diff --git a/src/data_ships.py b/src/data_ships.py
index af855c9..d9a2a91 100644
--- a/src/data_ships.py
+++ b/src/data_ships.py
@@ -51,6 +51,12 @@ async def _listener():
                         lon = meta.get("longitude") or pos.get("Longitude")
                         if not lat or not lon or not (-90 <= lat <= 90 and -180 <= lon <= 180):
                             continue
+                        ship_type = meta.get("ShipType", 0)
+                        # Vorherige Position fuer Dark-Ship-Erkennung merken
+                        prev = _store.get(mmsi)
+                        prev_positions = (prev.get("track", []) if prev else [])[-10:]
+                        prev_positions.append({"lat": round(lat, 5), "lon": round(lon, 5), "ts": time.time()})
+
                         _store[mmsi] = {
                             "mmsi": mmsi,
                             "lat": round(lat, 5),
@@ -59,7 +65,9 @@ async def _listener():
                             "cog": round(pos.get("Cog", 0), 1),
                             "heading": pos.get("TrueHeading", 0),
                             "name": (meta.get("ShipName") or "").strip(),
+                            "ship_type": ship_type,
                             "ts": time.time(),
+                            "track": prev_positions,
                         }
                         # Stale-Cleanup alle 1000 Updates
                         if len(_store) % 1000 == 0:
@@ -84,6 +92,50 @@ def start_ais_collector():
         logger.info("AIS collector gestartet")
 
 
+def _classify_ship(ship_type):
+    """AIS Ship Type zu Kategorie."""
+    if not ship_type:
+        return "unknown"
+    t = int(ship_type)
+    if 20 <= t <= 29: return "wing_in_ground"
+    if 30 <= t <= 39: return "fishing" if t == 30 else "towing" if t in (31,32) else "military" if t == 35 else "sailing" if t == 36 else "other"
+    if 40 <= t <= 49: return "hsc"
+    if 50 <= t <= 59: return "pilot" if t == 50 else "sar" if t == 51 else "tug" if t == 52 else "port" if t == 53 else "medical" if t == 58 else "other"
+    if 60 <= t <= 69: return "passenger"
+    if 70 <= t <= 79: return "cargo"
+    if 80 <= t <= 89: return "tanker"
+    return "other"
+
+def _detect_dark_ships():
+    """Schiffe die laenger als 10 Minuten kein Update hatten aber vorher aktiv waren."""
+    now = time.time()
+    dark = []
+    for mmsi, s in _store.items():
+        age = now - s["ts"]
+        track = s.get("track", [])
+        # Aktiv gewesen (>3 Positionen) aber seit >10min kein Update und SOG war > 1
+        if age > 600 and len(track) >= 3 and s.get("sog", 0) > 0.5:
+            dark.append({
+                "mmsi": mmsi, "name": s.get("name", ""),
+                "last_lat": s["lat"], "last_lon": s["lon"],
+                "last_sog": s["sog"], "last_cog": s["cog"],
+                "silent_minutes": round(age / 60, 1),
+                "ship_type": _classify_ship(s.get("ship_type")),
+            })
+    return dark
+
 @router.get("/ships")
 async def get_ships():
-    return {"ships": list(_store.values()), "total": len(_store), "connected": _connected}
+    ships_out = []
+    for s in _store.values():
+        ship = dict(s)
+        ship["category"] = _classify_ship(s.get("ship_type"))
+        # Track auf letzte 5 Positionen kuerzen fuer API
+        ship["track"] = ship.get("track", [])[-5:]
+        ships_out.append(ship)
+    return {"ships": ships_out, "total": len(ships_out), "connected": _connected}
+
+@router.get("/ships/dark")
+async def get_dark_ships():
+    dark = _detect_dark_ships()
+    return {"dark_ships": dark, "total": len(dark)}
diff --git a/static/css/globe.css b/static/css/globe.css
index c46370b..f961e1d 100644
--- a/static/css/globe.css
+++ b/static/css/globe.css
@@ -577,3 +577,9 @@ html, body { height: 100%; overflow: hidden; background: var(--bg-primary); colo
 
