diff --git a/md11-nav-data/src/App.tsx b/md11-nav-data/src/App.tsx
index 163d1cf..270b871 100644
--- a/md11-nav-data/src/App.tsx
+++ b/md11-nav-data/src/App.tsx
@@ -17,6 +17,7 @@ function App() {
   const [params, setParams] = useState<DeviceFlowParams | null>(null);
   const [selectedTransition, setSelectedTransition] = useState<Procedure>();
   const [selectedChart, setSelectedChart] = useState<Chart>();
+  const [skippedNG, setSkippedNG] = useState(false);
 
   const { user, signIn, initialized } = useNavigraphAuth();
 
@@ -42,16 +43,22 @@ function App() {
 
   return (
     <>
-      {!user ? (
+      {!user && !skippedNG ? (
         <div className="flex min-h-dvh w-full">
           {initialized && !params && (
-            <div className="flex h-dvh w-dvw items-center justify-center">
+            <div className="flex h-dvh w-dvw flex-col items-center justify-center gap-2">
               <button
-                className="cursor-pointer rounded border border-gray-300 bg-gray-300 px-2 py-1 font-semibold focus:outline-2 focus-visible:outline-2 disabled:bg-gray-100"
+                className="cursor-pointer rounded border border-gray-300 bg-gray-300 px-2 py-1 font-semibold focus:outline-2 focus-visible:outline-2"
                 onClick={handleSignIn}
               >
                 Sign in to NG
               </button>
+              <button
+                className="cursor-pointer rounded border border-gray-600 px-2 py-1 font-semibold focus:outline-2 focus-visible:outline-2"
+                onClick={() => setSkippedNG(true)}
+              >
+                Skip NG
+              </button>
             </div>
           )}
 
@@ -79,6 +86,7 @@ function App() {
               transitions={transitions}
               transition={selectedTransition}
               chart={selectedChart}
+              skippedNG={skippedNG}
               setTransition={setSelectedTransition}
               setChart={setSelectedChart}
               backAction={() => {
diff --git a/md11-nav-data/src/components/Sidebar.tsx b/md11-nav-data/src/components/Sidebar.tsx
index eba86b6..87b0649 100644
--- a/md11-nav-data/src/components/Sidebar.tsx
+++ b/md11-nav-data/src/components/Sidebar.tsx
@@ -12,6 +12,7 @@ interface SidebarProps {
   transitions: Procedure[];
   transition: Procedure | undefined;
   chart: Chart | undefined;
+  skippedNG?: boolean;
   setTransition: Dispatch<SetStateAction<SidebarProps['transition']>>;
   setChart: Dispatch<SetStateAction<SidebarProps['chart']>>;
   backAction: () => void;
@@ -24,6 +25,7 @@ export const Sidebar: FC<SidebarProps> = ({
   transitions,
   transition,
   chart,
+  skippedNG,
   setTransition,
   setChart,
   backAction,
@@ -36,6 +38,8 @@ export const Sidebar: FC<SidebarProps> = ({
   }>({ star: [], sid: [], iap: [] });
 
   useEffect(() => {
+    if (skippedNG) return;
+
     setInFlight(true);
     (async () => {
       const _chartIndex = await charts.getChartsIndex({ icao: airport.ICAO, version: 'STD' });
@@ -134,61 +138,63 @@ export const Sidebar: FC<SidebarProps> = ({
           ))}
         </div>
 
-        <div className="flex flex-col gap-2">
-          <div className="sticky top-0 z-10 -mx-2 bg-gray-500 px-2 text-lg font-semibold text-white">Charts</div>
-          {inFlight && <Loader size={3} />}
-
+        {!skippedNG && (
           <div className="flex flex-col gap-2">
-            <div className="sticky top-7 -mx-2 -mt-2 bg-gray-500 px-2 text-lg font-semibold text-white">Arrivals</div>
-            {chartIndex.star
-              .filter((_chart) => _chart.is_georeferenced)
-              .map((_chart) => (
-                <button
-                  key={_chart.index_number}
-                  className={`cursor-pointer rounded border border-gray-300 bg-gray-300 px-2 py-1 text-left font-semibold focus:outline-2 focus:outline-black focus-visible:outline-2 focus-visible:outline-black ${chart?.index_number === _chart.index_number ? 'outline-2' : ''}`}
-                  onClick={() => findChart(_chart)}
-                >
-                  <span className="font-bold">{_chart.index_number}</span>
-                  <br />
-                  {_chart.name}
-                </button>
-              ))}
-          </div>
+            <div className="sticky top-0 z-10 -mx-2 bg-gray-500 px-2 text-lg font-semibold text-white">Charts</div>
+            {inFlight && <Loader size={3} />}
 
-          <div className="flex flex-col gap-2">
-            <div className="sticky top-7 -mx-2 bg-gray-500 px-2 text-lg font-semibold text-white">Departures</div>
-            {chartIndex.sid
-              .filter((_chart) => _chart.is_georeferenced)
-              .map((_chart) => (
-                <button
-                  key={_chart.index_number}
-                  className={`cursor-pointer rounded border border-gray-300 bg-gray-300 px-2 py-1 text-left font-semibold focus:outline-2 focus:outline-black focus-visible:outline-2 focus-visible:outline-black ${chart?.index_number === _chart.index_number ? 'outline-2' : ''}`}
-                  onClick={() => findChart(_chart)}
-                >
-                  <span className="font-bold">{_chart.index_number}</span>
-                  <br />
-                  {_chart.name}
-                </button>
-              ))}
-          </div>
+            <div className="flex flex-col gap-2">
+              <div className="sticky top-7 -mx-2 -mt-2 bg-gray-500 px-2 text-lg font-semibold text-white">Arrivals</div>
+              {chartIndex.star
+                .filter((_chart) => _chart.is_georeferenced)
+                .map((_chart) => (
+                  <button
+                    key={_chart.index_number}
+                    className={`cursor-pointer rounded border border-gray-300 bg-gray-300 px-2 py-1 text-left font-semibold focus:outline-2 focus:outline-black focus-visible:outline-2 focus-visible:outline-black ${chart?.index_number === _chart.index_number ? 'outline-2' : ''}`}
+                    onClick={() => findChart(_chart)}
+                  >
+                    <span className="font-bold">{_chart.index_number}</span>
+                    <br />
+                    {_chart.name}
+                  </button>
+                ))}
+            </div>
 
