| Tail Number / N-Number | N5191K |
| Manufacturer | NAVION |
| Model | NAVION B |
| Year Built | 1950 |
| Manufacturer's Serial Number | NAV-4-2091B |
| 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 | GO-435C&D SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 260 hp (194 kW) |
| Average Cruising Speed | 126 miles per hour |
| Type of Registrant | Individual |
| Owner Name | MAILLOUX JACQUES M |
| Street | 2830 W 67TH PL |
| City | DENVER |
| State | CO |
| Zip Code | 80221-2226 |
| Region | Northwest Mountain |
| County | Denver County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1956-04-16 |
| Certificate Issue Date | 2017-02-14 |
| Last Action Date | 2022-10-01 |
| Expiration Date | 2030-02-28 |
| Status | Valid Registration |
| Mode S Code | 51502543 |
| Mode S Code Hex | A68563 |