diff --git a/changelog.md b/changelog.md
index a5222dae..5d33e32c 100644
--- a/changelog.md
+++ b/changelog.md
@@ -4,6 +4,8 @@ Saves from 10.x are not compatible with 11.0.0.
 
 ## Features/Improvements
 
+* **[Engine]** Support for DCS 2.9.3.51704 Open Beta. 
+
 ## Fixes
 
 # 10.0.0
diff --git a/requirements.txt b/requirements.txt
index 91ff1804..dcaa572e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -36,7 +36,7 @@ pre-commit==3.5.0
 pydantic==2.5.2
 pydantic-settings==2.1.0
 pydantic_core==2.14.5
-pydcs @ git+https://github.com/pydcs/dcs@1092fc419d3f879e8e7951b25e15d8b7c9938627
+pydcs @ git+https://github.com/pydcs/dcs@7eeec23ea428846ebbbd0ea4c746f8eafea04e0d
 pyinstaller==5.13.1
 pyinstaller-hooks-contrib==2023.6
 pyproj==3.6.1
diff --git a/resources/customized_payloads/SA342L.lua b/resources/customized_payloads/SA342L.lua
index 88c626d7..d5962df2 100644
--- a/resources/customized_payloads/SA342L.lua
+++ b/resources/customized_payloads/SA342L.lua
@@ -10,11 +10,11 @@ local unitPayloads = {
 				},
 				[2] = {
 					["CLSID"] = "{IR_Deflector}",
-					["num"] = 6,
+					["num"] = 4,
 				},
 				[3] = {
 					["CLSID"] = "{FAS}",
-					["num"] = 5,
+					["num"] = 3,
 				},
 			},
 			["tasks"] = {
@@ -30,11 +30,11 @@ local unitPayloads = {
 				},
 				[2] = {
 					["CLSID"] = "{IR_Deflector}",
-					["num"] = 6,
+					["num"] = 4,
 				},
 				[3] = {
 					["CLSID"] = "{FAS}",
-					["num"] = 5,
+					["num"] = 3,
 				},
 			},
 			["tasks"] = {
@@ -50,11 +50,11 @@ local unitPayloads = {
 				},
 				[2] = {
 					["CLSID"] = "{IR_Deflector}",
-					["num"] = 6,
+					["num"] = 4,
 				},
 				[3] = {
 					["CLSID"] = "{FAS}",
-					["num"] = 5,
+					["num"] = 3,
 				},
 			},
 			["tasks"] = {
@@ -70,11 +70,11 @@ local unitPayloads = {
 				},
 				[2] = {
 					["CLSID"] = "{IR_Deflector}",
-					["num"] = 6,
+					["num"] = 4,
 				},
 				[3] = {
 					["CLSID"] = "{FAS}",
-					["num"] = 5,
+					["num"] = 3,
 				},
 			},
 			["tasks"] = {
@@ -90,11 +90,11 @@ local unitPayloads = {
 				},
 				[2] = {
 					["CLSID"] = "{IR_Deflector}",
-					["num"] = 6,
+					["num"] = 4,
 				},
 				[3] = {
 					["CLSID"] = "{FAS}",
-					["num"] = 5,
+					["num"] = 3,
 				},
 			},
 			["tasks"] = {
diff --git a/resources/customized_payloads/SA342M.lua b/resources/customized_payloads/SA342M.lua
index c0d7be64..f0b92cd9 100644
--- a/resources/customized_payloads/SA342M.lua
+++ b/resources/customized_payloads/SA342M.lua
@@ -5,28 +5,20 @@ local unitPayloads = {
 			["name"] = "CAS",
 			["pylons"] = {
 				[1] = {
-					["CLSID"] = "{HOT3D}",
+					["CLSID"] = "{HOT3_R2_M}",
 					["num"] = 1,
 				},
 				[2] = {
-					["CLSID"] = "{HOT3G}",
+					["CLSID"] = "{HOT3_L2_M}",
 					["num"] = 2,
 				},
 				[3] = {
-					["CLSID"] = "{HOT3D}",
+					["CLSID"] = "{FAS}",
 					["num"] = 3,
 				},
 				[4] = {
-					["CLSID"] = "{HOT3G}",
-					["num"] = 4,
-				},
-				[5] = {
-					["CLSID"] = "{FAS}",
-					["num"] = 5,
-				},
-				[6] = {
 					["CLSID"] = "{IR_Deflector}",
-					["num"] = 6,
+					["num"] = 4,
 				},
 			},
 			["tasks"] = {
@@ -37,28 +29,20 @@ local unitPayloads = {
 			["name"] = "CAP",
 			["pylons"] = {
 				[1] = {
-					["CLSID"] = "{HOT3D}",
+					["CLSID"] = "{HOT3_R2_M}",
 					["num"] = 1,
 				},
 				[2] = {
-					["CLSID"] = "{HOT3G}",
