diff --git a/src/blackmisc/datastore.cpp b/src/blackmisc/datastore.cpp
index ff6af0ee4..6bd1cd3ec 100644
--- a/src/blackmisc/datastore.cpp
+++ b/src/blackmisc/datastore.cpp
@@ -35,6 +35,13 @@ namespace BlackMisc
         this->m_dbKey = k;
     }
 
+    QJsonValue IDatastoreObjectWithIntegerKey::getDbKeyAsJsonValue() const
+    {
+        if (this->hasValidDbKey()) { return QJsonValue(this->m_dbKey); }
+        static const QJsonValue null;
+        return null;
+    }
+
     void IDatastoreObjectWithIntegerKey::setKeyAndTimestampFromDatabaseJson(const QJsonObject &json, const QString &prefix)
     {
         int dbKey = json.value(prefix + "id").toInt(-1);
@@ -103,6 +110,13 @@ namespace BlackMisc
         return (i >= static_cast<int>(IndexDbIntegerKey)) && (i <= static_cast<int>(IndexDbIntegerKey));
     }
 
+    QJsonValue IDatastoreObjectWithStringKey::getDbKeyAsJsonValue() const
+    {
+        if (this->hasValidDbKey()) { return QJsonValue(this->m_dbKey); }
+        static const QJsonValue null;
+        return null;
+    }
+
     void IDatastoreObjectWithStringKey::setKeyAndTimestampFromDatabaseJson(const QJsonObject &json, const QString &prefix)
     {
         QString dbKey = json.value(prefix + "id").toString();
diff --git a/src/blackmisc/datastore.h b/src/blackmisc/datastore.h
index e3b97faac..9dd671003 100644
--- a/src/blackmisc/datastore.h
+++ b/src/blackmisc/datastore.h
@@ -37,6 +37,9 @@ namespace BlackMisc
         //! DB key as string
         QString getDbKeyAsString() const;
 
+        //! Key as JSON value, or null
+        QJsonValue getDbKeyAsJsonValue() const;
+
         //! Db ley in parentheses, e.g. "(3)"
         QString getDbKeyAsStringInParentheses() const;
 
@@ -95,6 +98,9 @@ namespace BlackMisc
         //! Get DB key.
         const QString &getDbKey() const { return m_dbKey; }
 
+        //! Key as JSON value, or null
+        QJsonValue getDbKeyAsJsonValue() const;
+
         //! Set the DB key
         void setDbKey(const QString &key) { m_dbKey = key.trimmed().toUpper(); }
 
diff --git a/src/blackmisc/datastoreutility.cpp b/src/blackmisc/datastoreutility.cpp
index e95d60f89..bb75993d7 100644
--- a/src/blackmisc/datastoreutility.cpp
+++ b/src/blackmisc/datastoreutility.cpp
@@ -20,6 +20,13 @@ namespace BlackMisc
         return BlackMisc::stringToBool(dbBool);
     }
 
+    const QString &CDatastoreUtility::boolToDbYN(bool v)
+    {
+        static const QString y("Y");
+        static const QString n("N");
+        return v ? y : n;
+    }
+
     int CDatastoreUtility::extractIntegerKey(const QString &stringWithKey)
     {
         QString ks(stringWithKey.trimmed());
diff --git a/src/blackmisc/datastoreutility.h b/src/blackmisc/datastoreutility.h
index 236b4a66f..3e6f92569 100644
--- a/src/blackmisc/datastoreutility.h
+++ b/src/blackmisc/datastoreutility.h
@@ -23,23 +23,26 @@ namespace BlackMisc
     /*!
      * Class with datastore related utilities
      */
-    class CDatastoreUtility
+    class BLACKMISC_EXPORT CDatastoreUtility
     {
     public:
         //! No constructor
         CDatastoreUtility() = delete;
 
         //! DB Bool value to bool
-        BLACKMISC_EXPORT static bool dbBoolStringToBool(const QString &dbBool);
+        static bool dbBoolStringToBool(const QString &dbBool);
+
+        //! Bool to DB yes/no
+        static const QString &boolToDbYN(bool v);
 
         //! Extract key from string like "MyAircraft (33)"
-        BLACKMISC_EXPORT static int extractIntegerKey(const QString &stringWithKey);
+        static int extractIntegerKey(const QString &stringWithKey);
 
         //! Parse a timestamp object
-        BLACKMISC_EXPORT static QDateTime parseTimestamp(const QString &timestamp);
+        static QDateTime parseTimestamp(const QString &timestamp);
 
         //! Get id from a DB response
-        BLACKMISC_EXPORT static bool parseSwiftWriteResponse(const QString &jsonResponse, BlackMisc::CStatusMessageList &messages, BlackMisc::CVariant &key);
+        static bool parseSwiftWriteResponse(const QString &jsonResponse, BlackMisc::CStatusMessageList &messages, BlackMisc::CVariant &key);
     };
 
