| Tail Number / N-Number | N21NL |
| Manufacturer | BEECH |
| Model | A23A |
| Year Built | 1967 |
| Manufacturer's Serial Number | M-1044 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | IO-346-A |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 165 hp (123 kW) |
| Average Cruising Speed | 116 miles per hour |
| Type of Registrant | Individual |
| Owner Name | TOTMAN BROCK L |
| Street | 24 N CEDAR LAKE DR E |
| City | COLUMBIA |
| State | MO |
| Zip Code | 65203-7189 |
| Region | Central |
| County | Boone County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2019-04-23 |
| Certificate Issue Date | 2021-04-28 |
| Last Action Date | 2021-04-28 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 50334140 |
| Mode S Code Hex | A1B860 |