| Tail Number / N-Number | N421MP |
| Manufacturer | CESSNA |
| Model | 525B |
| Manufacturer's Serial Number | 525B0328 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Engine Manufacturer | WILLIAMS |
| Engine Model | FJ44-3A |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 2,820 pounds-force (12.5 kN) |
| Total Thrust | 5,640 pounds-force (25.1 kN) |
| Type of Registrant | Co-Ownership |
| Owner Name | MALLARD HOLDINGS LLC |
| Other Names |
|
| Street | PO BOX 1200 |
| City | ROBINSON CREEK |
| State | KY |
| Zip Code | 41560-1200 |
| Region | Central |
| County | Pike County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2009-08-16 |
| Certificate Issue Date | 2011-05-16 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-05-31 |
| Status | Valid Registration |
| Mode S Code | 51200167 |
| Mode S Code Hex | A50077 |