| Tail Number / N-Number | N3891L |
| Manufacturer | CESSNA |
| Model | 172G |
| Year Built | 1965 |
| Manufacturer's Serial Number | 17254060 |
| 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 | CONT MOTOR |
| Engine Model | 0-300 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 145 hp (108 kW) |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | Individual |
| Owner Name | WEISINGER ROY T |
| Street | PO BOX 926 |
| City | WEST COLUMBIA |
| State | TX |
| Zip Code | 77486 |
| Region | Southwestern |
| County | Brazoria County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Certificate Issue Date | 1977-07-08 |
| Last Action Date | 1977-07-09 |
| Status | Certificate of Registration has been revoked |
| Mode S Code | 51077477 |
| Mode S Code Hex | A47F3F |