| Tail Number / N-Number | N725MK |
| Manufacturer | LOCKHEED |
| Model | 1329-23E |
| Year Built | 1968 |
| Manufacturer's Serial Number | 5123 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 12 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | P & W |
| Engine Model | JT12A-6 6A |
| Engine Type | Turbo-jet |
| Number of Engines | 4 engines |
| Thrust per Engine | 3,000 pounds-force (13.3 kN) |
| Total Thrust | 12,000 pounds-force (53.4 kN) |
| Type of Registrant | Corporation |
| Owner Name | KEN SALE RESOURCES INC |
| Street | 3425 RALSTON AVE |
| City | HILLSBOROUGH |
| State | CA |
| Zip Code | 94010-6729 |
| Region | Western-Pacific |
| County | San Mateo County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1968-09-30 |
| Certificate Issue Date | 2007-02-20 |
| Last Action Date | 2022-05-04 |
| Expiration Date | 2029-08-31 |
| Status | Valid Registration |
| Mode S Code | 52333474 |
| Mode S Code Hex | A9B73C |