| Tail Number / N-Number | N31957 |
| Manufacturer | GRUMMAN |
| Model | S2F-1 |
| Year Built | 1957 |
| Manufacturer's Serial Number | 133242 |
| 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) |
| Engine Manufacturer | WRIGHT |
| Engine Model | R-1820 SER |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 1,475 hp (1,100 kW) |
| Total Horsepower | 2,950 hp (2,201 kW) |
| Average Cruising Speed | 112 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | MARINE AVIATION MUSEUM INC |
| Street | 7535 IPSWICH RD |
| City | HOUSTON |
| State | TX |
| Zip Code | 77061 |
| Region | Southwestern |
| County | Harris County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1996-12-04 |
| Certificate Issue Date | 2021-03-19 |
| Last Action Date | 2021-03-19 |
| Expiration Date | 2028-03-31 |
| Status | Valid Registration |
| Mode S Code | 50665547 |
| Mode S Code Hex | A36B67 |