| Tail Number / N-Number | N1921 |
| Manufacturer | ROSZEL STEPHEN S |
| Model | RV-6 |
| Year Built | 1993 |
| Manufacturer's Serial Number | 20580 |
| 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) |
| Engine Manufacturer | LYCOMING |
| Engine Model | O&VO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Individual |
| Owner Name | KOONS ZACHARY K |
| Street | 12237 WASHINGTON RD |
| City | CLINTON |
| State | IL |
| Zip Code | 61727-9142 |
| Region | Great Lakes |
| County | De Witt County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1993-02-22 |
| Certificate Issue Date | 2019-01-29 |
| Last Action Date | 2021-10-07 |
| Expiration Date | 2029-01-31 |
| Status | Valid Registration |
| Mode S Code | 50271024 |
| Mode S Code Hex | A17214 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N1921.
| Tail Number / N-Number | N1921 |
| Manufacturer | MCBEE-PITTS SPECIAL |
| Model | S-1C |
| Year Built | 1968 |
| Manufacturer's Serial Number | PS-S-1C-RM |
| Aircraft Type | Fixed wing single engine |
| 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 | 1 engine |
| Average Cruising Speed | 108 miles per hour |
| Type of Registrant | Individual |
| Owner Name | MCBEE RICHARD B |
| Street | 8341 HART ST |
| City | RESEDA |
| State | CA |
| Zip Code | 91335 |
| Region | Western-Pacific |
| County | De Witt County |
| Country | US |
| Certificate Issue Date | 1969-08-21 |
| Last Status | Valid Registration |
| Cancellation Date | 1973-10-15 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N1921.
| Tail Number / N-Number | N1921 |
| Manufacturer | FAIRCHILD AIRPLANE MFG CORP |
| Model | FC-2 |
| Manufacturer's Serial Number | 22 |
| Aircraft Type | Fixed wing single engine |
| Category | Amphibian |
| Builder Certification | Type Certificated |
| Number of Seats | 7 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 | DANIEL FRANKLIN |
| Street | GENERAL DELIVERY |
| City | ONEONTA |
| State | NY |
| Zip Code | 13820 |
| Region | Eastern |
| County | De Witt County |
| Certificate Issue Date | 1927-10-07 |
| Last Status | Valid Registration |