Operators
- Singapore
- Republic of Singapore Air Force
- 142 Squadron: disbanded in 2004.
- 143 Squadron: switched to F-16C/Ds.
- 145 Squadron: switched to F-16C/Ds on 30 April 2003.
- 150 Squadron: currently operates the A-4SU as advanced trainer from BA 120 Cazaux Air Base.
- The RSAF Black Knights aerobatic team operated the A-4SU from 1990 to 2000, they switched to an all F-16C six-ship formation for their performance during the 2008 Singapore Airshow.
Read more about this topic: ST Aerospace A-4SU Super Skyhawk