Comparison of Agusta Westland VH-71A / US101 Marine One and Sikorsky SH-3 Sea King [S]ave
| Attribute |  Agusta Westland VH-71A / US101 Marine One × |  Sikorsky SH-3 Sea King × |
|---|---|---|
| General | ||
| Manufacturer | AgustaWestland | Sikorsky Helicopter |
| Model | Agusta Westland VH-71A / US101 Marine One | Sikorsky SH-3 Sea King |
| Country | United Kingdom | United States |
| Manufactured from (year) | 2005 | 1961 |
| Manufactured to (year) | 2009 | 1980 |
| Type | Military Helicopters | Military Helicopters |
| Icao | VH71 | S61 |
| Performance | ||
| Engine | 3x General Electric CT7-8E | 2x 2 × General Electric T58-GE-10 turboshafts |
| Power, hp (hp) | 2,520 | 1,400 |
| Avionics | Smiths Aerospace liquid crystal displays | AlliedSignal AQS-13 sonar |
| Max cruise speed (km/h) | 309 | 267 |
| Travel range (km) | 2,093 | 1,000 |
| Fuel economy (km/l) | 0.279 | 0.357 |
| Service ceiling (m) | 4,572 | 4,481 |
| Rate of climb (m/sec) | 10.16 | 11.18 |
| Weights | ||
| Max take off weight (kg) | 14,600 | 10,002 |
| Max payload (kg) | 5,443 | 3,630 |
| Fuel tank capacity (l) | 7,192 | 3,698 |
| Baggage volume (m³) | 3.5 | - |
| Dimensions | ||
| Seats | 3 | 3 |
| Cabin height (m) | 1.83 | - |
| Cabin width (m) | 2.49 | - |
| Cabin length (m) | 7.09 | - |
| Exterior length (m) | 22.81 | 16.7 |
| Tail height (m) | 6.62 | 5.13 |
| Fuselage diameter (m) | 2.7 | - |
| Wing span (m) | 18.59 | 19 |
| Wing tips | No Winglets | No Winglets |
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