diff --git a/fbw-a380x/src/systems/instruments/src/OIT/OIT.tsx b/fbw-a380x/src/systems/instruments/src/OIT/OIT.tsx
index ebcc10c5166..d447683c5d0 100644
--- a/fbw-a380x/src/systems/instruments/src/OIT/OIT.tsx
+++ b/fbw-a380x/src/systems/instruments/src/OIT/OIT.tsx
@@ -57,7 +57,7 @@ export class OIT extends DisplayComponent<OitProps> {
     return this.props.laptop.data;
   }
 
-  private readonly operationMode = Subject.create<OisOperationMode>('flt-ops');
+  public readonly operationMode = Subject.create<OisOperationMode>('flt-ops');
 
   public readonly hEventConsumer = this.props.bus.getSubscriber<InternalKbdKeyEvent>().on('kbdKeyEvent');
 
diff --git a/fbw-a380x/src/systems/instruments/src/OIT/OitHeader.tsx b/fbw-a380x/src/systems/instruments/src/OIT/OitHeader.tsx
index 7f8ded8c33f..5e8cb806d09 100644
--- a/fbw-a380x/src/systems/instruments/src/OIT/OitHeader.tsx
+++ b/fbw-a380x/src/systems/instruments/src/OIT/OitHeader.tsx
@@ -83,8 +83,22 @@ export abstract class OitHeader extends DisplayComponent<OitHeaderHeaderProps> {
           isActive={SubscribableUtils.toSubscribable(false, true)}
           label="FUNCTIONS"
           menuItems={[
-            { label: 'HOME', action: () => {}, disabled: true },
-            { label: 'PREVIOUS', action: () => {}, disabled: true },
+            {
+              label: 'HOME',
+              action: () => {
+                if (this.props.oit.operationMode.get() === 'flt-ops') {
+                  this.props.uiService.navigateTo('flt-ops');
+                }
+              },
+            },
+            {
+              label: 'PREVIOUS',
+              action: () => {
+                if (this.props.uiService.canGoBack()) {
+                  this.props.uiService.navigateTo('back');
+                }
+              },
+            },
             { label: 'NEXT', action: () => {}, disabled: true, separatorBelow: true },
             { label: 'PRINT', action: () => {}, disabled: true },
             { label: 'STORE', action: () => {}, disabled: true },
diff --git a/fbw-a380x/src/systems/instruments/src/OITlegacy/OitLegacy.tsx b/fbw-a380x/src/systems/instruments/src/OITlegacy/OitLegacy.tsx
index 5d4f0c71229..24177e356e2 100644
--- a/fbw-a380x/src/systems/instruments/src/OITlegacy/OitLegacy.tsx
+++ b/fbw-a380x/src/systems/instruments/src/OITlegacy/OitLegacy.tsx
@@ -16,7 +16,6 @@ import {
   setAirframeInfo,
   setCabinInfo,
   setFlypadInfo,
-  SimbriefData,
   store,
   TroubleshootingContextProvider,
   useAppDispatch,
@@ -165,7 +164,6 @@ export const OitEfbPageWrapper: React.FC<OitEfbWrapperProps> = () => {
   const [showOfp] = useSimVar(`L:A32NX_OIS_${getDisplayIndex()}_SHOW_OFP`, 'Bool', 100);
   const [synchroAvionics] = useSimVar('L:A32NX_OIS_SYNCHRO_AVIONICS', 'number', 100);
 
-  const [simBriefData, setSimBriefData] = useState<SimbriefData>();
   const [fromAirport, setFromAirport] = useState<string>('');
   const [toAirport, setToAirport] = useState<string>('');
   const [altnAirport, setAltnAirport] = useState<string>('');
@@ -184,14 +182,18 @@ export const OitEfbPageWrapper: React.FC<OitEfbWrapperProps> = () => {
         (navigraphAuthInfo.loggedIn && navigraphAuthInfo.username) || '',
         overrideSimBriefUserID ?? '',
       );
-      setSimBriefData(action.payload);
-      const newAction = simbriefDataFromFms(simBriefData, fromAirport, toAirport, altnAirport);
+      const newAction = simbriefDataFromFms(action.payload, fromAirport, toAirport, altnAirport);
       dispatch(newAction);
     } catch (e) {
       console.error(e.message);
     }
   };
 
+  useEffect(() => {
+    console.log('navigraphAuthInfo.loggedIn, synchroAvionics', navigraphAuthInfo);
+    updateSimBriefInfo();
+  }, [navigraphAuthInfo, synchroAvionics]);
+
   useEffect(() => {
     const sub = bus.getSubscriber<FmsData & OisInternalData>();
     const subs: Subscription[] = [];
@@ -230,10 +232,6 @@ export const OitEfbPageWrapper: React.FC<OitEfbWrapperProps> = () => {
   }, [fromAirport, toAirport, altnAirport]);
   */
 
-  useEffect(() => {
-    updateSimBriefInfo();
-  }, [navigraphAuthInfo.loggedIn, synchroAvionics]);
-
   return (
     <>
       {showEfbOverlay && (