| Tail Number / N-Number | N21FL |
| Manufacturer | MARGANSKI EDWARD |
| Model | MDM-1 FOX |
| Manufacturer's Serial Number | 202 |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 0 engines |
| Type of Registrant | Corporation |
| Owner Name | FLYING L AIRCRAFT INC |
| Street | 617 KIRBY THOMPSON RD |
| City | FORT DENAUD |
| State | FL |
| Zip Code | 33935-0549 |
| Region | Southern |
| County | Hendry County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2001-08-09 |
| Last Action Date | 2021-02-09 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 50333661 |
| Mode S Code Hex | A1B7B1 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N21FL.
| Tail Number / N-Number | N21FL |
| Manufacturer | AGUSTA SPA |
| Model | AGUSTA A109 |
| Manufacturer's Serial Number | 7309 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| County | Hendry County |
| Last Status | N-Number Assigned – but has not yet been registered |
| Cancellation Date | 1990-05-14 |