diff --git a/data/dicts/aviation.csv b/data/dicts/aviation.csv
index 8e690a08..6ca7a795 100644
--- a/data/dicts/aviation.csv
+++ b/data/dicts/aviation.csv
@@ -426,6 +426,7 @@ RASP,Recognised Air and Surveillance Picture
 RB,Relative Bearing
 RBI,Relative Bearing Indicator
 RBAF,Royal Belgium Armed Forces
+RBL,Range Bearing Line
 RCAF,Royal Canadian Air Force
 RCC,Rescue Coordination Center
 RCL,Runway Centre Line Lighting