| Tail Number / N-Number | N3521T |
| Manufacturer | BELL |
| Model | 206B |
| Year Built | 1979 |
| Manufacturer's Serial Number | 2703 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ALLISON |
| Engine Model | 250-C20 SER |
| Engine Type | Turbo-prop |
| Number of Engines | 1 engine |
| Horsepower | 420 hp (313 kW) |
| Average Cruising Speed | 112 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | MBM AVIATION CONSULTANTS INC |
| Street | 2801 CENTERVILLE RD PMB 8179 |
| City | WILMINGTON |
| State | DE |
| Zip Code | 19808-1609 |
| Region | Eastern |
| County | New Castle County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Multiple |
| Airworthiness Date | 1993-03-26 |
| Certificate Issue Date | 2012-07-17 |
| Last Action Date | 2021-03-17 |
| Expiration Date | 2028-07-31 |
| Status | Valid Registration |
| Mode S Code | 50767310 |
| Mode S Code Hex | A3EEC8 |