diff --git a/src/data_flights.py b/src/data_flights.py
index fa3680f..a219720 100644
--- a/src/data_flights.py
+++ b/src/data_flights.py
@@ -1,4 +1,4 @@
-"""Flugverkehr: OpenSky (primary) + airplanes.live (fallback)."""
+"""Flugverkehr: adsb.lol (primary, 10.000+) + adsb.one (fallback)."""
 import asyncio
 import logging
 import time
@@ -9,82 +9,71 @@ from fastapi import APIRouter
 logger = logging.getLogger("globe.flights")
 router = APIRouter()
 
-_OPENSKY_URL = "https://opensky-network.org/api/states/all"
-
-# Fallback: airplanes.live Stuetzpunkte (wenige, wichtigste)
-_FALLBACK_GRID = [
-    (48, 10), (52, 13), (40, -4), (41, 12), (55, 10),  # Europa
-    (40, -74), (34, -118), (42, -88),                     # USA
-    (33, 36), (26, 56), (25, 45),                         # Nahost
-    (35, 140), (31, 121), (22, 114),                      # Asien
-]
-
 _cache: dict = {"data": None, "ts": 0}
 _lock = asyncio.Lock()
 _task = None
 
-
-async def _fetch_opensky(client):
-    """Versucht OpenSky — liefert alle Flugzeuge oder None bei Fehler."""
-    try:
-        resp = await client.get(_OPENSKY_URL)
-        if resp.status_code == 429:
-            logger.info("OpenSky: Rate-Limited (429), nutze Fallback")
-            return None
-        resp.raise_for_status()
-        raw = resp.json()
-        states = raw.get("states", [])
-        ac = []
-        for s in states:
-            if not s or len(s) < 12 or s[5] is None or s[6] is None:
-                continue
-            if s[8]:  # on_ground
-                continue
-            ac.append({
-                "hex": s[0] or "", "flight": (s[1] or "").strip(),
-                "lat": s[6], "lon": s[5],
-                "alt_baro": round(s[7] * 3.281) if s[7] else None,
-                "gs": round(s[9] * 1.944) if s[9] else None,
-                "track": s[10], "origin": s[2] or "",
-            })
-        logger.info(f"OpenSky: {len(ac)} Flugzeuge")
-        return ac
-    except Exception as e:
-        logger.warning(f"OpenSky: {e}")
-        return None
+# adsb.lol: Ein Call, 10.000+ Flugzeuge, kein Rate-Limit
+_PRIMARY_URL = "https://api.adsb.lol/v2/point/30/0/10000"
+# adsb.one: Fallback, ~7.000 Flugzeuge
+_FALLBACK_URL = "https://api.adsb.one/v2/point/30/0/10000"
 
 
-async def _fetch_fallback(client):
-    """Fallback: airplanes.live mit wenigen Stuetzpunkten."""
-    seen = {}
-    for lat, lon in _FALLBACK_GRID:
-        try:
-            resp = await client.get(f"https://api.airplanes.live/v2/point/{lat:.0f}/{lon:.0f}/250")
-            if resp.status_code == 200:
-                for a in resp.json().get("ac", []):
-                    h = a.get("hex")
-                    if h and h not in seen:
-                        seen[h] = a
-        except Exception:
-            pass
-        await asyncio.sleep(2)  # Langsam um Rate-Limits zu vermeiden
-    logger.info(f"airplanes.live Fallback: {len(seen)} Flugzeuge")
-    return list(seen.values())
+def _parse_ac(data):
+    """Parst Flugzeuge aus adsb.lol/adsb.one Format."""
+    ac = []
+    for a in data.get("ac", []):
+        lat = a.get("lat")
+        lon = a.get("lon")
+        if lat is None or lon is None:
+            continue
+        ac.append({
+            "hex": a.get("hex", ""),
+            "flight": (a.get("flight") or "").strip(),
+            "reg": a.get("r", ""),
+            "type": a.get("t", ""),
+            "lat": lat,
+            "lon": lon,
+            "alt_baro": a.get("alt_baro"),
+            "alt_geom": a.get("alt_geom"),
+            "gs": a.get("gs"),
+            "track": a.get("track"),
+            "squawk": a.get("squawk", ""),
+        })
+    return ac
 
 
 async def _fetch_all():
     now = time.time()
-    if _cache["data"] and now - _cache["ts"] < 55:
+    if _cache["data"] and now - _cache["ts"] < 12:
         return _cache["data"]
 
     async with _lock:
-        if _cache["data"] and time.time() - _cache["ts"] < 55:
+        if _cache["data"] and time.time() - _cache["ts"] < 12:
             return _cache["data"]
 
+        ac = None
         async with httpx.AsyncClient(timeout=20) as client:
-            ac = await _fetch_opensky(client)
-            if ac is None:
-                ac = await _fetch_fallback(client)
+            # Primary: adsb.lol
+            try:
+                resp = await client.get(_PRIMARY_URL)
+                if resp.status_code == 200:
+                    ac = _parse_ac(resp.json())
+                    if ac:
+                        logger.info(f"adsb.lol: {len(ac)} Flugzeuge")
+            except Exception as e:
+                logger.warning(f"adsb.lol: {e}")
+
+            # Fallback: adsb.one
+            if not ac:
+                try:
+                    resp = await client.get(_FALLBACK_URL)
+                    if resp.status_code == 200:
+                        ac = _parse_ac(resp.json())
+                        if ac:
+                            logger.info(f"adsb.one Fallback: {len(ac)} Flugzeuge")
+                except Exception as e:
+                    logger.warning(f"adsb.one: {e}")
 
         if ac:
             _cache["data"] = {"ac": ac, "total": len(ac)}
@@ -96,20 +85,20 @@ async def _fetch_all():
 
 
 async def _collector_loop():
-    await asyncio.sleep(5)
+    await asyncio.sleep(3)
     while True:
         try:
             await _fetch_all()
         except Exception as e:
             logger.warning(f"Flight collector: {e}")
-        await asyncio.sleep(60)
+        await asyncio.sleep(15)
 
 
 def start_flight_collector():
     global _task
     if _task is None or _task.done():
         _task = asyncio.create_task(_collector_loop())
-        logger.info("Flight collector gestartet (OpenSky + Fallback)")
+        logger.info("Flight collector gestartet (adsb.lol + adsb.one)")
 
 
 @router.get("/flights")