| Tail Number / N-Number | N636X |
| Manufacturer | MARTIN |
| Model | 404 |
| Year Built | 1952 |
| Manufacturer's Serial Number | 14135 |
| 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 | P & W |
| Engine Model | R-2800 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 2,000 hp (1,492 kW) |
| Total Horsepower | 4,000 hp (2,984 kW) |
| Average Cruising Speed | 210 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | PLANES OF FAME AIR MUSEUM |
| Street | 14998 CAL AERO DR |
| City | CHINO |
| State | CA |
| Zip Code | 91710-9056 |
| Region | Western-Pacific |
| County | San Bernardino County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1960-10-21 |
| Certificate Issue Date | 2008-09-25 |
| Last Action Date | 2020-12-18 |
| Expiration Date | 2028-05-31 |
| Status | Valid Registration |
| Mode S Code | 52053023 |
| Mode S Code Hex | A85613 |