| Tail Number / N-Number | N10598 |
| Type of Reservation | 2 year hold for canceled N-numbers |
| Reserving Party Name | CANCELLED/NOT ASSIGNED |
| Date Reserved | 2019-10-02 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N10598.
| Tail Number / N-Number | N10598 |
| Manufacturer | WILLETT ROTORWING |
| Model | HELIBIRD MARK 1 |
| Year Built | 1957 |
| Manufacturer's Serial Number | PAMA-1 |
| 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 | MCCULLOCH |
| Engine Model | 4318A&E/0-100 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 72 hp (54 kW) |
| Average Cruising Speed | 45 miles per hour |
| Type of Registrant | Individual |
| Owner Name | WILLETT JOHN III |
| Street | 127 MIAMI DR |
| City | SAN ANTONIO |
| State | TX |
| Zip Code | 78200 |
| Country | US |
| Airworthiness Classification | Experimental |
| Last Action Date | 1977-01-14 |
| Last Status | Revoked – Canceled |
| Cancellation Date | 2019-10-02 |