| Tail Number / N-Number | N124TD |
| Manufacturer | CALLAHAN TED F JR |
| Model | CALLAHAN NIEUPORT II |
| Year Built | 2005 |
| Manufacturer's Serial Number | 1093 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | SUBARU |
| Engine Model | ALL MDLS A/B |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 400 hp (298 kW) |
| Type of Registrant | Individual |
| Owner Name | CALLAHAN TED F JR |
| Street | 20011 EMERALD WAY |
| City | MAGNOLIA |
| State | TX |
| Zip Code | 77355-4947 |
| Region | Southwestern |
| County | Montgomery County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2005-08-16 |
| Certificate Issue Date | 2005-06-21 |
| Last Action Date | 2020-02-10 |
| Expiration Date | 2027-07-31 |
| Status | Valid Registration |
| Mode S Code | 50062073 |
| Mode S Code Hex | A0643B |