diff --git a/app/dashboard/page.tsx b/app/dashboard/page.tsx
index becabb2..1338df5 100644
--- a/app/dashboard/page.tsx
+++ b/app/dashboard/page.tsx
@@ -56,7 +56,7 @@ export default function DashboardPage() {
   const personnelIssues = data.personnel?.non_compliant || 0;
 
   return (
-    <PageLayout title="📊 Дашборд АСУ ТК" subtitle="Калининградский филиал — контроль лётной годности">
+    <PageLayout title="📊 Дашборд АСУ ТК" subtitle="REFLY — система контроля лётной годности">
       {loading ? <div className="text-center py-16 text-gray-400">⏳ Загрузка данных...</div> : (
         <div className="space-y-6">
           {/* Critical alerts banner */}
diff --git a/app/layout.tsx b/app/layout.tsx
index bbd6978..6a18706 100644
--- a/app/layout.tsx
+++ b/app/layout.tsx
@@ -5,6 +5,7 @@ import './globals.css'
 import { Providers } from './providers'
 import ErrorBoundary from '@/components/ErrorBoundary'
 import SkipToMain from '@/components/SkipToMain'
+import AIAssistant from '@/components/AIAssistant'
 
 export const metadata: Metadata = {
   title: 'REFLY — Контроль лётной годности',
@@ -30,7 +31,8 @@ export default function RootLayout({
         <Providers>
           <ErrorBoundary>
             <SkipToMain />
-          {children}
+            {children}
+            <AIAssistant />
           </ErrorBoundary>
         </Providers>
         <Script id="sw-register" strategy="afterInteractive">
diff --git a/backend/app/api/routes/__init__.py b/backend/app/api/routes/__init__.py
index 0709620..a9c5d36 100644
--- a/backend/app/api/routes/__init__.py
+++ b/backend/app/api/routes/__init__.py
@@ -16,7 +16,7 @@ from .checklist_audits import router as checklist_audits_router
 from .inbox import router as inbox_router
 from .tasks import router as tasks_router
 from .audit import router as audit_router
-from .ai import router as ai_router
+from .ai_assistant import router as ai_router
 from .document_templates import router as document_templates_router
 
 __all__ = [
diff --git a/backend/app/api/routes/ai_assistant.py b/backend/app/api/routes/ai_assistant.py
new file mode 100644
index 0000000..d5222c1
--- /dev/null
+++ b/backend/app/api/routes/ai_assistant.py
@@ -0,0 +1,77 @@
+"""AI-помощник REFLY — чат с контекстом из БД (для демо и докладов)."""
+from fastapi import APIRouter, Depends, HTTPException
+from pydantic import BaseModel
+
+from app.api.deps import get_current_user
+from app.core.config import settings
+from app.db.session import SessionLocal
+import httpx
+
+router = APIRouter(prefix="/ai", tags=["AI Assistant"])
+
+
+class ChatRequest(BaseModel):
+    message: str
+
+
+class ChatResponse(BaseModel):
+    reply: str
+
+
+@router.post("/chat", response_model=ChatResponse)
+async def ai_chat(req: ChatRequest, user=Depends(get_current_user)):
+    api_key = getattr(settings, "ANTHROPIC_API_KEY", None) or ""
+    if not api_key or api_key == "":
+        raise HTTPException(400, "AI assistant not configured")
+
+    db = SessionLocal()
+    try:
+        from app.models.aircraft_db import Aircraft
+        from app.models.organization import Organization
+
+        aircraft_count = db.query(Aircraft).count()
+        org_count = db.query(Organization).count()
+        context = (
+            f"В системе: {aircraft_count} воздушных судов, {org_count} организаций. "
+            f"Роль пользователя: {user.role}. Имя: {user.display_name}."
+        )
+    finally:
+        db.close()
+
+    system_prompt = f"""Ты — AI-помощник системы REFLY АСУ ТК (контроль лётной годности воздушных судов).
+Ты помогаешь с вопросами о:
+- Состоянии воздушных судов и их лётной годности
+- Директивах лётной годности и сервисных бюллетенях
+- Планировании ТО и инспекций
+- Нормативных документах (ФАП, EASA, ICAO)
+- Сертификации и допусках
+- Управлении рисками безопасности полётов
+
+Контекст системы: {context}
+
+Отвечай на русском языке. Будь конкретным и профессиональным.
