| Tail Number / N-Number | N521EA |
| Manufacturer | CHRISTOPHER LORD |
| Model | ELA 07 |
| Year Built | 2017 |
| Manufacturer's Serial Number | 10144210712 |
| Aircraft Type | Rotorcraft |
| 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) |
| Engine Manufacturer | ROTAX |
| Engine Model | 912ULS SERIES |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 100 hp (75 kW) |
| Kit Manufacturer | ELA AVIACION |
| Kit Model | ELA 07 |
| Type of Registrant | LLC |
| Owner Name | FIREFLY AVIATION LLC |
| Street | 113 E 2ND CT |
| City | GREENVILLE |
| State | FL |
| Zip Code | 32331-5132 |
| Region | Southern |
| County | Madison County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2017-07-13 |
| Certificate Issue Date | 2019-03-07 |
| Last Action Date | 2021-10-13 |
| Expiration Date | 2029-03-31 |
| Status | Valid Registration |
| Mode S Code | 51506412 |
| Mode S Code Hex | A68D0A |