 .dot-terminator { background: #ff8800; }
 .dot-timezones { background: #8888ff; }
+
+/* === Ship Filters === */
+.ship-filters {
+    padding: 4px 12px 6px;
+    border-top: 1px solid rgba(255,255,255,0.04);
+}
diff --git a/static/index.html b/static/index.html
index 12d822a..f0988c1 100644
--- a/static/index.html
+++ b/static/index.html
@@ -74,6 +74,7 @@
             </label>
             <div class="layer-loading" id="loading-ships"></div>
             <div class="layer-status" id="status-ships"></div>
+            <div id="ship-filters" class="ship-filters" style="display:none"></div>
 
             <label class="layer-toggle">
                 <input type="checkbox" id="layer-gdelt" title="Geokodierte Nachrichten der letzten 24h (GDELT Global Event Database)">
diff --git a/static/js/layers/ships.js b/static/js/layers/ships.js
index ddce76a..84a9250 100644
--- a/static/js/layers/ships.js
+++ b/static/js/layers/ships.js
@@ -1,42 +1,91 @@
 /**
- * Schiffsverkehr-Layer: Zoom-adaptive Darstellung.
+ * Schiffsverkehr: Typ-Filter, Routen-Projektion, Dark Ships.
  */
 const ShipsLayer = {
     _viewer: null,
     _points: null,
+    _projLines: null,
     _labels: null,
     _interval: null,
     _count: 0,
     _data: [],
-    _lastZoomLevel: null,
+    _filters: { tanker: true, cargo: true, passenger: true, fishing: true, military: true, other: true },
+    _showProjection: false,
     _cameraListener: null,
+    _lastZoomLevel: null,
     _handler: null,
 
     start(viewer) {
         if (this._points) return;
         this._viewer = viewer;
         this._points = viewer.scene.primitives.add(new Cesium.PointPrimitiveCollection());
+        this._projLines = viewer.scene.primitives.add(new Cesium.PolylineCollection());
         this._labels = viewer.scene.primitives.add(new Cesium.LabelCollection());
         this._fetch();
         var self = this;
         this._interval = setInterval(function() { self._fetch(); }, 60000);
-
         this._cameraListener = function() { self._renderForZoom(); };
         viewer.camera.changed.addEventListener(this._cameraListener);
-
         this._handler = new Cesium.ScreenSpaceEventHandler(viewer.scene.canvas);
-        this._handler.setInputAction(function(click) { self._onClick(click.position); }, Cesium.ScreenSpaceEventType.LEFT_CLICK);
+        this._handler.setInputAction(function(c) { self._onClick(c.position); }, Cesium.ScreenSpaceEventType.LEFT_CLICK);
+        this._createFilterUI();
     },
 
     stop() {
         if (this._interval) { clearInterval(this._interval); this._interval = null; }
-        if (this._cameraListener && this._viewer) { this._viewer.camera.changed.removeEventListener(this._cameraListener); this._cameraListener = null; }
+        if (this._cameraListener && this._viewer) { this._viewer.camera.changed.removeEventListener(this._cameraListener); }
         if (this._handler) { this._handler.destroy(); this._handler = null; }
         if (this._points && this._viewer) { this._viewer.scene.primitives.remove(this._points); this._points = null; }
+        if (this._projLines && this._viewer) { this._viewer.scene.primitives.remove(this._projLines); this._projLines = null; }
         if (this._labels && this._viewer) { this._viewer.scene.primitives.remove(this._labels); this._labels = null; }
+        var filterEl = document.getElementById('ship-filters');
+        if (filterEl) filterEl.style.display = 'none';
         this._count = 0; this._data = []; this._lastZoomLevel = null;
     },
 
