| Tail Number / N-Number | N3940Z |
| Manufacturer | PIPER |
| Model | PA-18-150 |
| Year Built | 1963 |
| Manufacturer's Serial Number | 18-7786 |
| 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 | 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 | Partnership |
| Owner Name | GRASSER EDWARD K |
| Other Names |
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| Street | PO BOX 2193 |
| City | PALMER |
| State | AK |
| Zip Code | 99645-2193 |
| Region | Alaskan |
| County | Matanuska-Susitna Borough |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1962-02-09 |
| Certificate Issue Date | 2001-10-30 |
| Last Action Date | 2021-02-20 |
| Expiration Date | 2028-07-31 |
| Status | Valid Registration |
| Mode S Code | 51112025 |
| Mode S Code Hex | A49415 |