| Tail Number / N-Number | N234CG |
| Manufacturer | GREMBOWICZ CONRAD G |
| Model | CHALLENGER II |
| Year Built | 1997 |
| Manufacturer's Serial Number | 001 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Light Sport |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ROTAX |
| Engine Model | 503 DCDI |
| Engine Type | 2 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 52 hp (39 kW) |
| Type of Registrant | Individual |
| Owner Name | GREMBOWICZ CONRAD G |
| Street | 3410 N EL VISTA AVE |
| City | PEORIA |
| State | IL |
| Zip Code | 61604-1219 |
| Region | Great Lakes |
| County | Peoria County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2008-01-14 |
| Certificate Issue Date | 2007-06-14 |
| Last Action Date | 2020-02-24 |
| Expiration Date | 2027-07-31 |
| Status | Valid Registration |
| Mode S Code | 50413625 |
| Mode S Code Hex | A21795 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N234CG.
| Tail Number / N-Number | N234CG |
| Manufacturer | CESSNA |
| Model | 421C |
| Manufacturer's Serial Number | 421C0267 |
| 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) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | METRO REDEVELOPMENT INC |
| Street | 11590 W DODGE RD |
| City | OMAHA |
| State | NE |
| Zip Code | 68154-2537 |
| County | Peoria County |
| Country | US |
| Certificate Issue Date | 1997-08-15 |
| Last Action Date | 1997-08-18 |
| Last Status | Valid Registration |
| Cancellation Date | 2000-05-01 |