+    _createFilterUI() {
+        var el = document.getElementById('ship-filters');
+        if (!el) return;
+        var cats = [
+            { id: 'tanker', label: 'Tanker', color: '#ff4444' },
+            { id: 'cargo', label: 'Cargo', color: '#ffaa00' },
+            { id: 'passenger', label: 'Passagier', color: '#44ff44' },
+            { id: 'fishing', label: 'Fischerei', color: '#44aaff' },
+            { id: 'military', label: 'Militaer', color: '#ff44ff' },
+            { id: 'other', label: 'Sonstige', color: '#888888' },
+        ];
+        var self = this;
+        var html = '<div style="font-size:9px;color:var(--accent);letter-spacing:1px;margin-bottom:4px">SCHIFFSTYPEN</div>';
+        cats.forEach(function(c) {
+            html += '<label style="display:flex;align-items:center;gap:4px;font-size:10px;color:var(--text);cursor:pointer;padding:1px 0">' +
+                '<input type="checkbox" checked onchange="ShipsLayer.toggleFilter(\'' + c.id + '\',this.checked)" style="accent-color:' + c.color + ';width:11px;height:11px">' +
+                '<span style="width:6px;height:6px;border-radius:50%;background:' + c.color + '"></span>' + c.label + '</label>';
+        });
+        html += '<label style="display:flex;align-items:center;gap:4px;font-size:10px;color:var(--text);cursor:pointer;padding:3px 0 0;border-top:1px solid rgba(255,255,255,0.06);margin-top:3px">' +
+            '<input type="checkbox" onchange="ShipsLayer.toggleProjection(this.checked)" style="accent-color:var(--accent);width:11px;height:11px">Kurslinien</label>';
+        el.innerHTML = html;
+        el.style.display = 'block';
+    },
+
+    toggleFilter(cat, on) {
+        this._filters[cat] = on;
+        this._lastZoomLevel = null;
+        this._render();
+    },
+
+    toggleProjection(on) {
+        this._showProjection = on;
+        this._render();
+    },
+
+    _getColor(cat) {
+        var colors = {
+            tanker: '#ff4444', cargo: '#ffaa00', passenger: '#44ff44',
+            fishing: '#44aaff', military: '#ff44ff', other: '#888888', unknown: '#666666',
+        };
+        return colors[cat] || colors.other;
+    },
+
     _getZoomLevel() {
         var alt = this._viewer.camera.positionCartographic.height;
         if (alt > 5000000) return 'far';
@@ -54,110 +103,104 @@ const ShipsLayer = {
     _render() {
         if (!this._points || !this._data.length) return;
         this._points.removeAll();
+        this._projLines.removeAll();
         this._labels.removeAll();
+        var bounds = this._viewer.camera.computeViewRectangle();
         var level = this._getZoomLevel();
-        if (level === 'far') { this._renderClustered(5); }
-        else if (level === 'medium') { this._renderClustered(2); }
-        else { this._renderIndividual(); }
-    },
+        var max = level === 'far' ? 300 : level === 'medium' ? 800 : 2000;
+        var self = this;
+        var count = 0;
 
-    _renderClustered(gridSize) {
-        var clusters = {};
-        var blue = Cesium.Color.fromCssColorString('#4499ff');
-        for (var i = 0; i < this._data.length; i++) {
+        for (var i = 0; i < this._data.length && count < max; i++) {
             var s = this._data[i];
             if (!s.lat || !s.lon) continue;
-            var key = Math.round(s.lat / gridSize) + ',' + Math.round(s.lon / gridSize);
-            if (!clusters[key]) { clusters[key] = { count: 0, sumLat: 0, sumLon: 0 }; }
-            clusters[key].count++;
-            clusters[key].sumLat += s.lat;
-            clusters[key].sumLon += s.lon;
-        }
-        var keys = Object.keys(clusters);
-        for (var j = 0; j < keys.length; j++) {
-            var c = clusters[keys[j]];
-            var avgLat = c.sumLat / c.count;
-            var avgLon = c.sumLon / c.count;
-            var size = Math.min(Math.max(Math.sqrt(c.count) * 1.2, 3), 16);
-            this._points.add({
-                position: Cesium.Cartesian3.fromDegrees(avgLon, avgLat, 0),
-                pixelSize: size, color: blue,
-                outlineColor: Cesium.Color.fromCssColorString('#112244'), outlineWidth: 1,
-            });
-            if (c.count > 1) {
-                this._labels.add({
-                    position: Cesium.Cartesian3.fromDegrees(avgLon, avgLat, 0),
-                    text: c.count.toString(), font: '10px sans-serif',
-                    fillColor: Cesium.Color.WHITE, outlineColor: Cesium.Color.BLACK, outlineWidth: 3,
-                    style: Cesium.LabelStyle.FILL_AND_OUTLINE,
-                    pixelOffset: new Cesium.Cartesian2(0, -size - 3), scale: 0.8,
-                    horizontalOrigin: Cesium.HorizontalOrigin.CENTER,
-                });
-            }
-        }
-    },
+            var cat = s.category || 'other';
+            if (!this._filters[cat] && cat !== 'unknown') continue;
+
+            count++;
+            var colorStr = this._getColor(cat);
+            var color = Cesium.Color.fromCssColorString(colorStr);
+            var r = level === 'close' ? 3 : level === 'medium' ? 2.5 : 2;
 
