diff --git a/Tools/AP_Bootloader/board_types.txt b/Tools/AP_Bootloader/board_types.txt
index 3d28da9277..a0ab11ed0a 100644
--- a/Tools/AP_Bootloader/board_types.txt
+++ b/Tools/AP_Bootloader/board_types.txt
@@ -335,6 +335,9 @@ AP_HW_MFT-SEMA100                    2000
 
 AP_HW_SakuraRC-H743                  2714
 
+# IDs 4000-4009 reserved for Karshak Drones
+AP_HW_KRSHKF7_MINI                   4000
+
 # IDs 4200-4220 reserved for HAKRC
 AP_HW_HAKRC_F405                     4200
 AP_HW_HAKRC_F405Wing                 4201