+Используй авиационную терминологию где уместно."""
+
+    async with httpx.AsyncClient(timeout=30.0) as client:
+        resp = await client.post(
+            "https://api.anthropic.com/v1/messages",
+            headers={
+                "x-api-key": api_key,
+                "anthropic-version": "2023-06-01",
+                "content-type": "application/json",
+            },
+            json={
+                "model": getattr(settings, "ANTHROPIC_MODEL", "claude-sonnet-4-20250514"),
+                "max_tokens": 1024,
+                "system": system_prompt,
+                "messages": [{"role": "user", "content": req.message}],
+            },
+        )
+
+    if resp.status_code != 200:
+        raise HTTPException(502, f"AI service error: {resp.status_code}")
+
+    data = resp.json()
+    content = data.get("content", [{}])
+    reply = content[0].get("text", "Ошибка получения ответа") if content else "Ошибка получения ответа"
+    return ChatResponse(reply=reply)
diff --git a/backend/app/api/routes/aircraft.py b/backend/app/api/routes/aircraft.py
index d417f84..840c9aa 100644
--- a/backend/app/api/routes/aircraft.py
+++ b/backend/app/api/routes/aircraft.py
@@ -37,9 +37,9 @@ def _serialize_aircraft(a: Aircraft, db: Session) -> AircraftOut:
         "serial_number": a.serial_number,
         "manufacture_date": getattr(a, 'manufacture_date', None),
         "first_flight_date": getattr(a, 'first_flight_date', None),
-        "total_time": float(a.total_time) if a.total_time is not None else None,
+        "total_time": float(a.total_time) if getattr(a, 'total_time', None) is not None else None,
         "total_cycles": getattr(a, 'total_cycles', None),
-        "current_status": getattr(a, 'current_status', 'in_service') or "in_service",
+        "current_status": getattr(a, 'current_status', None) or getattr(a, 'status', 'in_service') or "in_service",
         "configuration": getattr(a, 'configuration', None),
         "drawing_numbers": getattr(a, 'drawing_numbers', None),
         "work_completion_date": getattr(a, 'work_completion_date', None),
@@ -81,7 +81,7 @@ def list_aircraft(
     """List aircraft with pagination. Returns {items, total, page, per_page, pages}."""
     query = _base_query(db, user)
     if q:
-        query = query.filter(or_(Aircraft.registration_number.ilike(f"%{q}%"), Aircraft.drawing_numbers.ilike(f"%{q}%")))
+        query = query.filter(Aircraft.registration_number.ilike(f"%{q}%"))
     query = query.order_by(Aircraft.registration_number)
     total = query.count()
     items_raw = query.offset((page - 1) * per_page).limit(per_page).all()
diff --git a/backend/app/demo/seed_full_demo.py b/backend/app/demo/seed_full_demo.py
new file mode 100644
index 0000000..9e02324
--- /dev/null
+++ b/backend/app/demo/seed_full_demo.py
@@ -0,0 +1,261 @@
+"""
+Полное наполнение демо-данными для доклада: пользователи, аудиты, дефекты, заявки, риски, персонал ПЛГ.
+Запускается из main.py lifespan после seed_checklists и seed_organizations.
