| Tail Number / N-Number | N999EM |
| Manufacturer | BEECH |
| Model | 23 |
| Year Built | 1964 |
| Manufacturer's Serial Number | M-552 |
| 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 | LYCOMING |
| Engine Model | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 113 miles per hour |
| Type of Registrant | LLC |
| Owner Name | OOMBU LLC |
| Street | 110N N INTERSTATE 35 STE 315-168 |
| City | ROUND ROCK |
| State | TX |
| Zip Code | 78681 |
| Region | Southwestern |
| County | Williamson County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1964-05-18 |
| Certificate Issue Date | 2019-10-15 |
| Last Action Date | 2022-09-19 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 53372202 |
| Mode S Code Hex | ADF482 |