| Tail Number / N-Number | N21TK |
| Manufacturer | CESSNA |
| Model | 525 |
| Manufacturer's Serial Number | 525-0131 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | WILLIAMS |
| Engine Model | FJ 44 SERIES |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 1,900 pounds-force (8.5 kN) |
| Total Thrust | 3,800 pounds-force (16.9 kN) |
| Type of Registrant | LLC |
| Owner Name | MTK LEASING LLC |
| Street | PO BOX 1060 |
| City | WOODBURN |
| State | OR |
| Zip Code | 97071-1060 |
| Region | Northwest Mountain |
| County | Marion County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1996-03-31 |
| Certificate Issue Date | 2022-10-04 |
| Last Action Date | 2022-10-04 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 50334334 |
| Mode S Code Hex | A1B8DC |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N21TK.
| Tail Number / N-Number | N21TK |
| Manufacturer | SCHEMPP-HIRTH |
| Model | VENTUS-2B |
| Year Built | 1999 |
| Manufacturer's Serial Number | 87 |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | 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 |
| Type of Registrant | Individual |
| Owner Name | KREYCHE THOMAS H |
| Street | 1121 ORO WAY |
| City | GARDNERVILLE |
| State | NV |
| Zip Code | 89410-7530 |
| County | Marion County |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1999-08-04 |
| Certificate Issue Date | 1999-08-03 |
| Last Action Date | 2002-08-20 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2004-12-17 |
| Exported To | GERMANY |