| Tail Number / N-Number | N4203X |
| Manufacturer | ROBINSON HELICOPTER COMPANY |
| Model | R44 II |
| Year Built | 2008 |
| Manufacturer's Serial Number | 12619 |
| Aircraft Type | Rotorcraft |
| 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 | IO-540-AE1A5 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 260 hp (194 kW) |
| Type of Registrant | Individual |
| Owner Name | REGISTRATION PENDING |
| Street | 18156 HIGHWAY 59 |
| City | MOUND CITY |
| State | MO |
| Zip Code | 64470-8006 |
| Region | Central |
| County | Holt County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2008-12-04 |
| Last Action Date | 2023-02-07 |
| Status | Registration pending |
| Mode S Code | 51177166 |
| Mode S Code Hex | A4FE76 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4203X.
| Tail Number / N-Number | N4203X |
| Manufacturer | AERO COMMANDER |
| Model | 100-180 |
| Year Built | 1971 |
| Manufacturer's Serial Number | 5203 |
| 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) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | Individual |
| Owner Name | ADDISON ROBERT M |
| Street | PO BOX 550 |
| City | FORT SUMNER |
| State | NM |
| Zip Code | 88119 |
| Region | Southwestern |
| County | Holt County |
| Certificate Issue Date | 1980-11-18 |
| Last Status | Valid Registration |
| Cancellation Date | 1983-11-18 |