+					["CLSID"] = "{HOT3_L2_M}",
 					["num"] = 2,
 				},
 				[3] = {
-					["CLSID"] = "{HOT3D}",
+					["CLSID"] = "{FAS}",
 					["num"] = 3,
 				},
 				[4] = {
-					["CLSID"] = "{HOT3G}",
-					["num"] = 4,
-				},
-				[5] = {
-					["CLSID"] = "{FAS}",
-					["num"] = 5,
-				},
-				[6] = {
 					["CLSID"] = "{IR_Deflector}",
-					["num"] = 6,
+					["num"] = 4,
 				},
 			},
 			["tasks"] = {
@@ -69,28 +53,20 @@ local unitPayloads = {
 			["name"] = "STRIKE",
 			["pylons"] = {
 				[1] = {
-					["CLSID"] = "{HOT3D}",
+					["CLSID"] = "{HOT3_R2_M}",
 					["num"] = 1,
 				},
 				[2] = {
-					["CLSID"] = "{HOT3G}",
+					["CLSID"] = "{HOT3_L2_M}",
 					["num"] = 2,
 				},
 				[3] = {
-					["CLSID"] = "{HOT3D}",
+					["CLSID"] = "{FAS}",
 					["num"] = 3,
 				},
 				[4] = {
-					["CLSID"] = "{HOT3G}",
-					["num"] = 4,
-				},
-				[5] = {
-					["CLSID"] = "{FAS}",
-					["num"] = 5,
-				},
-				[6] = {
 					["CLSID"] = "{IR_Deflector}",
-					["num"] = 6,
+					["num"] = 4,
 				},
 			},
 			["tasks"] = {
@@ -101,28 +77,20 @@ local unitPayloads = {
 			["name"] = "SEAD",
 			["pylons"] = {
 				[1] = {
-					["CLSID"] = "{HOT3D}",
+					["CLSID"] = "{HOT3_R2_M}",
 					["num"] = 1,
 				},
 				[2] = {
-					["CLSID"] = "{HOT3G}",
+					["CLSID"] = "{HOT3_L2_M}",
 					["num"] = 2,
 				},
 				[3] = {
-					["CLSID"] = "{HOT3D}",
+					["CLSID"] = "{FAS}",
 					["num"] = 3,
 				},
 				[4] = {
-					["CLSID"] = "{HOT3G}",
-					["num"] = 4,
-				},
-				[5] = {
-					["CLSID"] = "{FAS}",
-					["num"] = 5,
-				},
-				[6] = {
 					["CLSID"] = "{IR_Deflector}",
-					["num"] = 6,
+					["num"] = 4,
 				},
 			},
 			["tasks"] = {
@@ -133,28 +101,20 @@ local unitPayloads = {
 			["name"] = "ANTISHIP",
 			["pylons"] = {
 				[1] = {
-					["CLSID"] = "{HOT3D}",
+					["CLSID"] = "{HOT3_R2_M}",
 					["num"] = 1,
 				},
 				[2] = {
-					["CLSID"] = "{HOT3G}",
+					["CLSID"] = "{HOT3_L2_M}",
 					["num"] = 2,
 				},
 				[3] = {
-					["CLSID"] = "{HOT3D}",
+					["CLSID"] = "{FAS}",
 					["num"] = 3,
 				},
 				[4] = {
-					["CLSID"] = "{HOT3G}",
-					["num"] = 4,
-				},
-				[5] = {
-					["CLSID"] = "{FAS}",
-					["num"] = 5,
-				},
-				[6] = {
 					["CLSID"] = "{IR_Deflector}",
-					["num"] = 6,
+					["num"] = 4,
 				},
 			},
 			["tasks"] = {
diff --git a/resources/customized_payloads/SA342Minigun.lua b/resources/customized_payloads/SA342Minigun.lua
index 8ec09880..47d7bddc 100644
--- a/resources/customized_payloads/SA342Minigun.lua
+++ b/resources/customized_payloads/SA342Minigun.lua
@@ -6,7 +6,7 @@ local unitPayloads = {
 			["pylons"] = {
 				[1] = {
 					["CLSID"] = "{IR_Deflector}",
-					["num"] = 6,
+					["num"] = 4,
 				},
 			},
 			["tasks"] = {
@@ -19,7 +19,7 @@ local unitPayloads = {
 			["pylons"] = {
 				[1] = {
 					["CLSID"] = "{IR_Deflector}",
-					["num"] = 6,
+					["num"] = 4,
 				},
 			},
 			["tasks"] = {
diff --git a/resources/units/aircraft/AH-64D_BLK_II.yaml b/resources/units/aircraft/AH-64D_BLK_II.yaml
index 321c615f..3a7bcbc8 100644
--- a/resources/units/aircraft/AH-64D_BLK_II.yaml
+++ b/resources/units/aircraft/AH-64D_BLK_II.yaml
@@ -40,6 +40,4 @@ tasks:
   CAS: 510
   DEAD: 115
   OCA/Aircraft: 510
-default_overrides:
-  FCR_RFI_removed: false
 hit_points: 20