diff --git a/html/markers.js b/html/markers.js
index 36429d6..c7a8919 100644
--- a/html/markers.js
+++ b/html/markers.js
@@ -270,8 +270,8 @@ let shapes = {
         path: 'M19.7 27.47s.12.61-.38.56l-2.38.18.34.6-.2.65-.38-.66-.05 1.8-.13.22.04-2.28h-.3s.02 1.3-.25 1.6c0 0-.24-.03-.35-1.22 0 0-.32.12-.32-.69l-2.79-.2s-.4.07-.34-.48l.01-.46s.03-.42.36-.4l3.05-.31-.31-8.77s-.08-.4-.51-.52l-.01-.32-.77-.03v-.85l-.18-.1.2-.88s-.16-.2-.14-1.7l-7.6 5.18-.82.27-.43-.63.83-.26 7.4-5.1h.63l.03-2.26-.1-.11s-.27.42-.5-.02l.02-.9s.22-.43.45 0v.44l.21-.24.02-.44-4.83-7.09-.25-.8.62-.42.27.82 4.19 6.1s-.27-3.85 1.77-3.9c0 0 2.19-.52 2.03 3.65v2.07l.2.19-.01-.44s.18-.34.4 0l.02.48 7.08-4.83.82-.26.42.62-.81.26-7.47 5.13h-.48l-.05 3.8 4.62 6.8.25.83-.62.42-.27-.83-4.06-5.93.01.93-.74.01v.3s-.58.17-.58.86l-.31 8.5h.27v-.38l.15-.3v.71l2.45.24s.52-.05.53.33z',
     },
     's61':{
-        w:29,
-        h:29,
+        w:28,
+        h:28,
         strokeScale: 1.1,
         viewBox:'0 0 32 32',
         path:'M11.16.91l-.9.54 4.9 10.19v.24h-.72v-.15c-.02-.53-.82-.74-1 0-.22.8-.16 1.42-.04 2L2.9 14.96 3.14 16l10.48-1.3.02.07c.06.3.15.45.24.62.11.11.24.16.38-.05.04-.14.07-.3.1-.49h.8l-.03 4.42c.04.33.09.6.14.84l-1.5 6.95.92.14 1.05-5.62.18.4.46 8.84c-.01.2.18.18.24.05v-.13l2.75-.24c.2-.01.2-.12.26-.18l-.03-.99-2.84-.2.48-7.09c.33-.73.67-1.64.92-2.69V14.9l10.38 5.95L29 20l-9.34-5.28.01-.04c.18-.9.54-1.76.2-3.05a.8.8 0 00-.1-.24l7.36-6.96-.75-.64-8.24 7.77V8.82l-.05-.36-.19-.63c-.1-.27-.44-.6-.82-.77h-.92c-.4.17-.7.44-.8.71-.18.31-.13.5-.2.74v.95L11.16.91z',
@@ -574,7 +574,24 @@ let TypeDesignatorIcons = {
     'V22F': ['v22_fast', 1],
     'V22': ['v22_slow', 1],
     'H64': ['apache', 1],
-    'H60': ['blackhawk', 1],
+
+
+    // 4 bladed heavy helicopters
+    'H60': ['blackhawk', 1], // 11t
+    'S92': ['blackhawk', 1], // 12t
+    'NH90': ['blackhawk', 1], // 11t
+    'AS32': ['blackhawk', 0.96], // 9t
+
+    // 5 bladed
+    'EC55': ['s61', 0.92], // 5t
+    'A169': ['s61', 0.92], // 5t
+    'H160': ['s61', 0.94], // 6t
+    'A139': ['s61', 0.95], // 7t
+    'EC75': ['s61', 0.96], // 8t
+    'A189': ['s61', 0.97], // 8.3t
+    'A149': ['s61', 0.97], // 8.6t
+    'S61': ['s61', 0.97], // 8.6t
+    'EC25': ['s61', 1], // 11t
 
     'U2': ['u2', 1],
     'C2': ['c2', 1],