Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N3973.
| Tail Number / N-Number | N3973 |
| Manufacturer | GILLMORE |
| Model | GEHRLEIN GP-1 |
| Manufacturer's Serial Number | 007 |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 0 engines |
| Average Cruising Speed | 60 miles per hour |
| Type of Registrant | Individual |
| Owner Name | GILLMORE NORMAN D |
| Street | 13501 INDIAN HOLLOW RD |
| City | GRAFTON |
| State | OH |
| Zip Code | 44044 |
| Country | US |
| Certificate Issue Date | 1974-06-19 |
| Last Action Date | 1991-04-12 |
| Last Status | Valid Registration |
| Cancellation Date | 1992-07-20 |
| Mode S Code | 51117613 |
| Mode S Code Hex | A49F8B |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N3973.
| Tail Number / N-Number | N3973 |
| Manufacturer | LINCOLN STANDARD AIRCRAFT CO |
| Model | J-1 |
| Year Built | 1918 |
| Manufacturer's Serial Number | 1303 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | RICHARDSON R E |
| Street | 1407 TAZEWELL AVE SE |
| City | ROANOKE |
| State | VA |
| Zip Code | 24013 |
| Region | Eastern |
| Certificate Issue Date | 1928-12-05 |
| Last Status | Valid Registration |
| Cancellation Date | 1930-06-23 |
| Mode S Code | 51117613 |
| Mode S Code Hex | A49F8B |