Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N5021F.
| Tail Number / N-Number | N5021F |
| Manufacturer | STEWART FRANK B |
| Model | SONERAI II |
| Year Built | 1980 |
| Manufacturer's Serial Number | 532 |
| Aircraft Type | Fixed wing single engine |
| 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 | MENASCO |
| Engine Model | 0-45 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 22 hp (16 kW) |
| Type of Registrant | Individual |
| Owner Name | MORLAND GEORGE E |
| Street | 5 SPRUCE ST |
| City | CHELMSFORD |
| State | MA |
| Zip Code | 01824-1131 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1980-10-20 |
| Certificate Issue Date | 1988-09-12 |
| Last Action Date | 2009-08-18 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2013-03-20 |
| Mode S Code | 51441737 |
| Mode S Code Hex | A643DF |