| Tail Number / N-Number | N518SJ |
| Manufacturer | ROBINSON HELICOPTER COMPANY |
| Model | R44 II |
| Year Built | 2006 |
| Manufacturer's Serial Number | 11466 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | IO-540-AE1A5 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 260 hp (194 kW) |
| Type of Registrant | LLC |
| Owner Name | WOODWARD AVIATION LLC |
| Street | PO BOX 1365 |
| City | ALPINE |
| State | TX |
| Zip Code | 79831-1365 |
| Region | Southwestern |
| County | Brewster County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2006-10-11 |
| Certificate Issue Date | 2017-05-17 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-05-31 |
| Status | Valid Registration |
| Mode S Code | 51500300 |
| Mode S Code Hex | A680C0 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N518SJ.
| Tail Number / N-Number | N518SJ |
| Manufacturer | PIEL EMERAUDE |
| Model | CP-301 |
| Manufacturer's Serial Number | 1162 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 85 miles per hour |
| Type of Registrant | Individual |
| Owner Name | COOLEY DENNIS |
| Street | 2231 LORD BARANOF DR |
| City | ANCHORAGE |
| State | AK |
| Zip Code | 99503 |
| Region | Alaskan |
| County | Brewster County |
| Certificate Issue Date | 1968-05-17 |
| Last Status | Valid Registration |
| Cancellation Date | 1984-12-04 |