| Tail Number / N-Number | N21DK |
| Manufacturer | KRUSIENSKI DANIEL P |
| Model | CASSUTT |
| Manufacturer's Serial Number | 003DK |
| 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) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | 0-200 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 100 hp (75 kW) |
| Type of Registrant | Individual |
| Owner Name | SIEGLER THOMAS M |
| Street | PO BOX 771311 |
| City | WICHITA |
| State | KS |
| Zip Code | 67277-1311 |
| Region | Central |
| County | Sedgwick County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1994-10-21 |
| Certificate Issue Date | 2019-08-08 |
| Last Action Date | 2022-07-31 |
| Expiration Date | 2029-08-31 |
| Status | Valid Registration |
| Mode S Code | 50333576 |
| Mode S Code Hex | A1B77E |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N21DK.
| Tail Number / N-Number | N21DK |
| Manufacturer | KING DONALD W |
| Model | VP 1 |
| Manufacturer's Serial Number | V11287DK |
| 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 |
| Type of Registrant | Individual |
| Owner Name | KING DONALD W |
| Street | 406 S 9 |
| City | PONCA CITY |
| State | OK |
| Zip Code | 74601 |
| County | Sedgwick County |
| Country | US |
| Certificate Issue Date | 1988-11-08 |
| Last Action Date | 1988-11-10 |
| Last Status | Valid Registration |
| Cancellation Date | 1991-08-01 |