 } // namespace
diff --git a/src/blackmisc/simulation/aircraftmodel.cpp b/src/blackmisc/simulation/aircraftmodel.cpp
index 849ebe4e4..46b5cfe26 100644
--- a/src/blackmisc/simulation/aircraftmodel.cpp
+++ b/src/blackmisc/simulation/aircraftmodel.cpp
@@ -55,6 +55,41 @@ namespace BlackMisc
             return s;
         }
 
+        QJsonObject CAircraftModel::toDatabaseJson() const
+        {
+            QJsonObject obj;
+
+            // filename not in DB
+            obj.insert("id", this->getDbKeyAsJsonValue());
+            obj.insert("simkey", QJsonValue(this->m_modelString));
+            obj.insert("description", QJsonValue(this->m_description));
+            obj.insert("mode", QJsonValue(getModelModeAsString().left(1).toUpper()));
+
+            // sims
+            const CSimulatorInfo sim(getSimulatorInfo());
+            QString flag = CDatastoreUtility::boolToDbYN(sim.fsx());
+            obj.insert("simfsx", QJsonValue(flag));
+            flag = CDatastoreUtility::boolToDbYN(sim.p3d());
+            obj.insert("simp3d", QJsonValue(flag));
+            flag = CDatastoreUtility::boolToDbYN(sim.fs9());
+            obj.insert("simfs9", QJsonValue(flag));
+            flag = CDatastoreUtility::boolToDbYN(sim.xplane());
+            obj.insert("simxplane", QJsonValue(flag));
+
+            // foreign keys
+            obj.insert("iddistributor", this->getDistributor().getDbKeyAsJsonValue());
+            obj.insert("idaircrafticao", this->getAircraftIcaoCode().getDbKeyAsJsonValue());
+            obj.insert("idlivery", this->getLivery().getDbKeyAsJsonValue());
+            obj.insert("idairlineicao", this->getLivery().getAirlineIcaoCode().getDbKeyAsJsonValue()); // not really needed if livery is complete
+
+            return obj;
+        }
+
+        QString CAircraftModel::toDatabaseJsonString(QJsonDocument::JsonFormat format) const
+        {
+            return QJsonDocument(toDatabaseJson()).toJson(format);
+        }
+
         CVariant CAircraftModel::propertyByIndex(const BlackMisc::CPropertyIndex &index) const
         {
             if (index.isMyself()) { return CVariant::from(*this); }
diff --git a/src/blackmisc/simulation/aircraftmodel.h b/src/blackmisc/simulation/aircraftmodel.h
index 777ae729c..44a2e9923 100644
--- a/src/blackmisc/simulation/aircraftmodel.h
+++ b/src/blackmisc/simulation/aircraftmodel.h
@@ -239,6 +239,12 @@ namespace BlackMisc
             //! \copydoc CValueObject::convertToQString
             QString convertToQString(bool i18n = false) const;
 
+            //! To database JSON
+            QJsonObject toDatabaseJson() const;
+
+            //! To database JSON
+            QString toDatabaseJsonString(QJsonDocument::JsonFormat format = QJsonDocument::Compact) const;
+
             //! Model type
             static QString modelTypeToString(ModelType type);
 
diff --git a/src/blackmisc/simulation/aircraftmodellist.cpp b/src/blackmisc/simulation/aircraftmodellist.cpp
index d70ee8830..94ad163b9 100644
--- a/src/blackmisc/simulation/aircraftmodellist.cpp
+++ b/src/blackmisc/simulation/aircraftmodellist.cpp
@@ -198,5 +198,21 @@ namespace BlackMisc
             }
             return msgs;
         }
+
+        QJsonArray CAircraftModelList::toDatabaseJson() const
+        {
+            QJsonArray array;
+            for (const CAircraftModel &model : *this)
+            {
+                QJsonValue v(model.toDatabaseJson());
+                array.append(v);
+            }
+            return array;
+        }
+
+        QString CAircraftModelList::toDatabaseJsonString(QJsonDocument::JsonFormat format) const
+        {
+            return QJsonDocument(toDatabaseJson()).toJson(format);
+        }
     } // namespace
 } // namespace
diff --git a/src/blackmisc/simulation/aircraftmodellist.h b/src/blackmisc/simulation/aircraftmodellist.h
index e4b160073..c17fd2c0b 100644
--- a/src/blackmisc/simulation/aircraftmodellist.h
+++ b/src/blackmisc/simulation/aircraftmodellist.h
@@ -89,6 +89,12 @@ namespace BlackMisc
 
             //! Validate for publishing
             CStatusMessageList validateForPublishing() const;
+
+            //! To database JSON
+            QJsonArray toDatabaseJson() const;
+
+            //! To database JSON
+            QString toDatabaseJsonString(QJsonDocument::JsonFormat format = QJsonDocument::Compact) const;
         };
 
     } //namespace