Comparison of Boeing 747 Supertanker and Boeing C-17 Globemaster III [S]ave
| Attribute |  Boeing 747 Supertanker × |  Boeing C-17 Globemaster III × |
|---|---|---|
| General | ||
| Manufacturer | Boeing | Boeing |
| Model | Boeing 747 Supertanker | Boeing C-17 Globemaster III |
| Country | United States | United States |
| Manufactured from (year) | 2006 | 1991 |
| Manufactured to (year) | - | 2015 |
| Type | Aerial Firefighting | Military Transport Planes |
| Icao | GST | C17 |
| Performance | ||
| Engine | 4x GE CF6-50E2 | 4x Pratt & Whitney F117-PW-100 |
| Power, lbf (lbf) | 54,750 | 40,440 |
| Avionics | - | BAE Systems Avionics , AlliedSignal AN/APS-133(V) weather and mapping radar |
| Max cruise speed (km/h) | 963 | 833 |
| Approach speed (km/h) | 261 | 213 |
| Travel range (km) | 10,519 | 4,482 |
| Fuel economy (km/l) | - | 0.034 |
| Service ceiling (m) | 10,668 | 13,716 |
| Rate of climb (m/sec) | 5.08 | 7.62 |
| Take off distance (m) | 2,400 | 2,316 |
| Landing distance (m) | 1,870 | 914 |
| Weights | ||
| Max take off weight (kg) | 377,842 | 265,352 |
| Max landing weight (kg) | 255,826 | 202,721 |
| Max payload (kg) | 139,000 | 77,520 |
| Fuel tank capacity (l) | 204,355 | 134,556 |
| Baggage volume (m³) | 74 | 591.8 |
| Dimensions | ||
| Seats | 4 | 12 |
| Cabin height (m) | - | 4.5 |
| Cabin width (m) | - | 5.49 |
| Cabin length (m) | - | 26.82 |
| Exterior length (m) | 70.7 | 53 |
| Tail height (m) | 19.6 | 16.79 |
| Fuselage diameter (m) | 6.5 | 6.86 |
| Wing span (m) | 59.6 | 51.75 |
| Wing tips | No Winglets | Canted Winglets |
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