| Tail Number / N-Number | N4911X |
| Manufacturer | ROBINSON HELICOPTER |
| Model | R44 |
| Year Built | 2006 |
| Manufacturer's Serial Number | 1675 |
| 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 | O-540-F1B5 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 260 hp (194 kW) |
| Type of Registrant | LLC |
| Owner Name | LAKE SUPERIOR HELICOPTERS LLC |
| Street | PO BOX 15035 |
| City | DULUTH |
| State | MN |
| Zip Code | 55815-0035 |
| Region | Great Lakes |
| County | St. Louis County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2006-12-13 |
| Certificate Issue Date | 2012-07-25 |
| Last Action Date | 2021-02-22 |
| Expiration Date | 2028-07-31 |
| Status | Valid Registration |
| Mode S Code | 51413140 |
| Mode S Code Hex | A61660 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4911X.
| Tail Number / N-Number | N4911X |
| Manufacturer | ROCKWELL INTERNATIONAL |
| Model | S-2R |
| Manufacturer's Serial Number | 2101R |
| 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) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 82 miles per hour |
| County | St. Louis County |
| Last Status | N-Number Assigned – but has not yet been registered |
| Cancellation Date | 1988-05-04 |