| Tail Number / N-Number | N91135 |
| Manufacturer | NORTH AMERICAN |
| Model | NAVION A |
| Year Built | 1946 |
| Manufacturer's Serial Number | NAV-4-29 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | E185 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 205 hp (153 kW) |
| Average Cruising Speed | 126 miles per hour |
| Type of Registrant | Individual |
| Owner Name | HAEFFNER DONALD L |
| Street | 8217 SAN DIEGO |
| City | ODESSA |
| State | TX |
| Zip Code | 79765 |
| Region | Southwestern |
| County | Ector County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Certificate Issue Date | 2016-11-10 |
| Last Action Date | 2022-08-11 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 53116501 |
| Mode S Code Hex | AC9D41 |