Aircraft V-Speeds

flowchart LR
TO[Taxi] --> V1[V₁ decision speed]
V1 --> VR[Vr rotate]
VR --> V2[V₂ takeoff safety]
V2 --> VFS[VFS climb to clean]
VFS --> VFE[VFE flap-extension limit]
VFE --> VNO[VNO normal cruise max]
VNO --> VNE[VNE never-exceed]
classDef d fill:#fee2e2,stroke:#991b1b;
classDef s fill:#dcfce7,stroke:#166534;
class V1,VR d
class V2,VFS s