diff --git a/README.md b/README.md
index 24450e90..19c2ca25 100644
--- a/README.md
+++ b/README.md
@@ -39,6 +39,8 @@ These don't matter except for other assembly patches
     - hooks/aiinitattack.cpp
 
 ## Bugs
+- Enable Class 4 attach points ("AttachPoint_Spr" bones)
+    - hooks/Class4AttachSize.cpp
 - Remove lingering transport load factor calcuation at aircraft initialization
     - hooks/RemoveTransportLoadFactor.cpp
 - Fix `RolloverInfo` returning integer economy values. 
diff --git a/hooks/Class4AttachSize.cpp b/hooks/Class4AttachSize.cpp
new file mode 100644
index 00000000..61c32fb3
--- /dev/null
+++ b/hooks/Class4AttachSize.cpp
@@ -0,0 +1,6 @@
+asm(
+    // Moho::CAiTransportImpl::"GetAttachPointsFor"+0xAA (switch case Moho::ETransportClass::TRANSPORTCLASS_4)  
+    ".section h0; .set h0,0x5E6BDA;"
+    "jmp .+0x1F; nop;" // add break to case so it doesn't fall-through and get overriden by TRANSPORTCLASS_SPECIAL
+    // by utilizing output assignment of case TRANSPORTCLASS_3/TRANSPORTCLASS_SPECIAL to make room for the jump
+);
\ No newline at end of file