diff --git a/server/api/bridge/data.post.ts b/server/api/bridge/data.post.ts
index 820a875..8e32c49 100644
--- a/server/api/bridge/data.post.ts
+++ b/server/api/bridge/data.post.ts
@@ -1,12 +1,56 @@
-import { defineEventHandler, readBody } from 'h3'
+import { defineEventHandler, readBody, getHeader } from 'h3'
+import { resolveUserFromToken } from '../../utils/auth'
+import { flightlabTelemetryStore } from '../../utils/flightlabTelemetry'
 
+/**
+ * Receives MSFS SimConnect telemetry data from an external bridge application.
+ *
+ * The bridge should POST telemetry data with an Authorization header so we
+ * can route the data to the correct FlightLab WebSocket session.
+ *
+ * ──────────────────────────────────────────
+ * EXAMPLE REQUEST (from SimBridge app):
+ * ──────────────────────────────────────────
+ *
+ * POST /api/bridge/data
+ * Authorization: Bearer <user-jwt-token>
+ * Content-Type: application/json
+ *
+ * {
+ *   "AIRSPEED_INDICATED": 145.2,
+ *   "GROUND_VELOCITY": 142.8,
+ *   "VERTICAL_SPEED": 0,
+ *   "PLANE_ALTITUDE": 364,
+ *   "PLANE_PITCH_DEGREES": 0.5,
+ *   "TURB_ENG_N1_1": 87.3,
+ *   "TURB_ENG_N1_2": 86.9,
+ *   "SIM_ON_GROUND": true,
+ *   "GEAR_HANDLE_POSITION": true,
+ *   "FLAPS_HANDLE_INDEX": 2,
+ *   "BRAKE_PARKING_POSITION": false,
+ *   "AUTOPILOT_MASTER": false
+ * }
+ *
+ * ──────────────────────────────────────────
+ * RESPONSE: 204 No Content (success)
+ *           401 Unauthorized (missing/invalid token)
+ * ──────────────────────────────────────────
+ */
 export default defineEventHandler(async (event) => {
-    // Body einlesen
-    const body = await readBody(event)
+  // Resolve user from Bearer token (optional — also works with ?userId query param)
+  const user = await resolveUserFromToken(event)
+  const userId = user?._id?.toString()
+    ?? new URL(event.node.req.url ?? '', 'http://localhost').searchParams.get('userId')
 
-    // Alles in der Server-Konsole ausgeben
-    console.log('MSFS Telemetry:', body)
+  if (!userId) {
+    event.node.res.statusCode = 401
+    return { error: 'Authorization required — send Bearer token or ?userId query param' }
+  }
 
-    // Leere 204-Antwort zurückgeben
-    event.node.res.statusCode = 204
+  const body = await readBody(event)
+
+  // Store telemetry and broadcast to WebSocket subscribers
+  flightlabTelemetryStore.update(userId, body)
+
+  event.node.res.statusCode = 204
 })
diff --git a/server/utils/flightlabTelemetry.ts b/server/utils/flightlabTelemetry.ts
new file mode 100644
index 0000000..a56775b
--- /dev/null
+++ b/server/utils/flightlabTelemetry.ts
@@ -0,0 +1,35 @@
+/**
+ * In-memory telemetry store that bridges the HTTP POST endpoint
+ * with FlightLab WebSocket sessions.
+ *
+ * Flow: SimBridge → POST /api/bridge/data → telemetryStore → WS → Client
+ */
+
+type TelemetryListener = (userId: string, data: any) => void
+
+class FlightLabTelemetryStore {
+  /** Latest telemetry per userId */
+  private data = new Map<string, any>()
+  /** WebSocket listeners that get notified on new data */
+  private listeners = new Set<TelemetryListener>()
+
+  update(userId: string, telemetry: any) {
+    this.data.set(userId, { ...telemetry, timestamp: Date.now() })
+    // Notify all listeners (WebSocket handler subscribes here)
+    for (const listener of this.listeners) {
+      try { listener(userId, this.data.get(userId)) } catch {}
+    }
+  }
+
+  get(userId: string) {
+    return this.data.get(userId) ?? null
+  }
+
+  subscribe(listener: TelemetryListener) {
+    this.listeners.add(listener)
+    return () => { this.listeners.delete(listener) }
+  }
+}
+
+// Singleton — shared across all server handlers
+export const flightlabTelemetryStore = new FlightLabTelemetryStore()