| Tail Number / N-Number | N18999 |
| Manufacturer | PIPER |
| Model | J3C-65 |
| Manufacturer's Serial Number | 2730 |
| 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 | IO-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 150 hp (112 kW) |
| Average Cruising Speed | 67 miles per hour |
| Type of Registrant | LLC |
| Owner Name | CUB AIR LLC |
| Street | PO BOX 182 |
| City | BARRINGTON |
| State | IL |
| Zip Code | 60011-0182 |
| Region | Great Lakes |
| County | Lake County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1958-06-23 |
| Certificate Issue Date | 2019-07-29 |
| Last Action Date | 2022-02-16 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 50262720 |
| Mode S Code Hex | A165D0 |