diff --git a/apps/web/src/features/scenario-creator/components/Area3DView.tsx b/apps/web/src/features/scenario-creator/components/Area3DView.tsx
index b0c3f84..ec96704 100644
--- a/apps/web/src/features/scenario-creator/components/Area3DView.tsx
+++ b/apps/web/src/features/scenario-creator/components/Area3DView.tsx
@@ -5,6 +5,7 @@ import * as THREE from 'three'
 import { useScenarioStore } from '../store'
 import { useSimulationStore } from '../../../stores/simulationStore'
 import { useVesselPanelStore } from '../../../stores/vesselPanelStore'
+import { useViewStore, type CameraId } from '../../../stores/viewStore'
 import { AREA_ROT_X, simToScene, headingToSceneYaw } from '../../../lib/geo3d'
 import { tokens } from '../../../theme/tokens'
 
@@ -12,8 +13,15 @@ const AREA_BASE = '/assets/3d/baia_de_guanabara'
 const VESSEL_URL = '/assets/3d/vessel/celso_furtado.glb'
 const AREA_PARTS = [`${AREA_BASE}/batimetria.glb`, `${AREA_BASE}/ilhas.glb`, `${AREA_BASE}/ponte.glb`]
 
-// Onboard "Front" camera offset from vessel_config (local metres, vessel frame).
-const FRONT_CAM = { x: 0, y: 31.5, z: -58.8 }
+// Onboard cameras from vessel_config (celso_furtado): local offset (metres) +
+// local yaw (deg) in the vessel frame.
+const CAMERAS: Record<CameraId, { x: number; y: number; z: number; yawDeg: number }> = {
+  Front: { x: 0, y: 31.5, z: -58.8, yawDeg: 0 },
+  Back: { x: 0, y: 31.5, z: -80.94, yawDeg: 180 },
+  Bridge: { x: 0, y: 31.5, z: -61.58, yawDeg: 0 },
+  Starboard: { x: 16.32, y: 31.5, z: -61.3, yawDeg: 0 },
+  Portside: { x: -16.32, y: 31.5, z: -61.3, yawDeg: 0 },
+}
 
 /** The Baía meshes are Z-up; rotate to Y-up and recentre horizontally on the sim
  *  origin so vessels (near 0,0) sit on the bay. */
@@ -50,9 +58,9 @@ function VesselModel({ x, y, headingDeg }: { x: number; y: number; headingDeg: n
   )
 }
 
-/** Camera anchored to the selected vessel's onboard Front camera; falls back to a
+/** Camera anchored to the selected vessel's chosen onboard camera; falls back to a
  *  bay overview when nothing is selected. */
-function CameraRig({ target }: { target: { x: number; y: number; headingDeg: number } | null }) {
+function CameraRig({ target, cameraId }: { target: { x: number; y: number; headingDeg: number } | null; cameraId: CameraId }) {
   const { camera } = useThree()
   useEffect(() => {
     if (!target) {
@@ -60,17 +68,19 @@ function CameraRig({ target }: { target: { x: number; y: number; headingDeg: num
       camera.lookAt(0, 0, 0)
       return
     }
-    const yaw = headingToSceneYaw((target.headingDeg * Math.PI) / 180)
+    const cam = CAMERAS[cameraId]
+    const vesselYaw = headingToSceneYaw((target.headingDeg * Math.PI) / 180)
     const [bx, by, bz] = simToScene(target.x, target.y)
-    // Place the camera at the Front offset rotated into world space.
-    const off = new THREE.Vector3(FRONT_CAM.x, FRONT_CAM.y, FRONT_CAM.z)
-    off.applyAxisAngle(new THREE.Vector3(0, 1, 0), yaw)
+    const up = new THREE.Vector3(0, 1, 0)
+    // Camera position: local offset rotated by the vessel heading.
+    const off = new THREE.Vector3(cam.x, cam.y, cam.z).applyAxisAngle(up, vesselYaw)
     camera.position.set(bx + off.x, by + off.y, bz + off.z)
-    // Look level toward the horizon along the vessel heading (out the bridge),
-    // not down at the console.
-    const ahead = new THREE.Vector3(0, -250, -1500).applyAxisAngle(new THREE.Vector3(0, 1, 0), yaw)
+    // Look direction: vessel heading + this camera's own local yaw, aimed slightly
+    // down toward the water so the sea + horizon are visible.
+    const aimYaw = vesselYaw + (cam.yawDeg * Math.PI) / 180
+    const ahead = new THREE.Vector3(0, -250, -1500).applyAxisAngle(up, aimYaw)
     camera.lookAt(bx + off.x + ahead.x, by + off.y + ahead.y, bz + off.z + ahead.z)
-  }, [camera, target])
+  }, [camera, target, cameraId])
   return null
 }
 
