diff --git a/src/blackcore/airspacemonitor.cpp b/src/blackcore/airspacemonitor.cpp
index aadc73468..27f898169 100644
--- a/src/blackcore/airspacemonitor.cpp
+++ b/src/blackcore/airspacemonitor.cpp
@@ -583,7 +583,7 @@ namespace BlackCore
             for (CAtcStation &bookedStation : newBookedStations)
             {
                 // exchange booking and online data, both sides are updated
-                this->m_atcStationsOnline.syncronizeWithBookedStation(bookedStation);
+                this->m_atcStationsOnline.synchronizeWithBookedStation(bookedStation);
             }
             this->m_atcStationsBooked = newBookedStations;
         }
@@ -657,7 +657,7 @@ namespace BlackCore
             if (this->m_atcStationsBooked.containsCallsign(callsign))
             {
                 CAtcStation bookedStation(this->m_atcStationsBooked.findFirstByCallsign(callsign));
-                station.syncronizeWithBookedStation(bookedStation); // both will be aligned
+                station.synchronizeWithBookedStation(bookedStation); // both will be aligned
                 this->m_atcStationsBooked.replaceIf(&CAtcStation::getCallsign, callsign, bookedStation);
             }
 
diff --git a/src/blackcore/application.h b/src/blackcore/application.h
index 56098e9fd..df9f9a876 100644
--- a/src/blackcore/application.h
+++ b/src/blackcore/application.h
@@ -140,7 +140,7 @@ namespace BlackCore
         //! Delete all cookies from cookier manager
         void deleteAllCookies();
 
-        //! Setup already syncronized
+        //! Setup already synchronized
         bool isSetupAvailable() const;
 
         //! Reload setup and version
@@ -358,7 +358,7 @@ namespace BlackCore
         void webDataServicesStarted(bool success);
 
     protected slots:
-        //! Setup read/syncronized
+        //! Setup read/synchronized
         void ps_setupAvailable(bool available);
 
         //! Startup completed
diff --git a/src/blackcore/db/modeldatareader.cpp b/src/blackcore/db/modeldatareader.cpp
index af1a1492e..17f2c6dbc 100644
--- a/src/blackcore/db/modeldatareader.cpp
+++ b/src/blackcore/db/modeldatareader.cpp
@@ -359,7 +359,7 @@ namespace BlackCore
                 models = CAircraftModelList::fromDatabaseJson(res);
             }
 
-            // syncronized update
+            // synchronized update
             const int n = models.size();
             qint64 latestTimestamp = models.latestTimestampMsecsSinceEpoch();
             if (n > 0 && latestTimestamp < 0)
diff --git a/src/blackcore/webdataservices.cpp b/src/blackcore/webdataservices.cpp
index 504634e5c..7a742d2e0 100644
--- a/src/blackcore/webdataservices.cpp
+++ b/src/blackcore/webdataservices.cpp
@@ -55,7 +55,7 @@ namespace BlackCore
         if (!sApp) { return; } // shutting down
 
         Q_ASSERT_X(QSslSocket::supportsSsl(), Q_FUNC_INFO, "missing SSL support");
-        Q_ASSERT_X(sApp->isSetupAvailable(), Q_FUNC_INFO, "Setup not syncronized");
+        Q_ASSERT_X(sApp->isSetupAvailable(), Q_FUNC_INFO, "Setup not synchronized");
         this->setObjectName("CWebDataReader");
 
         // check if I need info objects
diff --git a/src/blackgui/components/dbownmodelscomponent.cpp b/src/blackgui/components/dbownmodelscomponent.cpp
index 4f4032493..00c074cf9 100644
--- a/src/blackgui/components/dbownmodelscomponent.cpp
+++ b/src/blackgui/components/dbownmodelscomponent.cpp
@@ -193,7 +193,7 @@ namespace BlackGui
                 this->m_modelLoader->gracefulShutdown();
             }
 