+"""
+import logging
+import uuid
+from datetime import datetime, timezone, timedelta
+
+from app.db.session import SessionLocal
+from app.models import (
+    User,
+    Organization,
+    Audit,
+    ChecklistTemplate,
+    CertApplication,
+    CertApplicationStatus,
+    RiskAlert,
+)
+from app.models.aircraft_db import Aircraft
+from app.models.personnel_plg import PLGSpecialist, PLGQualification
+
+logger = logging.getLogger(__name__)
+
+
+def _get_org_id(db, name_substr: str):
+    o = db.query(Organization).filter(Organization.name.ilike(f"%{name_substr}%")).first()
+    return str(o.id) if o else None
+
+
+def _get_aircraft_id_by_reg(db, reg: str):
+    a = db.query(Aircraft).filter(Aircraft.registration_number == reg).first()
+    return str(a.id) if a else None
+
+
+def _get_first_aircraft_id(db):
+    a = db.query(Aircraft).first()
+    return str(a.id) if a else None
+
+
+def _get_template_id(db):
+    t = db.query(ChecklistTemplate).first()
+    return str(t.id) if t else None
+
+
+def seed_full_demo():
+    db = SessionLocal()
+    try:
+        # ─── 1. Пользователи ─────────────────────────────────────────────
+        demo_users = [
+            ("Иванов Сергей А.", "ivanov@refly.ru", "admin", None),
+            ("Петрова Елена В.", "petrova@refly.ru", "authority_inspector", None),
+            ("Козлов Дмитрий И.", "kozlov@refly.ru", "operator_manager", "S7"),
+            ("Сидорова Анна М.", "sidorova@refly.ru", "operator_user", "S7"),
+            ("Волков Алексей Н.", "volkov@refly.ru", "mro_manager", "Домодедово"),
+            ("Морозова Ольга С.", "morozova@refly.ru", "mro_user", "Домодедово"),
+            ("Николаев Павел Р.", "nikolaev@refly.ru", "authority_inspector", None),
+            ("Федорова Мария К.", "fedorova@refly.ru", "operator_user", "Smartavia"),
+        ]
+        created_users = {}
+        for display_name, email, role, org_key in demo_users:
+            if db.query(User).filter(User.email == email).first():
+                continue
+            org_id = _get_org_id(db, org_key) if org_key else None
+            uid = str(uuid.uuid4())
+            db.add(
+                User(
+                    id=uid,
+                    external_subject=f"demo-{email}",
+                    display_name=display_name,
+                    email=email,
+                    role=role,
+                    organization_id=org_id,
+                )
+            )
+            created_users[email] = uid
+        db.commit()
+        logger.info("seed_full_demo: users checked/created")
+
+        # ─── 2. Аудиты (нужен template_id и aircraft_id) ─────────────────
+        template_id = _get_template_id(db)
+        first_aircraft_id = _get_first_aircraft_id(db)
+        inspector_id = db.query(User).filter(User.role == "authority_inspector").first()
+        inspector_id = str(inspector_id.id) if inspector_id else None
+
+        if template_id and first_aircraft_id and inspector_id:
+            audits_data = [
+                ("Плановая проверка ТОиР S7 Airlines", "completed", "scheduled"),
+                ("Внеплановая проверка после инцидента", "in_progress", "unscheduled"),
+                ("Сертификационный аудит АТЦ Домодедово", "draft", "certification"),
+                ("Проверка СМК авиакомпании Smartavia", "completed", "scheduled"),
+                ("Инспекция рампы Шереметьево", "in_progress", "ramp"),
+                ("Аудит системы управления безопасностью", "draft", "sms"),
+            ]
+            base_date = datetime(2025, 6, 1, tzinfo=timezone.utc)
+            existing_count = db.query(Audit).count()
+            if existing_count >= len(audits_data):
+                pass  # already enough
+            else:
+                for i, (title, status, audit_type) in enumerate(audits_data):
+                    if existing_count + i >= len(audits_data):
+                        break
+                    planned = base_date + timedelta(days=30 * i)
+                    completed = planned + timedelta(days=2) if status == "completed" else None
+                    a = Audit(
+                        template_id=template_id,
+                        aircraft_id=first_aircraft_id,
+                        status=status,
+                        planned_at=planned,
+                        completed_at=completed,
+                        inspector_user_id=inspector_id,
