Aero Spacelines Super Guppy vs McDonnell Douglas YC-15
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 McDonnell Douglas YC-15 is faster: 861 km/h against 463 km/h for the Aero Spacelines Super Guppy. The McDonnell Douglas YC-15 flies further: 3,689 km against 3,211 km for the Aero Spacelines Super Guppy. The Aero Spacelines Super Guppy has the wider wingspan: 47.6 m against 33.6 m for the McDonnell Douglas YC-15. The McDonnell Douglas YC-15 is heavier at takeoff: 99 tonnes against 77 tonnes for the Aero Spacelines Super Guppy. The Aero Spacelines Super Guppy first flew in 1965, 10 years before the McDonnell Douglas YC-15 (1975).
| Aero Spacelines Super Guppy | McDonnell Douglas YC-15 |
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| Top speed | 463 km/h (288 mph) | 861 km/h (535 mph) |
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| Range | 3,211 km (1,995 miles) | 3,689 km (2,292 miles) |
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| Length | 43.8 m (144 ft) | 37.9 m (124 ft) |
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| Wingspan | 47.6 m (156 ft) | 33.6 m (110 ft) |
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| Max takeoff weight | 77 t (169,975 lb) | 99 t (219,137 lb) |
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| First flight | 1965 | 1975 |
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| Crew and capacity | 24.7 t payload | About 12 t of cargo from short runways |
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| Engines | 4 × T56 turboprop | 4 × Pratt & Whitney JT8D turbofan |
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| Built by | Aero Spacelines | McDonnell Douglas |
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| Country | USA | USA |
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