-            // create loader, also syncronizes the caches
+            // create loader, also synchronizes the caches
             this->m_modelLoader = IAircraftModelLoader::createModelLoader(simulator); // last selected simulator or explicit given
             if (!this->m_modelLoader || !this->m_modelLoader->supportsSimulator(simulator))
             {
diff --git a/src/blackmisc/aviation/atcstation.cpp b/src/blackmisc/aviation/atcstation.cpp
index be9de4aca..ea0650512 100644
--- a/src/blackmisc/aviation/atcstation.cpp
+++ b/src/blackmisc/aviation/atcstation.cpp
@@ -190,7 +190,7 @@ namespace BlackMisc
             this->m_frequency.setUnit(CFrequencyUnit::MHz());
         }
 
-        void CAtcStation::syncronizeControllerData(CAtcStation &otherStation)
+        void CAtcStation::synchronizeControllerData(CAtcStation &otherStation)
         {
             if (this->m_controller == otherStation.getController()) { return; }
             CUser otherController = otherStation.getController();
@@ -198,7 +198,7 @@ namespace BlackMisc
             otherStation.setController(otherController);
         }
 
-        void CAtcStation::syncronizeWithBookedStation(CAtcStation &bookedStation)
+        void CAtcStation::synchronizeWithBookedStation(CAtcStation &bookedStation)
         {
             if (bookedStation.getCallsign() != this->getCallsign()) { return; }
 
@@ -261,7 +261,7 @@ namespace BlackMisc
             }
 
             // both ways
-            this->syncronizeControllerData(bookedStation);
+            this->synchronizeControllerData(bookedStation);
             if (this->hasValidRelativeDistance())
             {
                 bookedStation.setRelativeDistance(this->getRelativeDistance());
diff --git a/src/blackmisc/aviation/atcstation.h b/src/blackmisc/aviation/atcstation.h
index b1b489c09..8d5788004 100644
--- a/src/blackmisc/aviation/atcstation.h
+++ b/src/blackmisc/aviation/atcstation.h
@@ -143,14 +143,14 @@ namespace BlackMisc
             //! Set position
             void setPosition(const BlackMisc::Geo::CCoordinateGeodetic &position) { this->m_position = position; }
 
-            //! Syncronize controller data
+            //! Synchronize controller data
             //! Updates two stations (normally a booked and online ATC station) with complementary data
-            void syncronizeControllerData(CAtcStation &otherStation);
+            void synchronizeControllerData(CAtcStation &otherStation);
 
-            //! Syncronize station data
+            //! Synchronize station data
             //! Updates the two stations (a booked and online ATC station) with complementary data
             //! \pre this object is the online station, the passed station the booked station
-            void syncronizeWithBookedStation(CAtcStation &bookedStation);
+            void synchronizeWithBookedStation(CAtcStation &bookedStation);
 
             //! Get the radius of the controller's area of visibility.
             const BlackMisc::PhysicalQuantities::CLength &getRange() const { return m_range; }
diff --git a/src/blackmisc/aviation/atcstationlist.cpp b/src/blackmisc/aviation/atcstationlist.cpp
index 9690f0bff..8ac88ad0b 100644
--- a/src/blackmisc/aviation/atcstationlist.cpp
+++ b/src/blackmisc/aviation/atcstationlist.cpp
@@ -57,7 +57,7 @@ namespace BlackMisc
             return this->findBy(Predicates::MemberValid(&CAtcStation::getController)).transform(Predicates::MemberTransform(&CAtcStation::getController));
         }
 
-        int CAtcStationList::syncronizeWithBookedStation(CAtcStation &bookedAtcStation)
+        int CAtcStationList::synchronizeWithBookedStation(CAtcStation &bookedAtcStation)
         {
             int c = 0;
             bookedAtcStation.setOnline(false); // reset
@@ -66,7 +66,7 @@ namespace BlackMisc
             for (auto i = this->begin(); i != this->end(); ++i)
             {
                 if (i->getCallsign() != bookedAtcStation.getCallsign()) { continue; }
-                i->syncronizeWithBookedStation(bookedAtcStation);
+                i->synchronizeWithBookedStation(bookedAtcStation);
                 c++;
             }
 
diff --git a/src/blackmisc/aviation/atcstationlist.h b/src/blackmisc/aviation/atcstationlist.h
index c0dcb85f8..2a6fdd208 100644
--- a/src/blackmisc/aviation/atcstationlist.h
+++ b/src/blackmisc/aviation/atcstationlist.h
@@ -59,10 +59,10 @@ namespace BlackMisc
             //! All controllers (with valid data)
             BlackMisc::Network::CUserList getControllers() const;
 
