diff --git a/templates/index.html b/templates/index.html
index 143e311..def69ac 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -858,49 +858,6 @@
                         Stop Tracking
                     </button>
 
-                    <!-- ACARS Sub-section -->
-                    <div class="section" style="margin-top: 15px; border-top: 1px solid var(--border-color); padding-top: 15px;">
-                        <h3 style="display: flex; align-items: center; justify-content: space-between; cursor: pointer;" onclick="toggleAcarsPanel()">
-                            <span>ACARS Messaging</span>
-                            <span id="acarsToggleIcon" style="font-size: 10px; color: var(--text-secondary);">&#9660;</span>
-                        </h3>
-                        <div id="acarsPanel">
-                            <div class="info-text" style="margin-bottom: 10px;">
-                                Decode aircraft digital messages (ACARS) on VHF frequencies.
-                            </div>
-                            <div style="background: rgba(255,193,7,0.1); border: 1px solid var(--accent-yellow); border-radius: 4px; padding: 8px; margin-bottom: 10px; font-size: 10px;">
-                                <strong style="color: var(--accent-yellow);">⚠ Two SDRs Required</strong><br>
-                                <span style="color: var(--text-secondary);">ADS-B uses 1090 MHz, ACARS uses VHF (~131 MHz). To receive both simultaneously, you need two separate RTL-SDR devices.</span>
-                            </div>
-                            <div class="form-group">
-                                <label>Frequencies (MHz)</label>
-                                <input type="text" id="acarsFrequencies" value="131.550,130.025,129.125,131.525" placeholder="131.550,130.025,...">
-                                <div class="info-text" style="margin-top: 4px;">Comma-separated VHF ACARS frequencies</div>
-                            </div>
-                            <div class="form-group">
-                                <label>Gain (dB, 0 = auto)</label>
-                                <input type="text" id="acarsGain" value="40" placeholder="40">
-                            </div>
-                            <div class="form-group">
-                                <label>PPM Correction</label>
-                                <input type="text" id="acarsPpm" value="0" placeholder="0">
-                            </div>
-                            <div class="preset-buttons" style="margin-bottom: 10px;">
-                                <button class="preset-btn" onclick="setAcarsRegion('na')">N. America</button>
-                                <button class="preset-btn" onclick="setAcarsRegion('eu')">Europe</button>
-                                <button class="preset-btn" onclick="setAcarsRegion('ap')">Asia-Pacific</button>
-                            </div>
-                            <div class="info-text" style="margin-top: 8px; display: grid; grid-template-columns: auto auto; gap: 4px 8px; align-items: center;" id="acarsToolStatus">
-                                <span>acarsdec:</span><span class="tool-status" id="acarsdecStatus">Checking...</span>
-                            </div>
-                            <button class="run-btn" id="startAcarsBtn" onclick="startAcars()" style="margin-top: 10px;">
-                                Start ACARS
-                            </button>
-                            <button class="stop-btn" id="stopAcarsBtn" onclick="stopAcars()" style="display: none; margin-top: 10px;">
-                                Stop ACARS
-                            </button>
-                        </div>
-                    </div>
                 </div>
 
                 <!-- SATELLITE MODE -->
@@ -7378,113 +7335,8 @@
         }
 
         // ============================================
-        // ACARS Functions
+        // ACARS Output Helper (used by main sidebar)
         // ============================================
-        let acarsEventSource = null;
-        let isAcarsRunning = false;
-        let acarsMessageCount = 0;
-
-        function toggleAcarsPanel() {
-            const panel = document.getElementById('acarsPanel');
-            const icon = document.getElementById('acarsToggleIcon');
-            if (panel.style.display === 'none') {
-                panel.style.display = 'block';
-                icon.innerHTML = '&#9660;';
-            } else {
-                panel.style.display = 'none';
-                icon.innerHTML = '&#9654;';
-            }
-        }
-
-        function setAcarsRegion(region) {
-            const freqInput = document.getElementById('acarsFrequencies');
-            const regions = {
-                'na': '129.125,130.025,130.450,131.550',
-                'eu': '131.525,131.725,131.550',
-                'ap': '131.550,131.450'
-            };
-            freqInput.value = regions[region] || regions['na'];
-        }
-
-        function checkAcarsTools() {
-            fetch('/acars/tools')
-                .then(r => r.json())
-                .then(data => {
-                    const status = document.getElementById('acarsdecStatus');
-                    if (data.acarsdec) {
-                        status.textContent = 'OK';
-                        status.className = 'tool-status ok';
-                    } else {
-                        status.textContent = 'Missing';
-                        status.className = 'tool-status missing';
-                    }
-                })
-                .catch(() => {
-                    const status = document.getElementById('acarsdecStatus');
-                    status.textContent = 'Error';
-                    status.className = 'tool-status missing';
-                });
-        }
-
-        function startAcars() {
-            const frequencies = document.getElementById('acarsFrequencies').value.split(',').map(f => f.trim());
-            const gain = document.getElementById('acarsGain').value;
-            const ppm = document.getElementById('acarsPpm').value;
-            const device = getSelectedDevice();
-
-            fetch('/acars/start', {
-                method: 'POST',
-                headers: { 'Content-Type': 'application/json' },
-                body: JSON.stringify({ frequencies, gain, ppm, device })
-            })
-            .then(r => r.json())
-            .then(data => {
-                if (data.status === 'started') {
-                    isAcarsRunning = true;
-                    acarsMessageCount = 0;
-                    document.getElementById('startAcarsBtn').style.display = 'none';
-                    document.getElementById('stopAcarsBtn').style.display = 'block';
-                    startAcarsStream();
-                } else {
-                    alert('ACARS Error: ' + data.message);
-                }
-            })
-            .catch(err => alert('ACARS Error: ' + err));
-        }
-
-        function stopAcars() {
-            fetch('/acars/stop', { method: 'POST' })
-                .then(r => r.json())
-                .then(data => {
-                    isAcarsRunning = false;
-                    document.getElementById('startAcarsBtn').style.display = 'block';
-                    document.getElementById('stopAcarsBtn').style.display = 'none';
-                    if (acarsEventSource) {
-                        acarsEventSource.close();
-                        acarsEventSource = null;
-                    }
-                });
-        }
-
-        function startAcarsStream() {
-            if (acarsEventSource) acarsEventSource.close();
-            acarsEventSource = new EventSource('/acars/stream');
-
-            acarsEventSource.onmessage = function(e) {
-                const data = JSON.parse(e.data);
-                if (data.type === 'acars') {
-                    acarsMessageCount++;
-                    addAcarsToOutput(data);
-                } else if (data.type === 'error') {
-                    console.error('ACARS error:', data.message);
-                }
-            };
-
-            acarsEventSource.onerror = function() {
-                console.error('ACARS stream error');
-            };
-        }
-
         function addAcarsToOutput(data) {
             const output = document.getElementById('outputList');
             const item = document.createElement('div');