Three decades ago, the US Air Force was flight-testing two potential advanced short take-off and landing replacements for the Lockheed Martin C-130 -
Boeing's YC-14 and McDonnell Douglas's YC-15.
The Advanced Medium STOL Transport programme was cancelled in 1979 when the air force shifted its focus from tactical to strategic airlift. This
resulted in the Boeing C-17, and left the C-130 to soldier on.
Now, 30 years later, the USAF is again trying to develop an advanced STOL replacement for the C-130 - the Advanced Joint Air Combat System (AJACS) -
and using the YC-14 versus YC-15 competition as a model for its plan to fly competitive demonstrators.
Capacity: Length 16 m, Width 4 m, Height 4 m
Payload: Max:30+ metric tons (120ton TOW) (Max:37.6 metric tons (MOTW))
Length: 43.9 m (144 ft)
Wingspan: 44.4 m (145 ft 8 in)
Height: 14.2 m (46 ft 7 in)
Empty weight: 60,800 kg (133,920 lbs)
Max takeoff weight: 141,400 kg (311,453 lbs)
Powerplant: 2× GE CF6-80C2K1F, 59,740lbf (266 kN) each
Maximum speed: 610? mph (980? km/h)
Cruise speed: 550 mph (890km/h)
Range: 0t/10,000km 12t/8,900km 37t/5,600km (0t/6200 miles 12t/5,530miles 37t/3,480miles)
Service ceiling 40,000 ft (12,200 m)
Another program running when the above could be perfect for US army and USAF requirements.
If properly marketed it could replace C-130s and could steal some A400m
sales as well, with a payload of 30+ tons.
And bigger than the Embraer C-390 with 19 tons of cargo