| Tail Number / N-Number | N5728 |
| Manufacturer | LENAGHEN RICHARD J |
| Model | VORTEX |
| Year Built | 1999 |
| Manufacturer's Serial Number | 069 |
| Aircraft Type | Rotorcraft |
| Category | Amphibian |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ROTAX |
| Engine Model | 582 |
| Engine Type | 2 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 65 hp (48 kW) |
| Kit Manufacturer | SPORT COPTER INC |
| Kit Model | VORTEX |
| Type of Registrant | LLC |
| Owner Name | OFF THE PLANET LLC |
| Street | 30 N GOULD ST STE R |
| City | SHERIDAN |
| State | WY |
| Zip Code | 82801-6317 |
| Region | Northwest Mountain |
| County | Sheridan County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1999-06-03 |
| Certificate Issue Date | 2019-09-27 |
| Last Action Date | 2022-05-04 |
| Expiration Date | 2029-09-30 |
| Status | Valid Registration |
| Mode S Code | 51654507 |
| Mode S Code Hex | A75947 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N5728.
| Tail Number / N-Number | N5728 |
| Manufacturer | CESSNA |
| Model | CH-1C |
| Manufacturer's Serial Number | 45528 |
| 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) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 84 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | CESSNA AIRCRAFT COMPANY |
| Street | MILITARY AIRCRAFT DIVISION PO BOX 1977 |
| City | WICHITA |
| State | KS |
| Zip Code | 67207 |
| Region | Central |
| County | Sheridan County |
| Last Status | Valid Registration |
| Cancellation Date | 1962-10-05 |