+                        notes=f"{audit_type}: {title}",
+                    )
+                    db.add(a)
+            db.commit()
+            logger.info("seed_full_demo: audits checked/created")
+
+        # ─── 3. Дефекты (in-memory _defects в роуте) ───────────────────
+        try:
+            from app.api.routes.defects import _defects
+
+            aircraft_regs = [r[0] for r in db.query(Aircraft.registration_number).limit(5).all()]
+            reg = aircraft_regs[0] if aircraft_regs else "RA-00000"
+            defects_demo = [
+                ("Трещина обшивки фюзеляжа секция 41", "critical", "open"),
+                ("Течь гидросистемы левая стойка шасси", "high", "deferred"),
+                ("Коррозия лонжерона крыла зона 2", "high", "open"),
+                ("Неисправность датчика угла атаки", "critical", "rectified"),
+                ("Износ тормозных дисков выше допуска", "medium", "open"),
+                ("Повреждение обтекателя антенны", "low", "closed"),
+                ("Утечка топлива бак №2", "critical", "open"),
+                ("Вибрация двигателя №1 выше нормы", "high", "deferred"),
+            ]
+            for desc, severity, status in defects_demo:
+                if any(d.get("description") == desc for d in _defects.values()):
+                    continue
+                did = str(uuid.uuid4())
+                _defects[did] = {
+                    "id": did,
+                    "aircraft_reg": reg,
+                    "description": desc,
+                    "severity": severity,
+                    "status": status,
+                    "ata_chapter": "32" if "шасси" in desc else "53" if "топлив" in desc else "21",
+                    "created_at": datetime.now(timezone.utc).isoformat(),
+                }
+            logger.info("seed_full_demo: defects (in-memory) populated")
+        except Exception as e:
+            logger.warning("seed_full_demo: defects skip %s", e)
+
+        # ─── 4. Заявки на сертификацию ─────────────────────────────────
+        app_org = db.query(Organization).filter(Organization.kind == "operator").first()
+        app_user = db.query(User).filter(User.role == "operator_manager").first()
+        if app_org and app_user:
+            apps_data = [
+                ("Заявка на СЛГ RA-89060", CertApplicationStatus.APPROVED, "airworthiness_certificate"),
+                ("Заявка на одобрение ТОиР АТЦ Кольцово", CertApplicationStatus.UNDER_REVIEW, "mro_approval"),
+                ("Продление СЛГ RA-73801", CertApplicationStatus.SUBMITTED, "renewal"),
+                ("Заявка на допуск ETOPS", CertApplicationStatus.DRAFT, "special_approval"),
+                ("Сертификация нового типа Ту-214", CertApplicationStatus.UNDER_REVIEW, "type_certificate"),
+            ]
+            for i, (subject, status, app_type) in enumerate(apps_data):
+                num = f"KLG-DEMO-{datetime.now().strftime('%Y%m%d')}-{1001 + i}"
+                if db.query(CertApplication).filter(CertApplication.number == num).first():
+                    continue
+                db.add(
+                    CertApplication(
+                        applicant_org_id=str(app_org.id),
+                        created_by_user_id=str(app_user.id),
+                        number=num,
+                        status=status,
+                        subject=f"[{app_type}] {subject}",
+                        description=subject,
+                        submitted_at=datetime.now(timezone.utc) - timedelta(days=5 - i)
+                        if status != CertApplicationStatus.DRAFT
+                        else None,
+                    )
+                )
+            db.commit()
+            logger.info("seed_full_demo: cert applications checked/created")
+
+        # ─── 5. Риски (RiskAlert) ──────────────────────────────────────
+        risk_titles = [
+            ("Просрочка директивы лётной годности AD-2025-0142", "critical", False),
+            ("Недостаточная квалификация персонала ТОиР", "high", True),
+            ("Устаревшее оборудование контроля", "medium", False),
+            ("Нарушение сроков периодического ТО", "high", False),
+            ("Отсутствие резервных компонентов", "medium", True),
+            ("Риск усталостного разрушения фюзеляжа", "critical", True),
+        ]
+        ac_id = _get_first_aircraft_id(db)
+        for title, severity, resolved in risk_titles:
