unallocated frame, notes 'Derringer Aircraft Co Llc D-1', if known please update accordingly |
| | N603GE | Private | Unallocated | 2016 | Unallocated frame, notes 'Fugman George W BI-PLANE', if known please update accordingly |
| | N422K | Private | Unallocated | 2020 | Unallocated frame, notes 'Homebuilt HARTLINE Kitfox III ', if known please update accordingly. Owner/Operator Kidd Robert Lee |
| | N25607 | Private | Unallocated | 2021 | Unallocated frame, notes 'Homebuilt 446', if known please update accordingly. Owner/Operator American Aviation Heritage Foundation |