| Tail Number / N-Number | N423SK |
| Manufacturer | LOCKHEED |
| Model | P3B |
| Manufacturer's Serial Number | LC-5220 |
| 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) |
| Number of Engines | 4 engines |
| Type of Registrant | Government |
| Owner Name | UNITED STATES CUSTOMS AND BORDER PROTECTION |
| Other Names |
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| Street | 845 1ST ST SE |
| City | CORPUS CHRISTI |
| State | TX |
| Zip Code | 78419-5210 |
| Region | Southwestern |
| County | Nueces County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2011-04-13 |
| Last Action Date | 2022-11-16 |
| Expiration Date | 2030-04-30 |
| Status | Valid Registration |
| Mode S Code | 51204136 |
| Mode S Code Hex | A5085E |