Boeing E-3 Sentry vs B-2 Spirit
Top speed, range, size and history side by side. Each was built for its own job, so this shows how they differ, not which is better.
The B-2 Spirit is faster: 1,010 km/h against 855 km/h for the Boeing E-3 Sentry. The B-2 Spirit flies further: 11,100 km against 7,400 km for the Boeing E-3 Sentry. The B-2 Spirit has the wider wingspan: 52.4 m against 44.4 m for the Boeing E-3 Sentry. The B-2 Spirit is heavier at takeoff: 171 tonnes against 147 tonnes for the Boeing E-3 Sentry. The Boeing E-3 Sentry first flew in 1975, 14 years before the B-2 Spirit (1989).
| Boeing E-3 Sentry | B-2 Spirit |
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| Top speed | 855 km/h (531 mph) | 1,010 km/h (628 mph) |
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| Range | 7,400 km (4,598 miles) | 11,100 km (6,897 miles) |
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| Length | 46.6 m (153 ft) | 21 m (69 ft) |
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| Wingspan | 44.4 m (146 ft) | 52.4 m (172 ft) |
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| Max takeoff weight | 147 t (324,958 lb) | 171 t (376,105 lb) |
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| First flight | 1975 | 1989 |
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| Crew and capacity | 4 flight crew, 13 to 19 radar crew | 2 crew |
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| Engines | 4 × Pratt & Whitney TF33 turbofan | 4 × F118 turbofan |
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| Built by | Boeing | Northrop Grumman |
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| Country | USA | USA |
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