-            //! Syncronize with ATC station representing booking information.
+            //! Synchronize with ATC station representing booking information.
             //! Both sides (booking, online station) will be updated.
             //! \pre Can be used only if the stored data in this list are online ATC stations
-            int syncronizeWithBookedStation(CAtcStation &bookedAtcStation);
+            int synchronizeWithBookedStation(CAtcStation &bookedAtcStation);
         };
 
     } //namespace
diff --git a/src/blackmisc/simulation/aircraftmodelloader.h b/src/blackmisc/simulation/aircraftmodelloader.h
index 97a12c5b4..81387302c 100644
--- a/src/blackmisc/simulation/aircraftmodelloader.h
+++ b/src/blackmisc/simulation/aircraftmodelloader.h
@@ -132,7 +132,7 @@ namespace BlackMisc
             virtual void updateModels(const CAircraftModelList &models, const CSimulatorInfo &simulator) override  { this->replaceOrAddCachedModels(models, simulator); }
             //! @}
 
-            //! Create a loader and syncronize caches
+            //! Create a loader and synchronize caches
             static std::unique_ptr<IAircraftModelLoader> createModelLoader(const BlackMisc::Simulation::CSimulatorInfo &simulator);
 
         public slots:
diff --git a/src/blackmisc/simulation/simulatedaircraft.h b/src/blackmisc/simulation/simulatedaircraft.h
index a7a845fec..400b30cb8 100644
--- a/src/blackmisc/simulation/simulatedaircraft.h
+++ b/src/blackmisc/simulation/simulatedaircraft.h
@@ -429,7 +429,7 @@ namespace BlackMisc
             bool m_partsSynchronized = false;   //!< synchronize parts
             bool m_fastPositionUpdates = false; //!< use fast position updates
 
-            //! Init, which syncronizes some denormalized values
+            //! Init, which synchronizes some denormalized values
             void init();
 
             BLACK_METACLASS(
diff --git a/src/blackmisc/simulation/simulatedaircraftlist.cpp b/src/blackmisc/simulation/simulatedaircraftlist.cpp
index 8c2e5c925..a4edd6fb0 100644
--- a/src/blackmisc/simulation/simulatedaircraftlist.cpp
+++ b/src/blackmisc/simulation/simulatedaircraftlist.cpp
@@ -56,7 +56,7 @@ namespace BlackMisc
             return this->findBy(&CSimulatedAircraft::isVtol, vtol);
         }
 
-        CCallsignSet CSimulatedAircraftList::getCallsignsWithSyncronizedParts() const
+        CCallsignSet CSimulatedAircraftList::getCallsignsWithSynchronizedParts() const
         {
             CCallsignSet csl;
             for (const CSimulatedAircraft &aircraft : (*this))
diff --git a/src/blackmisc/simulation/simulatedaircraftlist.h b/src/blackmisc/simulation/simulatedaircraftlist.h
index fbd31c448..09f287f0d 100644
--- a/src/blackmisc/simulation/simulatedaircraftlist.h
+++ b/src/blackmisc/simulation/simulatedaircraftlist.h
@@ -68,7 +68,7 @@ namespace BlackMisc
             CSimulatedAircraftList findByVtol(bool vtol) const;
 
             //! Callsigns of aircraft with synchronized parts
-            BlackMisc::Aviation::CCallsignSet getCallsignsWithSyncronizedParts() const;
+            BlackMisc::Aviation::CCallsignSet getCallsignsWithSynchronizedParts() const;
 
             //! Update aircraft with data from VATSIM data file
             //! \remarks The list used ("this") needs to contain the VATSIM data file objects