Quad-Engine, Dual-Helm (QEDH) DTS Helm Architecture 5 21 5 21 20 20 4 19 19 18 18 X 17 17 23 16 16 15 15 23 X 14 14 7 13 13 6 8 3 12 12 9 25 12 12 2 8 6 22 X 23 11 11 10 23 24 X H 1 Page 6B-10.1 90-8M0161677 71183