| Tail Number / N-Number | N259S |
| Manufacturer | MARTIN |
| Model | 404 |
| Year Built | 1964 |
| Manufacturer's Serial Number | 14233 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 52 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 2 engines |
| Average Cruising Speed | 210 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | GLENN L MARTIN AVIATION MUSEUM INC |
| Street | PO BOX 5024 |
| City | MIDDLE RIVER |
| State | MD |
| Zip Code | 21220-0024 |
| Region | Eastern |
| County | Baltimore County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1964-09-25 |
| Certificate Issue Date | 2001-05-14 |
| Last Action Date | 2020-03-09 |
| Expiration Date | 2027-07-31 |
| Status | Valid Registration |
| Mode S Code | 50475175 |
| Mode S Code Hex | A27A7D |