-          <div className="flex flex-col gap-2">
-            <div className="sticky top-7 -mx-2 bg-gray-500 px-2 text-lg font-semibold text-white">Approaches</div>
-            {chartIndex.iap
-              .filter((_chart) => _chart.is_georeferenced)
-              .map((_chart) => (
-                <button
-                  key={_chart.index_number}
-                  className={`cursor-pointer rounded border border-gray-300 bg-gray-300 px-2 py-1 text-left font-semibold focus:outline-2 focus:outline-black focus-visible:outline-2 focus-visible:outline-black ${chart?.index_number === _chart.index_number ? 'outline-2' : ''}`}
-                  onClick={() => findChart(_chart)}
-                >
-                  <span className="font-bold">{_chart.index_number}</span>
-                  <br />
-                  {_chart.name}
-                </button>
-              ))}
+            <div className="flex flex-col gap-2">
+              <div className="sticky top-7 -mx-2 bg-gray-500 px-2 text-lg font-semibold text-white">Departures</div>
+              {chartIndex.sid
+                .filter((_chart) => _chart.is_georeferenced)
+                .map((_chart) => (
+                  <button
+                    key={_chart.index_number}
+                    className={`cursor-pointer rounded border border-gray-300 bg-gray-300 px-2 py-1 text-left font-semibold focus:outline-2 focus:outline-black focus-visible:outline-2 focus-visible:outline-black ${chart?.index_number === _chart.index_number ? 'outline-2' : ''}`}
+                    onClick={() => findChart(_chart)}
+                  >
+                    <span className="font-bold">{_chart.index_number}</span>
+                    <br />
+                    {_chart.name}
+                  </button>
+                ))}
+            </div>
+
+            <div className="flex flex-col gap-2">
+              <div className="sticky top-7 -mx-2 bg-gray-500 px-2 text-lg font-semibold text-white">Approaches</div>
+              {chartIndex.iap
+                .filter((_chart) => _chart.is_georeferenced)
+                .map((_chart) => (
+                  <button
+                    key={_chart.index_number}
+                    className={`cursor-pointer rounded border border-gray-300 bg-gray-300 px-2 py-1 text-left font-semibold focus:outline-2 focus:outline-black focus-visible:outline-2 focus-visible:outline-black ${chart?.index_number === _chart.index_number ? 'outline-2' : ''}`}
+                    onClick={() => findChart(_chart)}
+                  >
+                    <span className="font-bold">{_chart.index_number}</span>
+                    <br />
+                    {_chart.name}
+                  </button>
+                ))}
+            </div>
           </div>
-        </div>
+        )}
       </div>
     </div>
   );
diff --git a/md11-nav-data/src/parser/terminators/TF.ts b/md11-nav-data/src/parser/terminators/TF.ts
index 007a73b..f9aa72d 100644
--- a/md11-nav-data/src/parser/terminators/TF.ts
+++ b/md11-nav-data/src/parser/terminators/TF.ts
@@ -32,7 +32,7 @@ export const TerminatorsTF = (
   // Compute overfly arc
   let arc1: LineSegment[] | null = null;
   let arc2: LineSegment[] = [[previousFix.longitude, previousFix.latitude]];
-  if (previousFix.isFlyOver) {
+  if (previousFix.isFlyOver && !lastCourse.equal(crsIntoEndpoint, 0.5)) {
     arc1 = generateTangentArc(crsIntoEndpoint, lastCourse, previousFix, targetFix, leg.TurnDir);
   } else {
     arc1 = [[previousFix.longitude, previousFix.latitude]];
diff --git a/md11-nav-data/src/parser/utils/extensions.ts b/md11-nav-data/src/parser/utils/extensions.ts
index 0240f1d..e72745a 100644
--- a/md11-nav-data/src/parser/utils/extensions.ts
+++ b/md11-nav-data/src/parser/utils/extensions.ts
@@ -59,8 +59,8 @@ Number.prototype.toTrue = function (fix) {
 Number.prototype.toMetre = function () {
   return (this as number) * 1852.0;
 };
-Number.prototype.equal = function (other: number) {
-  return Math.abs((this as number) - other) <= 0.1;
+Number.prototype.equal = function (other: number, accuracy = 0.1) {
+  return Math.abs((this as number) - other) <= accuracy;
 };
 
 String.prototype.parseAltitude = function () {
diff --git a/md11-nav-data/src/types/extensions.d.ts b/md11-nav-data/src/types/extensions.d.ts
index 8670fcf..c43ef64 100644
--- a/md11-nav-data/src/types/extensions.d.ts
+++ b/md11-nav-data/src/types/extensions.d.ts
@@ -26,9 +26,9 @@ export declare global {
      */
     toMetre: () => number;
     /**
-     * @returns True if delta is less than 0.1
+     * @returns True if delta is less than accuracy (default 0.1)
      */
-    equal: (other: number) => boolean;
+    equal: (other: number, accuracy?: number) => boolean;
   }
 
   interface String {