19 Jun - MiG-21 crashes in Hama. Pilot Ayham Khadra dies.
Confirmed.
https://twitter.com/Isham_AlAssad/status/744769499585404928
26 Jun - Jaysh al-Islam fires Osa SAM missile at helicopter.
Comments: Apparently helicopter escapes but damaged.
27 Jun - Jaysh al Islam claims shooting down MiG-29 in E. Qalamoun.
Comments: zero evidence.
27 Jun - MiG-23BN crashed in E. Qalamoun. Lt. Colonel Nader Ramadan killed.
Source:
http://luftwaffeas.blogspot.com/2016/06/syaaf-mig-23bn-crashed-2016-06-27.html
Could be a Mig-29 claimed by JAI.
1 Jul - Su-22 crashes/shot down in E. Qalamoun. Pilot Nawras Hasan ejects and executed.
Confirmed.
1 Jul - Mi-25 shot down over Qalamoun. Gen. Muhammad Badr Mahmoud, Captain Zein Nayef
Khalloof, technician Col. Adnan Munir Al-Salem.
Source:
http://luftwaffeas.blogspot.com/2016/07/syaaf-mi-25-shot-down-2017-07-01.html
Loy sources confirm death of Gen Badr Mahmoudon 1st Jul, without details:
https://twitter.com/IvanSidorenko1/status/748783544516825088/photo/1
and death of Cpt. Zein Nayef Khalloof out of injires in plane on 3rd Jul:
https://www.facebook.com/permalink.php?story_fbid=1737197603221324&id=1465009143773506
3 Jul - Helicopter crashes/shot down over E. Ghouta, 3 killed: Brig Gen. Muhammad Ayoub,
technician Ghadeer Assaf, Lt. Sohail Saqr.
Confirmed by loy source:
4 Jul - MiG-23 Shot down over Ghouta. Pilot Shawkat Suleiman killed.
Confirmed by loy source:
https://twitter.com/IvanSidorenko1/status/750005326691393536
8 Jul - Russian Mi-35M shot down by ISIS at Palmira, 2 pilots killed.
Confirmed, unclear what hit the helicopter.
14 Jul. MiG-23 shot down by ISIS/crashed in Deir ez-Zor. Pilot Maher Qa'abour killed
Comments: ISIS published a video of wreckage:
https://twitter.com/RamiAILoIah/status/753554021881933825
14 Jul. Mi-24 shot down by ISIS/crashed in Baitareyeh, Eastern Ghouta
Commends: ISIS published a video of wreckage:
https://twitter.com/putintintin1/status/753584004293681152
20 Jul. L-39ZO shot down in east Hama. Pilots Col. Salman Suleiman and 1st Ltnt. Ghadir Eid killed.
Comments: L-39ZO serialled 2099 operating from T4 AB shot down by AAA. Confirmed by pics and loy source.
http://luftwaffeas.blogspot.com/2016/07/syaaf-l-39zo-shot-down-2016-07-20.html
https://twitter.com/BtwlatAljyshAls/status/756115322978066432
23 Jul. ISIS claims shooting down plane east, of Salamiyah, Hama.
Comments: no evidence.
https://twitter.com/lumisis/status/756962600718573572
29 Jul. MiG-23ML crashes in E. Qalamoun. Major Mohammad Suleiman Ismail killed.
Death of the pilot confirmed by loy sources:
http://luftwaffeas.blogspot.com/2016/07/syaaf-mig-23ml-crashed-2016-07-29.html
1 Aug. Russian Mi-8AMTSh shot down over Idlib. 3 crew members + 2 officers killed.
Confirmed. S/N 212 RF-95585
2 September. SA 342 Gazelle shot down by TOW ATGM in N. Hama. Col. Mohammad Ali Habib and Major Alaa' Ahmad Dayyoub killed.
Confirmed.
4 September. L-39 Crashed near Sadad town (Homs), pilot Captain Ali Farhan Ghanem killed.
Confirmed by loy source:
https://twitter.com/BtwlatAljyshAls/status/772682801346908160
http://luftwaffeas.blogspot.co.il/2016/09/syaaf-l-39-crashed-2016-09-04.html
18 September. MiG-21 crashed/shot down near Deir ez-Zor, pilot Col. Ali Hamza killed.
Confirmed by loy source:
https://twitter.com/sayed_ridha/status/777528361526566915
21 September. MiG-23? crashed in Eastern Qalamoun, pilot resqued.
Earlier ISIS claimed shooting it down.
Confirmed:
http://www.reuters.com/article/us-mideast-crisis-syria-jet-idUSKCN11R1CV