Direct proof of use
Direct Syria evidence for the 92N6A-family radar comes from sources that identify the 92N6 or 92N6E engagement radar inside Russian S-400 deployments, not just the broader S-400 system. InformNapalm's June 2017 OSINT review of Russian Zvezda footage from Khmeimim air base identified four 5P85TE2 S-400 launchers, a 92N6E radar station, and diesel generators powering the S-400 equipment on the east side of the base.
RUSI separately described Syria-based Russian S-400 units at Khmeimim and at a base near Masyaf in Hama Governorate, and identified the 92N6 as the S-400 combat engagement radar. Its analysis treated the radar as the element that detects and illuminates targets for surface-to-air missile engagements, while emphasizing radar-horizon and sector limits against low-flying cruise missiles.
Sources: InformNapalm Khmeimim S-400 Positions, RUSI Syria S-400 Cruise Missile Analysis
Timeline
Russia deployed S-400 systems to Syria after Turkey shot down a Russian Su-24M in November 2015, placing the system in the Russian expeditionary air-defense layer around its Syrian bases. By April 2017, public debate after the U.S. Tomahawk strike on Shayrat air base focused on why Russian S-300 and S-400 systems in Syria had not engaged the attack, with analysts pointing to location, terrain, and low-altitude cruise-missile geometry.
The first source in this record to identify a 92N6E radar directly at a Syrian site is InformNapalm's 20 June 2017 Khmeimim analysis. RUSI's later analysis then described two Russian S-400 units in Syria, one defending Khmeimim and one near Masyaf, and discussed the 92N6 combat engagement radar as the limiting sensor for cruise-missile engagements.
Sources: RFE/RL Russian S-400 Syria Debate, InformNapalm Khmeimim S-400 Positions, RUSI Syria S-400 Cruise Missile Analysis
Role in Russian air defense
The documented Syrian use was Russian-operated expeditionary air defense for pro-government forces and Russian basing, not a Syrian transfer record for the 92N6-family radar. The parent S-400 system was part of Russia's protective network around Khmeimim, Tartus, and the Masyaf-area position, while the 92N6-family radar served as the engagement and missile-guidance sensor inside that network.
Rosoboronexport's S-400 export description assigns the 92N6E multifunctional radar target search, target acquisition and tracking, target selection, launch preparation, missile guidance, performance assessment, and automatic information exchange with the 30K6E control system. In the Syrian conflict record, those functions explain why the radar is cataloged under air defense and targeting support rather than as an independent strike weapon.
Sources: RUSI Syria S-400 Cruise Missile Analysis, S-400 Triumph Rosoboronexport Profile