Hughes H-4 Hercules
| Type: | Flying Boat |
| Role: | Strategic Airlift |
| Top speed: | 250 mph / 407.98 kph |
| Service Ceiling: | 20,900' / 6,370 m |
| Range: | 3,000 mi / 4,800 km |
| Weight: | 250,000 lbs / 113,399 kg |
| Wingspan: | 320′ 11″ / 97.54 m |
| Length: | 218′ 8″ / 66.65 m |
| Height: | 79' 4″ / 24.18 m |
| Power: | 8 3000 hp Pratt & Whitney R-4360 Wasp Major Radial Engines |
| Crew: | 3 |
| Designer(s): | Howard Hughes and Henry J. Kaiser |
| Manufacturer: | Hughes Aircraft |
| Number Manufactured: | 1 |
| Country of Origin: | United States |
| First Flight: | November 2, 1947 |
| Retired: | November 3, 1947 |