diff --git a/data/dicts/aviation.csv b/data/dicts/aviation.csv
index c2f66f0d..a8946331 100644
--- a/data/dicts/aviation.csv
+++ b/data/dicts/aviation.csv
@@ -548,6 +548,7 @@ TRA,Temporary Reserved Area
 TRACON,Terminal Radar Approach Control
 TRH,Thrust Reduction Height
 TSA,Temporary Segregated Area
+TSAT,Target Startup Approval Time
 TSO,Technical Standard Order
 TSTC,Texas State Technical College
 TT,True Track