-    _renderIndividual() {
-        var blue = Cesium.Color.fromCssColorString('#4499ff');
-        var gray = Cesium.Color.fromCssColorString('#445577');
-        for (var i = 0; i < this._data.length; i++) {
-            var s = this._data[i];
-            if (!s.lat || !s.lon) continue;
             this._points.add({
                 position: Cesium.Cartesian3.fromDegrees(s.lon, s.lat, 0),
-                pixelSize: 2.5, color: (s.sog || 0) > 0.5 ? blue : gray,
+                pixelSize: r, color: color,
             });
+
+            // Kurslinie (Projektion 30min voraus)
+            if (this._showProjection && s.sog > 0.5 && s.cog !== undefined && level !== 'far') {
+                var distNm = s.sog * 0.5; // 30 Minuten
+                var distDeg = distNm / 60;
+                var cogRad = (s.cog || 0) * Math.PI / 180;
+                var endLat = s.lat + distDeg * Math.cos(cogRad);
+                var endLon = s.lon + distDeg * Math.sin(cogRad);
+                this._projLines.add({
+                    positions: [
+                        Cesium.Cartesian3.fromDegrees(s.lon, s.lat, 0),
+                        Cesium.Cartesian3.fromDegrees(endLon, endLat, 0),
+                    ],
+                    width: 1,
+                    material: Cesium.Material.fromType('Color', { color: color.withAlpha(0.3) }),
+                });
+            }
+
+            // Labels bei Zoom
+            if (level === 'close' && s.name) {
+                this._labels.add({
+                    position: Cesium.Cartesian3.fromDegrees(s.lon, s.lat, 0),
+                    text: s.name, font: '9px monospace',
+                    fillColor: color.withAlpha(0.7),
+                    outlineColor: Cesium.Color.BLACK, outlineWidth: 2,
+                    style: Cesium.LabelStyle.FILL_AND_OUTLINE,
+                    pixelOffset: new Cesium.Cartesian2(5, -3), scale: 0.6,
+                    distanceDisplayCondition: new Cesium.DistanceDisplayCondition(0, 300000),
+                });
+            }
         }
     },
 
