Single-Engine, Triple-Helm (SETH) DTS Helm Architecture 14 14 14 13 13 13 12 12 12 11 11 11 10 10 10 3 4 5 2 2 1 9 2 20 6 16 X P H 5 17 18 19 4 3 15 8 8 8 7 Page 6C-4.1 90-8M0161677 71189