Incredible Facts About the B-2 Spirit 18. The B-2 was one of the first planes ever to use the fly-by-wire system. Rather than using mechanical movements to control the flaps directly, the pilots operate a computer that controls the steering. Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50