Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N421F.
| Tail Number / N-Number | N421F |
| Manufacturer | BOLKOW |
| Model | PHOEBUS B-1 |
| Year Built | 1967 |
| Manufacturer's Serial Number | 756 |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | NONE |
| Engine Model | NONE |
| Number of Engines | 0 engines |
| Average Cruising Speed | 60 miles per hour |
| Type of Registrant | Individual |
| Owner Name | SMITH RODNEY L |
| Street | 5 GUARDIAN ANGEL LN |
| City | ALAMOGORDO |
| State | NM |
| Zip Code | 88310-9725 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1969-11-07 |
| Certificate Issue Date | 1991-12-18 |
| Last Action Date | 2008-11-18 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2018-01-19 |
| Mode S Code | 51177723 |
| Mode S Code Hex | A4FFD3 |