| Tail Number / N-Number | N91MX |
| Manufacturer | TL-ULTRALIGHT S R O |
| Model | TL 2000 STING S4 |
| Year Built | 2015 |
| Manufacturer's Serial Number | 15 ST 435 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Light Sport |
| 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) |
| Type of Registrant | LLC |
| Owner Name | N91MX LLC |
| Street | 816 NORTH ST APT 36 |
| City | LITTLE ROCK |
| State | AR |
| Zip Code | 72201-1343 |
| Region | Southwestern |
| County | Pulaski County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Light Sport |
| Airworthiness Date | 2015-07-29 |
| Certificate Issue Date | 2020-05-06 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-05-31 |
| Status | Valid Registration |
| Mode S Code | 53112573 |
| Mode S Code Hex | AC957B |