diff --git a/.a0/current_status.md b/.a0/current_status.md
index 18b227a..5ce85da 100644
--- a/.a0/current_status.md
+++ b/.a0/current_status.md
@@ -1,20 +1,18 @@
 # Current Status
 
-## Phase: 6 (Projects) – T023 COMPLETE
+## Phase: 6 (Projects) – T025 COMPLETE
 
 ## Last Completed
-- T023: Project list and detail UI
-  - Created ProjectForm.tsx (form component with all project fields)
-  - Created Projects.tsx (list page with search and status filter)
-  - Created ProjectNew.tsx (new project form page)
-  - Created ProjectEdit.tsx (edit project form page)
-  - Created ProjectDetail.tsx (detail page with SubProjects, FunctionGroups, Functions display)
-  - Updated App.tsx with routes: /projects, /projects/new, /projects/:projectId, /projects/:projectId/edit
+- T025: ProjectEquipment and ProjectCrew models
+  - Added ProjectEquipmentGroup, ProjectEquipment, ProjectCrew SQLAlchemy models
+  - Created Alembic migration and applied successfully
+  - Verified backend starts, health, auth, and existing endpoints return 200
 
 ## Next Tasks (Phase 6)
-- T024: Project function group and function editor UI
-- T025: ProjectEquipment and ProjectCrew
-- T026+: Remaining project features
+- T026: Project equipment group and items API
+- T027: Project equipment management UI
+- T028: Crew assignment API
+- T029: Crew assignment UI
 
 ## Blockers
 - None
diff --git a/.a0/project_state.json b/.a0/project_state.json
index 6382e59..4b60e02 100644
--- a/.a0/project_state.json
+++ b/.a0/project_state.json
@@ -54,10 +54,11 @@
         "T021",
         "T022",
         "T023",
-        "T024"
+        "T024",
+        "T025"
       ],
       "current_phase": 6,
-      "next_task": "T025"
+      "next_task": "T026"
     },
     "tests_run": true,
     "runtime_verified": false,
@@ -73,7 +74,7 @@
     "score": 0
   },
   "next_action": {
-    "summary": "Phase 6: Projects (T022-T030). T024 completed: added function_type + group start/end dates to function groups UI. Nächstes: T025 – Project form and editor UI (creation/editing).",
+    "summary": "Phase 6: Projects (T022-T030). T025 completed: Created DB models for ProjectEquipmentGroup, ProjectEquipment, ProjectCrew with migration. Next: T026 – Implement project equipment group and items API.",
     "owner_agent": "implementation_engineer",
     "required_skill": "implementation-loop"
   },
diff --git a/.a0/worklog.md b/.a0/worklog.md
index 4d2b732..6da7a39 100644
--- a/.a0/worklog.md
+++ b/.a0/worklog.md
@@ -139,3 +139,20 @@
 
 ### Nächster Task
 **T023**: Project list and detail UI
+## 2026-05-31 - T025: ProjectEquipment and ProjectCrew Models + Migration
+
+**Status**: ✅ Abgeschlossen
+
+### Erstellt
+- `backend/app/models/project.py` – Added ProjectEquipmentGroup, ProjectEquipment, ProjectCrew SQLAlchemy models with relationships
+- `backend/app/models/__init__.py` – Imported new models
+- `backend/alembic/versions/b183c967088f_add_project_equipment_and_crew.py` – Alembic migration (autogenerated, applied)
+
+### Checks
+- Backend start: OK (no ImportError)
+- Health: 200
+- Auth: Registration + Login → Token
+- Endpoints: /projects, /contacts, /equipment, /crew all return 200
+
+### Nächster Task
+**T026**: Implement project equipment group and items API