diff --git a/RIGS/models.py b/RIGS/models.py
index ad4267e1..e6213d72 100644
--- a/RIGS/models.py
+++ b/RIGS/models.py
@@ -378,6 +378,10 @@ class Event(models.Model, RevisionMixin):
                 return f"N{self.pk:05d}"
             return self.pk
         return "????"
+    
+    @property
+    def needs_mic(self):
+        return self.is_rig and not self.dry_hire
 
     # Calculated values
     """