diff --git a/ICAOTypeConversion.csv b/ICAOTypeConversion.csv
index 57460f7..8e97e92 100644
--- a/ICAOTypeConversion.csv
+++ b/ICAOTypeConversion.csv
@@ -63,3 +63,4 @@ F131,BU31
 BTX1,BT7
 VL-3,VL3
 DUCK,ZZZZ-DUCK
+IL22,IL18