diff --git a/core/src/main/java/cz/muni/fi/pa165/core/service/flight/FlightService.java b/core/src/main/java/cz/muni/fi/pa165/core/service/flight/FlightService.java
new file mode 100644
index 0000000000000000000000000000000000000000..90fe670e25026784622113a94dbd7561fbd2cf30
--- /dev/null
+++ b/core/src/main/java/cz/muni/fi/pa165/core/service/flight/FlightService.java
@@ -0,0 +1,8 @@
+package cz.muni.fi.pa165.core.service.flight;
+
+import cz.muni.fi.pa165.core.data.domain.Flight;
+import cz.muni.fi.pa165.core.service.common.BaseService;
+
+public interface FlightService extends BaseService<Flight, Long> {
+
+}
diff --git a/core/src/main/java/cz/muni/fi/pa165/core/service/flight/FlightServiceImpl.java b/core/src/main/java/cz/muni/fi/pa165/core/service/flight/FlightServiceImpl.java
new file mode 100644
index 0000000000000000000000000000000000000000..dd4cfd30b1eeb74269951346e08ebe5dc08aa11b
--- /dev/null
+++ b/core/src/main/java/cz/muni/fi/pa165/core/service/flight/FlightServiceImpl.java
@@ -0,0 +1,19 @@
+package cz.muni.fi.pa165.core.service.flight;
+
+import cz.muni.fi.pa165.core.data.domain.Flight;
+import cz.muni.fi.pa165.core.data.repository.flight.FlightRepository;
+import cz.muni.fi.pa165.core.service.common.BaseServiceImpl;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+@Service
+public class FlightServiceImpl extends BaseServiceImpl<Flight, Long> implements FlightService {
+
+    private final FlightRepository flightRepository;
+
+    @Autowired
+    public FlightServiceImpl(FlightRepository flightRepository) {
+        super(flightRepository);
+        this.flightRepository = flightRepository;
+    }
+}
diff --git a/core/src/main/java/cz/muni/fi/pa165/core/service/steward/StewardService.java b/core/src/main/java/cz/muni/fi/pa165/core/service/steward/StewardService.java
new file mode 100644
index 0000000000000000000000000000000000000000..1c832999398bf22bcc2ac54988f1f9153d441279
--- /dev/null
+++ b/core/src/main/java/cz/muni/fi/pa165/core/service/steward/StewardService.java
@@ -0,0 +1,8 @@
+package cz.muni.fi.pa165.core.service.steward;
+
+import cz.muni.fi.pa165.core.data.domain.Steward;
+import cz.muni.fi.pa165.core.service.common.BaseService;
+
+public interface StewardService extends BaseService<Steward, Long> {
+
+}
diff --git a/core/src/main/java/cz/muni/fi/pa165/core/service/steward/StewardServiceImpl.java b/core/src/main/java/cz/muni/fi/pa165/core/service/steward/StewardServiceImpl.java
new file mode 100644
index 0000000000000000000000000000000000000000..90800d31e6f3bb564595ee07d585d57c24040c77
--- /dev/null
+++ b/core/src/main/java/cz/muni/fi/pa165/core/service/steward/StewardServiceImpl.java
@@ -0,0 +1,19 @@
+package cz.muni.fi.pa165.core.service.steward;
+
+import cz.muni.fi.pa165.core.data.domain.Steward;
+import cz.muni.fi.pa165.core.data.repository.steward.StewardRepository;
+import cz.muni.fi.pa165.core.service.common.BaseServiceImpl;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+@Service
+public class StewardServiceImpl extends BaseServiceImpl<Steward, Long> implements StewardService {
+
+    private final StewardRepository stewardRepository;
+
+    @Autowired
+    public StewardServiceImpl(StewardRepository stewardRepository) {
+        super(stewardRepository);
+        this.stewardRepository = stewardRepository;
+    }
+}