| Tail Number / N-Number | N9789D |
| Manufacturer | PIPER |
| Model | PA-18A 150 |
| Year Built | 1959 |
| Manufacturer's Serial Number | 18-6861 |
| 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 | LYCOMING |
| Engine Model | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 97 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | STEWART JONAH M |
| Other Names |
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| Street | PO BOX 877896 |
| City | WASILLA |
| State | AK |
| Zip Code | 99687-7896 |
| Region | Alaskan |
| County | Matanuska-Susitna Borough |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Multiple |
| Airworthiness Date | 1959-12-16 |
| Certificate Issue Date | 2019-05-10 |
| Last Action Date | 2022-05-05 |
| Expiration Date | 2029-05-31 |
| Status | Valid Registration |
| Mode S Code | 53322364 |
| Mode S Code Hex | ADA4F4 |