| Tail Number / N-Number | N23BK |
| Manufacturer | CESSNA |
| Model | 525 |
| Year Built | 1997 |
| Manufacturer's Serial Number | 525-0198 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | WILLIAMS |
| Engine Model | FJ 44 SERIES |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 1,900 pounds-force (8.5 kN) |
| Total Thrust | 3,800 pounds-force (16.9 kN) |
| Type of Registrant | Co-Ownership |
| Owner Name | POLAR STAR LLC |
| Other Names |
|
| Street | PO BOX 1144 |
| City | LA JOLLA |
| State | CA |
| Zip Code | 92038-1144 |
| Region | Western-Pacific |
| County | San Diego County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1997-06-25 |
| Certificate Issue Date | 2022-10-29 |
| Last Action Date | 2022-10-29 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 50403112 |
| Mode S Code Hex | A2064A |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N23BK.
| Tail Number / N-Number | N23BK |
| Manufacturer | KUHN ROBERT M |
| Model | SONERAI 2LT |
| Year Built | 1984 |
| Manufacturer's Serial Number | 1064 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | VOLKSWAGEN |
| Engine Model | CONVERSION |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 36 hp (27 kW) |
| Type of Registrant | Individual |
| Owner Name | KUHN ROBERT M |
| Street | 11251 BELLAIRE |
| City | WICHITA |
| State | KS |
| Zip Code | 67207 |
| County | San Diego County |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1985-07-11 |
| Certificate Issue Date | 1984-12-03 |
| Last Action Date | 1994-07-11 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2014-12-17 |