Early warningStatic

FPS-117

EWR AN/FPS-117 Radar

Fixed early warning radar. It sees aircraft out to 250 nm. An aircraft at 500 ft stays below its horizon until 36 nm. It shows as “S” on the F-16 and F/A-18 RWR.

Distance from the radar

DetectionSR117 R

250 nm

At 500 ftSRRadar horizon

36 nm

At 5,000 ftSRRadar horizon

95 nm

At 30,000 ftSRRadar horizon

221 nm

075150225300 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.

Loading model…

Detection

Detects at: 250 nm
Target altitude: 160 ft to 98,400 ft
Antenna elevation: -15° to 80°
Antenna height: 50 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.