+            if db.query(RiskAlert).filter(RiskAlert.title == title).first():
+                continue
+            db.add(
+                RiskAlert(
+                    entity_type="directive",
+                    entity_id=str(uuid.uuid4()),
+                    aircraft_id=ac_id,
+                    severity=severity,
+                    title=title,
+                    message=title,
+                    due_at=datetime.now(timezone.utc) + timedelta(days=30),
+                    is_resolved=resolved,
+                    resolved_at=datetime.now(timezone.utc) if resolved else None,
+                )
+            )
+        db.commit()
+        logger.info("seed_full_demo: risk_alerts checked/created")
+
+        # ─── 6. Персонал ПЛГ (PLGSpecialist + PLGQualification) ──────────
+        plg_org = db.query(Organization).filter(Organization.kind == "operator").first()
+        if plg_org:
+            specialists_data = [
+                ("Петрова Елена В.", "ПЕТРОВА-001", "Инспектор ЛГ", "I", "LIC-2024-001", "2026-12-01"),
+                ("Волков Алексей Н.", "ВОЛКОВ-001", "Инженер ТОиР", "B2", "LIC-2024-002", "2026-08-15"),
+                ("Морозова Ольга С.", "МОРОЗОВА-001", "Авиатехник B1", "B1", "LIC-2024-003", "2026-03-20"),
+                ("Козлов Дмитрий И.", "КОЗЛОВ-001", "Пилот CAT.A", "CAT-A", "LIC-2024-004", "2027-01-10"),
+            ]
+            for full_name, personnel_number, position, category, license_no, expires in specialists_data:
+                if db.query(PLGSpecialist).filter(PLGSpecialist.personnel_number == personnel_number).first():
+                    continue
+                exp_dt = datetime.strptime(expires, "%Y-%m-%d").date()
+                spec = PLGSpecialist(
+                    organization_id=str(plg_org.id),
+                    full_name=full_name,
+                    personnel_number=personnel_number,
+                    position=position,
+                    category=category,
+                    license_number=license_no,
+                    license_expires=exp_dt,
+                    status="active",
+                )
+                db.add(spec)
+                db.flush()
+                # одна квалификация на специалиста
+                q = PLGQualification(
+                    specialist_id=spec.id,
+                    program_id="PQ-001",
+                    program_name=f"ПК по {position}",
+                    program_type="periodic",
+                    date_start=exp_dt - timedelta(days=365),
+                    date_end=exp_dt,
+                    hours_total=40,
+                    result="passed",
+                    next_due=exp_dt,
+                )
+                db.add(q)
+            db.commit()
+            logger.info("seed_full_demo: personnel PLG checked/created")
+
+    except Exception as e:
+        db.rollback()
+        logger.exception("seed_full_demo failed: %s", e)
+        raise
+    finally:
+        db.close()
+
+
+if __name__ == "__main__":
+    logging.basicConfig(level=logging.INFO)
+    seed_full_demo()
diff --git a/backend/app/main.py b/backend/app/main.py
index 9523a68..8c69f4b 100644
--- a/backend/app/main.py
+++ b/backend/app/main.py
@@ -72,6 +72,12 @@ async def lifespan(app: FastAPI):
     except Exception as e:
         import logging
         logging.getLogger(__name__).warning("Aircraft demo seed skipped: %s", e)
+    try:
+        from app.demo.seed_full_demo import seed_full_demo
+        seed_full_demo()
+    except Exception as e:
+        import logging
+        logging.getLogger(__name__).warning("Full demo seed skipped: %s", e)
     # Планировщик рисков (передаём app для shutdown hook)
     setup_scheduler(app)
     yield
diff --git a/components/AIAssistant.tsx b/components/AIAssistant.tsx
new file mode 100644
index 0000000..2a90cff
--- /dev/null
+++ b/components/AIAssistant.tsx
@@ -0,0 +1,144 @@
+'use client';
+
+import { useState, useRef, useEffect } from 'react';
+import { getAuthToken } from '@/lib/api/api-client';
+
+interface Message {
+  role: 'user' | 'assistant';
+  content: string;
+}
+
+export default function AIAssistant() {
+  const [isOpen, setIsOpen] = useState(false);
+  const [messages, setMessages] = useState<Message[]>([
+    {
+      role: 'assistant',
+      content:
+        'Здравствуйте! Я AI-помощник REFLY. Спросите меня о лётной годности, ТО, директивах или рисках.',
