Join me in a walkaround tour of this unique Boeing YC14 STOL transport aircraft on display at the Pima Air and Space museum in Tucson. This was meant to be the C130 Hercules replacement.
This is one of only two prototypes ever made and it used a revolutionary engine placement design to potentially revolutionised STOL cargo plane design, but ultimately failed.

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0:00 intro
0:26 Pima Air and Space Museum
0:40 history and Advanced Medium STOL Transport program
2:00 start the tour
2:10 General Electric CF6 turbofans and upper surface blown flaps
5:45 supercritical wing design
7:20 tail section
8:30 cargo section
9:00 landing gear positioning
12:20 Soviet Antonov An72
12:50 cockpit
13:40 inflight refuelling
13:50 interesting nose wheel
17:02 Kawasaki C1 Asuka QSTOL testbed
17:27 NASA QSRA
18:40 McDonnell YC15