I have been doing a bunch of reading because this has been fascinating to me and thought I would share.
Air Power: Planes In Service numbers are before current conflict.
Dassault Mirage F1 - Multi Role Fighter - 1970's
4 In Service. 2 Defected to Malta. 1 Shot down by rebels.
MiG-21 - Interceptor - 1950's
23 In Service. Most are grounded. 2 Shot down by rebels.
MiG-23 - Ground Attack/Interceptor - 1970's
110 In Service. Most are grounded. 13 Captured by rebels. Being used to attack ships and tank positions by rebels.
Su-17
38 In service. One crashed on purpose as crew refused to follow orders to attack protestors. A number are claimed to be shot down by Rebels.
Su-24 - All Weather Attack - 1970's
2 In service. One lost to fire, one shot down by rebels.
Soko J-21 - Attack/Recon
13 In service
Aero L-39 Albatros - Light Ground Attack
110 In Service.
Soko G-3 Ground Attack/Recon
116 In Service. 4 Captured by Rebels.