@@ -89,6 +99,7 @@ export function Area3DView() {
   }), [vessels, running, state])
 
   const target = posed.find((p) => p.instanceId === selectedVesselId) ?? posed[0] ?? null
+  const cameraId = useViewStore((s) => s.cameraId)
 
   return (
     <Canvas
@@ -110,7 +121,7 @@ export function Area3DView() {
         <planeGeometry args={[80000, 80000]} />
         <meshStandardMaterial color={tokens.color.accent} transparent opacity={0.55} />
       </mesh>
-      <CameraRig target={target} />
+      <CameraRig target={target} cameraId={cameraId} />
     </Canvas>
   )
 }
diff --git a/apps/web/src/features/scenario-creator/components/CameraSelector.test.tsx b/apps/web/src/features/scenario-creator/components/CameraSelector.test.tsx
new file mode 100644
index 0000000..03c4ad5
--- /dev/null
+++ b/apps/web/src/features/scenario-creator/components/CameraSelector.test.tsx
@@ -0,0 +1,22 @@
+import { render, screen, fireEvent } from '@testing-library/react'
+import { describe, it, expect, beforeEach } from 'vitest'
+import { CameraSelector } from './CameraSelector'
+import { useViewStore } from '../../../stores/viewStore'
+
+describe('CameraSelector', () => {
+  beforeEach(() => useViewStore.setState({ cameraId: 'Front' }))
+
+  it('marks the active camera as pressed', () => {
+    render(<CameraSelector />)
+    expect(screen.getByRole('button', { name: 'Proa' })).toHaveAttribute('aria-pressed', 'true')
+    expect(screen.getByRole('button', { name: 'Popa' })).toHaveAttribute('aria-pressed', 'false')
+  })
+
+  it('switches the active onboard camera', () => {
+    render(<CameraSelector />)
+    fireEvent.click(screen.getByRole('button', { name: 'Bombordo' }))
+    expect(useViewStore.getState().cameraId).toBe('Portside')
+    fireEvent.click(screen.getByRole('button', { name: 'Ponte' }))
+    expect(useViewStore.getState().cameraId).toBe('Bridge')
+  })
+})
diff --git a/apps/web/src/features/scenario-creator/components/CameraSelector.tsx b/apps/web/src/features/scenario-creator/components/CameraSelector.tsx
new file mode 100644
index 0000000..22b2fc2
--- /dev/null
+++ b/apps/web/src/features/scenario-creator/components/CameraSelector.tsx
@@ -0,0 +1,57 @@
+import { useViewStore, type CameraId } from '../../../stores/viewStore'
+import { tokens } from '../../../theme/tokens'
+
+const CAMERAS: { id: CameraId; label: string }[] = [
+  { id: 'Front', label: 'Proa' },
+  { id: 'Bridge', label: 'Ponte' },
+  { id: 'Back', label: 'Popa' },
+  { id: 'Starboard', label: 'Boreste' },
+  { id: 'Portside', label: 'Bombordo' },
+]
+
+/** Onboard-camera picker shown over the 3D view (Proa/Ponte/Popa/Boreste/Bombordo). */
+export function CameraSelector() {
+  const { cameraId, setCamera } = useViewStore()
+
+  return (
+    <div
+      role="group"
+      aria-label="Câmera do navio"
+      style={{
+        position: 'absolute',
+        top: tokens.size.topbar - 8,
+        left: tokens.space.lg,
+        display: 'inline-flex',
+        gap: 2,
+        padding: 2,
+        background: tokens.color.surface,
+        border: `1px solid ${tokens.color.border}`,
+        borderRadius: tokens.radius.pill,
+        boxShadow: tokens.shadow.sm,
+        zIndex: tokens.z.panel,
+      }}
