FS400 yog peb qhov loj tshaj, muaj zog tshaj plaws, thiab ntau yam hauv pem teb kiv cua.Cov cuab yeej muaj ntau yam, nws cov thav duab tuaj yeem hloov tau thiab aerodynamic airfoil tsis tsuas yog muab cov cua ntws hauv cov chaw sab hauv tsev uas koj xav tau tshaj plaws, nws qhov hloov pauv ceev tswj kev txhawb nqa tso cai rau cov neeg siv xaiv cov airflow ntau raws li lawv xav tau.