Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N3721B.
| Tail Number / N-Number | N3721B |
| Manufacturer | BEECH |
| Model | E18S |
| Manufacturer's Serial Number | BA-49 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 10 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 165 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | QUARNSTROM LAND CO |
| Street | 415 BURNS DR |
| City | DETROIT |
| State | MI |
| Zip Code | 48033 |
| Region | Great Lakes |
| Certificate Issue Date | 1963-09-19 |
| Last Status | Valid Registration |
| Cancellation Date | 1970-06-29 |
| Mode S Code | 51036666 |
| Mode S Code Hex | A43DB6 |