| Tail Number / N-Number | N398BB |
| Manufacturer | BEECH |
| Model | 400 |
| Year Built | 1988 |
| Manufacturer's Serial Number | RJ-39 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 9 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Engine Manufacturer | P&W CANADA |
| Engine Model | JT15D 5 SER |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 2,900 pounds-force (12.9 kN) |
| Total Thrust | 5,800 pounds-force (25.8 kN) |
| Type of Registrant | LLC |
| Owner Name | N919CS LLC |
| Street | 1 BRETWOOD DR N |
| City | COLTS NECK |
| State | NJ |
| Zip Code | 07722-2404 |
| Region | Eastern |
| County | Monmouth County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1988-04-01 |
| Certificate Issue Date | 2022-12-08 |
| Last Action Date | 2022-12-08 |
| Expiration Date | 2029-12-31 |
| Status | Valid Registration |
| Mode S Code | 51120234 |
| Mode S Code Hex | A4A09C |