| Tail Number / N-Number | N3683K |
| Manufacturer | PIPER |
| Model | J3C-65 |
| Year Built | 1946 |
| Manufacturer's Serial Number | 22374 |
| 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 | C90 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 95 hp (71 kW) |
| Average Cruising Speed | 67 miles per hour |
| Type of Registrant | Partnership |
| Owner Name | TREWHITT DOUGLAS G |
| Other Names |
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| Street | 430 MOUNT HOLYOKE AVE |
| City | PACIFIC PALISADES |
| State | CA |
| Zip Code | 90272-4603 |
| Region | Western-Pacific |
| County | Los Angeles County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1956-06-09 |
| Certificate Issue Date | 2012-04-04 |
| Last Action Date | 2020-12-01 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 51026317 |
| Mode S Code Hex | A42CCF |