+    >
+      {CAMERAS.map((c) => (
+        <button
+          key={c.id}
+          type="button"
+          aria-pressed={cameraId === c.id}
+          onClick={() => setCamera(c.id)}
+          style={{
+            padding: `${tokens.space.xs}px ${tokens.space.sm}px`,
+            border: 'none',
+            background: cameraId === c.id ? tokens.color.accent : 'transparent',
+            color: cameraId === c.id ? tokens.color.textOnDark : tokens.color.textSecondary,
+            fontFamily: tokens.font.sans,
+            fontSize: tokens.fontSize.sm,
+            fontWeight: tokens.fontWeight.medium,
+            cursor: 'pointer',
+            borderRadius: tokens.radius.pill,
+          }}
+        >
+          {c.label}
+        </button>
+      ))}
+    </div>
+  )
+}
diff --git a/apps/web/src/features/shell/AppShell.tsx b/apps/web/src/features/shell/AppShell.tsx
index 2acb318..2bec05f 100644
--- a/apps/web/src/features/shell/AppShell.tsx
+++ b/apps/web/src/features/shell/AppShell.tsx
@@ -10,6 +10,7 @@ import { Sidebar } from '../scenario-creator/components/Sidebar'
 import { AreaMapView } from '../scenario-creator/components/AreaMapView'
 import { Area3DView } from '../scenario-creator/components/Area3DView'
 import { ViewToggle } from '../scenario-creator/components/ViewToggle'
+import { CameraSelector } from '../scenario-creator/components/CameraSelector'
 import { VesselPanel } from '../scenario-creator/components/VesselPanel'
 import { VesselPicker } from '../scenario-creator/components/VesselPicker'
 import { ScenarioInfoPanel } from '../scenario-info/ScenarioInfoPanel'
@@ -133,6 +134,7 @@ export function AppShell() {
         <div style={{ flex: 1, position: 'relative' }}>
           {mode === 'map' ? <AreaMapView /> : <Area3DView />}
           <ViewToggle />
+          {mode === '3d' && <CameraSelector />}
           <VesselPanel />
           <ScenarioInfoPanel open={infoOpen} onClose={() => setInfoOpen(false)} />
           {mode === 'map' && <MapActions onZoomIn={zoomIn} onZoomOut={zoomOut} />}
diff --git a/apps/web/src/stores/viewStore.ts b/apps/web/src/stores/viewStore.ts
index 551bdc9..47a28ad 100644
--- a/apps/web/src/stores/viewStore.ts
+++ b/apps/web/src/stores/viewStore.ts
@@ -1,17 +1,24 @@
 import { create } from 'zustand'
 
 export type ViewMode = 'map' | '3d'
+/** Onboard camera ids from vessel_config (celso_furtado). */
+export type CameraId = 'Front' | 'Back' | 'Bridge' | 'Starboard' | 'Portside'
 
 interface ViewStore {
   mode: ViewMode
+  cameraId: CameraId
   setMode: (m: ViewMode) => void
   toggle: () => void
+  setCamera: (c: CameraId) => void
 }
 
-/** Which background the scenario workspace shows — 2D map or the 3D scene.
- *  Only the background swaps; all panels are shared. */
+/** Which background the scenario workspace shows — 2D map or the 3D scene — and,
+ *  in 3D, which onboard vessel camera is active. Only the background swaps; all
+ *  panels are shared. */
 export const useViewStore = create<ViewStore>((set, get) => ({
   mode: 'map',
+  cameraId: 'Front',
   setMode: (mode) => set({ mode }),
   toggle: () => set({ mode: get().mode === 'map' ? '3d' : 'map' }),
+  setCamera: (cameraId) => set({ cameraId }),
 }))