diff --git a/loko/interventions/tests/test_calendar.py b/loko/interventions/tests/test_calendar.py
index 7d8402d..553e8dd 100644
--- a/loko/interventions/tests/test_calendar.py
+++ b/loko/interventions/tests/test_calendar.py
@@ -383,6 +383,64 @@ class CalendarSearchTests(TestCase):
         self.assertIn(self.intv_matching.id, feature_ids)
         self.assertNotIn(self.intv_other.id, feature_ids)
 
+    def test_calendar_events_external_manager_backlog_visibility(self):
+        User = get_user_model()
+        ext_user = User.objects.create_user(username='ext-mgr', password='pwd')
+        role_ext, _ = Role.objects.get_or_create(name='external_manager')
+        ext_config = UserConfig.objects.create(user=ext_user, is_intern=False)
+        ext_config.roles.add(role_ext)
+
+        from common.models import UserContractAccess, UserContractStatusPermission
+        from contracts.models import UserCompanyTeamAccess
+        company = Company.objects.create(name='Company Ext')
+        contract = Contract.objects.create(
+            company=company,
+            contract_number="C-TEST-01",
+            start_date=timezone.now().date() - timedelta(days=30),
+            end_date=timezone.now().date() + timedelta(days=365)
+        )
+        contract_access = UserContractAccess.objects.create(
+            user_config=ext_config,
+            contract=contract,
+            can_view_interventions=True
+        )
+        UserContractStatusPermission.objects.create(
+            user_contract=contract_access,
+            status='to_be_processed',
+            can_view=True,
+            can_change_status_to=False,
+        )
+        UserThematics.objects.create(
+            user_config=ext_config,
+            thematic=self.thematic,
+            can_view_interventions=True
+        )
+        team = CompanyTeam.objects.create(name='Team Ext', company=company)
+        team.thematics.add(self.thematic)
+        UserCompanyTeamAccess.objects.create(
+            user_config=ext_config,
+            team=team,
+            can_view=True
+        )
+
+        itv_backlog = Intervention.objects.create(
+            title='Intervention for External Manager',
+            status='to_be_processed',
+            maintain_type='corrective',
+            contract=contract,
+            thematic=self.thematic,
+        )
+
+        self.client.login(username='ext-mgr', password='pwd')
+        url = reverse('interventions:interventions_events') + '?view_mode=teams_daily'
+        response = self.client.get(url)
+        self.assertEqual(response.status_code, 200)
+        data = response.json()
+        self.assertIn('backlog_groups', data)
+        corrective_backlog = data['backlog_groups'].get('corrective', [])
+        corrective_ids = [i['id'] for i in corrective_backlog]
+        self.assertIn(itv_backlog.id, corrective_ids)
+
 
 class CalendarContractFilterTests(TestCase):
     def setUp(self):
diff --git a/loko/interventions/views/calendar.py b/loko/interventions/views/calendar.py
index a843d02..9780f2e 100644
--- a/loko/interventions/views/calendar.py
+++ b/loko/interventions/views/calendar.py
@@ -371,7 +371,7 @@ def interventions_events(request):
 
     end_window_filter = Q(effective_end__gte=start) | Q(effective_end__isnull=True)
 
-    if view_mode == 'members':
+    if view_mode in ('members', 'teams_daily'):
         interventions = (
             interventions
             .filter(end_window_filter)
diff --git a/loko/interventions/views/helpers.py b/loko/interventions/views/helpers.py
index 755e835..08127c8 100644
--- a/loko/interventions/views/helpers.py
+++ b/loko/interventions/views/helpers.py
@@ -331,10 +331,11 @@ def _member_view_allowed_contract_ids(
     user_config: Optional[UserConfig],
     role_names: Set[str],
 ) -> Optional[Set[int]]:
-    """Return contract IDs for which the user can change status to 'to_be_processed'.
+    """Return contract IDs for which the user can change status to 'to_be_processed' or 'assigned',
+    or contracts accessible to external managers.
 
     Used to restrict the backlog (right panel) to interventions the user could
-    actually assign for processing.
+    actually assign or plan.
     """
     if not user_config:
         return set()
@@ -344,8 +345,10 @@ def _member_view_allowed_contract_ids(
     contract_ids = UserContractAccess.objects.filter(
         user_config=user_config,
         can_view_interventions=True,
-        status_permissions__status='to_be_processed',
-        status_permissions__can_change_status_to=True,
+    ).filter(
+        Q(status_permissions__status__in=['to_be_processed', 'assigned', 'to_be_planned', 'in_progress'],
+          status_permissions__can_change_status_to=True)
+        | Q(user_config__roles__name='external_manager')
     ).values_list('contract_id', flat=True)
     return {cid for cid in contract_ids if cid is not None}