+    },
+  ]);
+  const [input, setInput] = useState('');
+  const [loading, setLoading] = useState(false);
+  const messagesEndRef = useRef<HTMLDivElement>(null);
+
+  useEffect(() => {
+    messagesEndRef.current?.scrollIntoView({ behavior: 'smooth' });
+  }, [messages]);
+
+  const sendMessage = async () => {
+    if (!input.trim() || loading) return;
+    const userMsg = input.trim();
+    setInput('');
+    setMessages((prev) => [...prev, { role: 'user', content: userMsg }]);
+    setLoading(true);
+
+    try {
+      const token =
+        typeof window !== 'undefined'
+          ? (getAuthToken() || document.cookie.match(/auth-token=([^;]+)/)?.[1] || 'dev')
+          : 'dev';
+
+      const res = await fetch('/api/v1/ai/chat', {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json',
+          Authorization: `Bearer ${token}`,
+        },
+        body: JSON.stringify({ message: userMsg }),
+      });
+
+      if (!res.ok) throw new Error('AI service unavailable');
+      const data = await res.json();
+      setMessages((prev) => [...prev, { role: 'assistant', content: data.reply }]);
+    } catch {
+      setMessages((prev) => [
+        ...prev,
+        {
+          role: 'assistant',
+          content: 'Извините, не удалось получить ответ. Попробуйте позже.',
+        },
+      ]);
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  return (
+    <>
+      <button
+        type="button"
+        onClick={() => setIsOpen(!isOpen)}
+        className="fixed bottom-6 right-6 z-50 w-14 h-14 rounded-full bg-blue-600 text-white shadow-lg hover:bg-blue-700 transition-all flex items-center justify-center text-2xl"
+        title="AI Помощник"
+        aria-label={isOpen ? 'Закрыть чат' : 'Открыть AI Помощник'}
+      >
+        {isOpen ? '✕' : '🤖'}
+      </button>
+
+      {isOpen && (
+        <div
+          className="fixed bottom-24 right-6 z-50 w-96 max-w-[calc(100vw-3rem)] h-[500px] bg-white rounded-2xl shadow-2xl border border-gray-200 flex flex-col overflow-hidden"
+          role="dialog"
+          aria-label="Чат с AI-помощником"
+        >
+          <div className="bg-blue-600 text-white px-4 py-3 flex items-center gap-2">
+            <span className="text-xl" aria-hidden>🤖</span>
+            <div>
+              <div className="font-semibold text-sm">AI Помощник REFLY</div>
+              <div className="text-xs opacity-80">Контроль лётной годности</div>
+            </div>
+          </div>
+
+          <div className="flex-1 overflow-y-auto p-3 space-y-3">
+            {messages.map((msg, i) => (
+              <div
+                key={i}
+                className={`flex ${msg.role === 'user' ? 'justify-end' : 'justify-start'}`}
+              >
+                <div
+                  className={`max-w-[80%] px-3 py-2 rounded-xl text-sm whitespace-pre-wrap ${
+                    msg.role === 'user'
+                      ? 'bg-blue-600 text-white rounded-br-sm'
+                      : 'bg-gray-100 text-gray-800 rounded-bl-sm'
+                  }`}
+                >
+                  {msg.content}
+                </div>
+              </div>
+            ))}
+            {loading && (
+              <div className="flex justify-start">
+                <div className="bg-gray-100 px-3 py-2 rounded-xl text-sm text-gray-500">
+                  Думаю...
+                </div>
+              </div>
+            )}
+            <div ref={messagesEndRef} />
+          </div>
+
+          <div className="p-3 border-t flex gap-2">
+            <input
+              type="text"
+              value={input}
+              onChange={(e) => setInput(e.target.value)}
+              onKeyDown={(e) => e.key === 'Enter' && sendMessage()}
+              placeholder="Задайте вопрос..."
+              className="flex-1 px-3 py-2 border rounded-lg text-sm focus:outline-none focus:ring-2 focus:ring-blue-500"
+              disabled={loading}
+              aria-label="Сообщение"
+            />
+            <button
+              type="button"
+              onClick={sendMessage}
+              disabled={loading || !input.trim()}
+              className="px-4 py-2 bg-blue-600 text-white rounded-lg text-sm hover:bg-blue-700 disabled:opacity-50"
+              aria-label="Отправить"
+            >
+              →
+            </button>
+          </div>
+        </div>
+      )}
+    </>
+  );
+}