diff --git a/module/campaign/gems_farming.py b/module/campaign/gems_farming.py
index 8b8156fff2..0e89c25401 100644
--- a/module/campaign/gems_farming.py
+++ b/module/campaign/gems_farming.py
@@ -2,6 +2,7 @@
 from module.campaign.run import CampaignRun
 from module.combat.assets import BATTLE_PREPARATION
 from module.equipment.assets import *
+from module.equipment.equipment_code import EquipmentCodeHandler
 from module.equipment.fleet_equipment import FleetEquipment
 from module.exception import CampaignEnd, ScriptError
 from module.handler.assets import AUTO_SEARCH_MAP_OPTION_OFF
@@ -67,7 +68,34 @@ def handle_combat_low_emotion(self):
             raise CampaignEnd('Emotion withdraw')
 
 
-class GemsFarming(CampaignRun, FleetEquipment, Dock):
+class GemsEquipmentHandler(EquipmentCodeHandler):
+    def __init__(self, config, device=None, task=None):
+        super().__init__(config=config,
+                         device=device,
+                         task=task,
+                         key="GemsFarming.GemsFarming.EquipmentCode",
+                         ships=['DD', 'bogue', 'hermes', 'langley', 'ranger'])
+
+    def current_ship(self):
+        """
+        Reuse templates in module.retire.assets,
+        which needs different rescaling to match each current flagship.
+
+        Pages:
+            in: gear_code
+        """
+        if TEMPLATE_BOGUE.match(self.device.image, scaling=1.46):  # image has rotation
+            return 'bogue'
+        if TEMPLATE_HERMES.match(self.device.image, scaling=124/89):
+            return 'hermes'
+        if TEMPLATE_RANGER.match(self.device.image, scaling=4/3):
+            return 'ranger'
+        if TEMPLATE_LANGLEY.match(self.device.image, scaling=25/21):
+            return 'langley'
+        return 'DD'
+
+
+class GemsFarming(CampaignRun, Dock, FleetEquipment, GemsEquipmentHandler):
 
     def load_campaign(self, name, folder='campaign_main'):
         super().load_campaign(name, folder)
@@ -104,65 +132,55 @@ def fleet_to_attack(self):
 
     def flagship_change(self):
         """
-        Change flagship and flagship's equipment
-        If config.GemsFarming_CommonCV == 'any', only change auxiliary equipment
+        Change flagship and flagship's equipment using gear code
 
         Returns:
             bool: True if flagship changed.
         """
 
-        if self.config.GemsFarming_CommonCV == 'any':
-            index_list = range(3, 5)
-        else:
-            index_list = range(0, 5)
         logger.hr('Change flagship', level=1)
         logger.attr('ChangeFlagship', self.config.GemsFarming_ChangeFlagship)
         self.fleet_enter(self.fleet_to_attack)
         if self.change_flagship_equip:
-            logger.hr('Record flagship equipment', level=2)
+            logger.hr('Unmount flagship equipments', level=2)
             self.fleet_enter_ship(FLEET_DETAIL_ENTER_FLAGSHIP)
-            self.ship_equipment_record_image(index_list=index_list)
-            self.ship_equipment_take_off()
+            self.clear_all_equip()
             self.fleet_back()
 
         logger.hr('Change flagship', level=2)
         success = self.flagship_change_execute()
 
         if self.change_flagship_equip:
-            logger.hr('Equip flagship equipment', level=2)
+            logger.hr('Mount flagship equipments', level=2)
             self.fleet_enter_ship(FLEET_DETAIL_ENTER_FLAGSHIP)
-            self.ship_equipment_take_off()
-            self.ship_equipment_take_on_image(index_list=index_list)
+            self.apply_equip_code()
             self.fleet_back()
 
         return success
 
     def vanguard_change(self):
         """
-        Change vanguard and vanguard's equipment
+        Change vanguard and vanguard's equipment using gear code
 
         Returns:
             bool: True if vanguard changed
         """
-
         logger.hr('Change vanguard', level=1)
         logger.attr('ChangeVanguard', self.config.GemsFarming_ChangeVanguard)
         self.fleet_enter(self.fleet_to_attack)
         if self.change_vanguard_equip:
-            logger.hr('Record vanguard equipment', level=2)
+            logger.hr('Unmount vanguard equipments', level=2)
             self.fleet_enter_ship(FLEET_DETAIL_ENTER)
-            self.ship_equipment_record_image()
-            self.ship_equipment_take_off()
+            self.clear_all_equip()
             self.fleet_back()
 
         logger.hr('Change vanguard', level=2)
         success = self.vanguard_change_execute()
 
         if self.change_vanguard_equip:
-            logger.hr('Equip vanguard equipment', level=2)
+            logger.hr('Mount vanguard equipments', level=2)
             self.fleet_enter_ship(FLEET_DETAIL_ENTER)
-            self.ship_equipment_take_off()
-            self.ship_equipment_take_on_image()
+            self.apply_equip_code()
             self.fleet_back()
 
         return success