Early warningStatic

FPS-117 Dome

EWR AN/FPS-117 Radar (domed)

Fixed early warning radar. It sees aircraft out to 216 nm. An aircraft at 500 ft stays below its horizon until 38 nm. It shows as “S” on the F-16 and F/A-18 RWR.

Distance from the radar

DetectionSR117 D

216 nm

At 500 ftSRRadar horizon

38 nm

At 5,000 ftSRRadar horizon

97 nm

At 30,000 ftSRRadar horizon

216 nm

063125188250 nm

Radar horizon over flat ground, with standard refraction, for an aircraft at that height above the radar. Terrain between you and the antenna hides you sooner.

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Detection

Detects at: 216 nm
Target altitude: 160 ft to 98,400 ft
Antenna elevation: -15° to 80°
Antenna height: 70 ft
Scan period: 1 s
Search reaction: 12 s

On your RWR

RWR symbol: “S”
HARM code: None
Frequency: 1.22–1.4 GHz

Unit

Role: Early warning
Road speed: Static

Also “S” on your RWR

DCS 2.9.30.28718 · datamine 2.9.30.28718_2026-10-07T161222 · DCS model values, not real-world performance

In DCS for 28 countries: Australia, Bahrain, Belgium, Brazil, Canada, Combined Joint Task Forces Blue, Combined Joint Task Forces Red, Croatia, Denmark, Egypt, Germany, Hungary, Iraq, Italy, Jordan, Kuwait, Malaysia, New Zealand, Pakistan, Romania, Saudi Arabia, South Korea, Thailand, Turkey, UK, USA, USAF Aggressors, United Nations Peacekeepers.