| Tail Number / N-Number | N4173 |
| Manufacturer | MOONEY |
| Model | M-18C 55 |
| Year Built | 1955 |
| Manufacturer's Serial Number | 338 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | A&C65 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 65 hp (48 kW) |
| Average Cruising Speed | 103 miles per hour |
| Type of Registrant | Individual |
| Owner Name | BONE ROBERT |
| Street | 6620 LUDWIG CIR |
| City | FORT WAYNE |
| State | IN |
| Zip Code | 46825-4249 |
| Region | Great Lakes |
| County | Allen County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1956-06-29 |
| Certificate Issue Date | 1991-09-18 |
| Last Action Date | 2021-08-16 |
| Expiration Date | 2028-08-31 |
| Status | Valid Registration |
| Mode S Code | 51170342 |
| Mode S Code Hex | A4F0E2 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4173.
| Tail Number / N-Number | N4173 |
| Manufacturer | TRAVEL AIR MFG CO |
| Model | 2000 |
| Manufacturer's Serial Number | 345 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 79 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | WATSON AIRPORT INC |
| Street | GENERAL DELIVERY |
| City | BLUE ASH |
| State | OH |
| Zip Code | 45241 |
| Region | Great Lakes |
| County | Allen County |
| Certificate Issue Date | 1929-05-28 |
| Last Status | Valid Registration |
| Cancellation Date | 1929-11-19 |