Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N3998B.
| Tail Number / N-Number | N3998B |
| Manufacturer | BOEING |
| Model | E75 |
| Year Built | 1942 |
| Manufacturer's Serial Number | 75-5292 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W |
| Engine Model | R-985 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 450 hp (336 kW) |
| Average Cruising Speed | 93 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | MISSISSIPPI AGRI & FOREST MUS FDN |
| Street | P O BOX 1609 |
| City | JACKSON |
| State | MS |
| Zip Code | 39205 |
| Country | US |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 1956-02-18 |
| Certificate Issue Date | 1982-03-10 |
| Last Action Date | 2009-01-20 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2012-11-15 |
| Mode S Code | 51123652 |
| Mode S Code Hex | A4A7AA |