Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N21RN.
| Tail Number / N-Number | N21RN |
| Manufacturer | NUTT |
| Model | GYROCOPTER 1-A |
| Year Built | 1975 |
| Manufacturer's Serial Number | 10457691 |
| Aircraft Type | Rotorcraft |
| 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) |
| Engine Manufacturer | VOLKSWAGEN |
| Engine Model | CONVERSION |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 36 hp (27 kW) |
| Average Cruising Speed | 45 miles per hour |
| Type of Registrant | Individual |
| Owner Name | NUTT RAYMOND E JR |
| Street | 2716C APT 103 PARKWOOD PLACE APT |
| City | HUNTSVILLE |
| State | TX |
| Zip Code | 77340 |
| Country | US |
| Airworthiness Classification | Experimental |
| Certificate Issue Date | 1975-09-04 |
| Last Action Date | 1977-01-14 |
| Last Status | Revoked – Canceled |
| Cancellation Date | 2017-10-28 |
| Mode S Code | 50334255 |
| Mode S Code Hex | A1B8AD |