| Tail Number / N-Number | N81551 |
| Manufacturer | AERONCA |
| Model | 7AC |
| Year Built | 1945 |
| Manufacturer's Serial Number | 7AC-170 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| 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 | 90 miles per hour |
| Type of Registrant | Partnership |
| Owner Name | GUSTAFSON DALE H |
| Other Names |
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| Street | 4919 OTTER PEAK DR |
| City | KINGWOOD |
| State | TX |
| Zip Code | 77345-1072 |
| Region | Southwestern |
| County | Harris County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1956-03-03 |
| Certificate Issue Date | 1996-10-15 |
| Last Action Date | 2021-04-09 |
| Expiration Date | 2028-08-31 |
| Status | Valid Registration |
| Mode S Code | 52617420 |
| Mode S Code Hex | AB1F10 |