diff --git a/Tools/AP_Bootloader/board_types.txt b/Tools/AP_Bootloader/board_types.txt
index be8d6b4506..52f904233a 100644
--- a/Tools/AP_Bootloader/board_types.txt
+++ b/Tools/AP_Bootloader/board_types.txt
@@ -334,6 +334,8 @@ AP_HW_GEPRCF745BTHD                  1501
 
 AP_HW_HGLRCF405V4                    1524
 
+AP_HW_F4BY_F427                      1530
+
 AP_HW_MFT-SEMA100                    2000
 
 AP_HW_AET-H743-Basic                 2024
diff --git a/Tools/bootloaders/F4BY_F427_bl.bin b/Tools/bootloaders/F4BY_F427_bl.bin
new file mode 100755
index 0000000000..92ed4fbdb6
Binary files /dev/null and b/Tools/bootloaders/F4BY_F427_bl.bin differ