-    _onClick(position) {
+    _onClick(pos) {
         if (!this._viewer || !this._data.length) return;
-        var cartesian = this._viewer.scene.pickPosition(position);
-        if (!cartesian) { var ray = this._viewer.scene.camera.getPickRay(position); cartesian = this._viewer.scene.globe.pick(ray, this._viewer.scene); }
-        if (!cartesian) return;
-        var carto = Cesium.Cartographic.fromCartesian(cartesian);
-        var clickLat = Cesium.Math.toDegrees(carto.latitude);
-        var clickLon = Cesium.Math.toDegrees(carto.longitude);
-        var level = this._getZoomLevel();
-        if (level === 'close') {
-            var best = null, bestDist = 999;
-            for (var i = 0; i < this._data.length; i++) {
-                var s = this._data[i];
-                var d = Math.abs(s.lat - clickLat) + Math.abs(s.lon - clickLon);
-                if (d < bestDist) { bestDist = d; best = s; }
-            }
-            if (best && bestDist < 0.5) {
-                var name = best.name || ('MMSI ' + (best.mmsi || '?'));
-                this._viewer.trackedEntity = undefined;
-                this._viewer.selectedEntity = new Cesium.Entity({
-                    name: name,
-                    description: '<div style="font-family:monospace;font-size:13px;color:#4499ff;padding:8px">' +
-                        '<strong>' + name + '</strong><br>MMSI: ' + (best.mmsi || '?') +
-                        '<br>SOG: ' + (best.sog || 0).toFixed(1) + ' kn<br>COG: ' + Math.round(best.cog || 0) + '&deg;</div>',
-                });
-            }
-        } else {
-            this._viewer.camera.flyTo({ destination: Cesium.Cartesian3.fromDegrees(clickLon, clickLat, level === "far" ? 4000000 : 1500000), duration: 1.0 });
+        var cart = this._viewer.scene.pickPosition(pos);
+        if (!cart) { var ray = this._viewer.scene.camera.getPickRay(pos); cart = this._viewer.scene.globe.pick(ray, this._viewer.scene); }
+        if (!cart) return;
+        var c = Cesium.Cartographic.fromCartesian(cart);
+        var lat = Cesium.Math.toDegrees(c.latitude), lon = Cesium.Math.toDegrees(c.longitude);
+        var best = null, bd = 999;
+        for (var i = 0; i < this._data.length; i++) {
+            var s = this._data[i], d = Math.abs(s.lat-lat)+Math.abs(s.lon-lon);
+            if (d < bd) { bd = d; best = s; }
+        }
+        if (best && bd < 0.5) {
+            var name = best.name || ('MMSI ' + best.mmsi);
+            var catLabels = { tanker:'Tanker', cargo:'Frachter', passenger:'Passagier', fishing:'Fischerei', military:'Militaer', other:'Sonstige' };
+            this._viewer.trackedEntity = undefined;
+            this._viewer.selectedEntity = new Cesium.Entity({
+                name: name,
+                description: '<div style="font-family:monospace;font-size:12px;padding:8px;color:' + this._getColor(best.category) + '">' +
+                    '<strong>' + name + '</strong><br>' +
+                    'MMSI: ' + (best.mmsi||'?') + '<br>' +
+                    'Typ: ' + (catLabels[best.category] || best.category || '?') + '<br>' +
+                    'SOG: ' + (best.sog||0).toFixed(1) + ' kn | COG: ' + Math.round(best.cog||0) + '&deg;<br>' +
+                    'HDG: ' + (best.heading||'?') + '&deg;</div>',
+            });
         }
     },
 
     _fetch() {
         var self = this;
-        var loadEl = document.getElementById('loading-ships');
         var statusEl = document.getElementById('status-ships');
-        if (loadEl) loadEl.classList.add('active');
-        if (statusEl) { statusEl.textContent = 'Lade Daten...'; statusEl.classList.add('active'); }
+        if (statusEl) { statusEl.textContent = 'Lade...'; statusEl.classList.add('active'); }
         fetch('/api/ships')
         .then(function(r) { return r.json(); })
         .then(function(data) {
-            if (!self._points) return;
             self._data = data.ships || [];
             self._count = self._data.length;
             self._lastZoomLevel = null;
             self._render();
             if (statusEl) statusEl.textContent = self._count.toLocaleString('de-DE') + ' Schiffe';
         })
-        .catch(function(e) { console.warn('Ships error:', e); if (statusEl) statusEl.textContent = 'Fehler'; })
-        .finally(function() { if (loadEl) loadEl.classList.remove('active'); setTimeout(function() { if (statusEl) statusEl.classList.remove('active'); }, 5000); });
+        .catch(function(e) { console.warn('Ships:', e); if (statusEl) statusEl.textContent = 'Fehler'; })
+        .finally(function() { setTimeout(function() { if (statusEl) statusEl.classList.remove('active'); }, 5000); });
     },
 };