Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N1721Z.
| Tail Number / N-Number | N1721Z |
| Manufacturer | CESSNA |
| Model | 336 |
| Manufacturer's Serial Number | 336-0021 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 135 miles per hour |
| Type of Registrant | Individual |
| Owner Name | WILLIAMS DIESEL SERVICE |
| Street | HIGHWAY 70 WEST |
| City | WEST MEMPHIS |
| State | AR |
| Zip Code | 72301 |
| Region | Southwestern |
| Certificate Issue Date | 1974-06-26 |
| Last Status | Valid Registration |
| Cancellation Date | 1975-08-01 |
| Exported To | UNITED KINGDOM |
| Mode S Code | 50221456 |
| Mode S Code Hex | A1232E |