| Tail Number / N-Number | N321LB |
| Manufacturer | PIPER |
| Model | PA-31T2 |
| Year Built | 1981 |
| Manufacturer's Serial Number | 31T-8166012 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 10 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W CANADA |
| Engine Model | PT6A-60A |
| Engine Type | Turbo-prop |
| Number of Engines | 2 engines |
| Horsepower per Engine | 1,050 hp (783 kW) |
| Total Horsepower | 2,100 hp (1,567 kW) |
| Type of Registrant | LLC |
| Owner Name | SPEER TRANSPORT LLC |
| Street | 1660 N MAGNOLIA AVE |
| City | EL CAJON |
| State | CA |
| Zip Code | 92020-1288 |
| Region | Western-Pacific |
| County | San Diego County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1981-06-24 |
| Certificate Issue Date | 2021-09-13 |
| Last Action Date | 2021-09-13 |
| Expiration Date | 2028-09-30 |
| Status | Valid Registration |
| Mode S Code | 50671403 |
| Mode S Code Hex | A37303 |