20. Su-27: Radar Warning Reciever (RWR)
1.Welcome to this Su-27 training lesson on the radar warning receiver (RWR).
2.You can take control of the aircraft at any time by pressing ESC.
3.Please do not touch the controls during the lesson. If you need to pause the lesson, press the Pause key.
4.The Su-27 is equipped with the SPO-15LM Beryoza (Birch) RWR.
5.The SPO-15LM system includes the RWR panel in the cockpit and 4 receiver antennas around the aircraft.
6.Lets take a look at the cockpit panel and how it indicates various radar emitters.
7.The panel includes three rows of lights around the center of an aircraft symbol:
8.The large yellow lights indicate the direction of the highest priority threat. If two lights are lit at the same time, the threat azimuth is between them.
9.The smaller rectangular lights indicate signal strength. Signal strength is a function of range to the emitter source. Because the RWR is capable of identifying the source of the emitter, this row of lights makes it possible to estimate the range to the highest priority threat.
10.The two hemisphere yellow lights in the center of the panel indicate whether the emitter is above or below you. If both lights are on, its approximately on the same altitude.
11.The small green lights indicate direction to emitters other than the highest priority threat.
12.The row of lights along the bottom of the display will identify threats as follows:
13.The C light is for AWACS aircraft.
14.Above the emitter identification lights is a row of yellow lights, one of which will be lit to identify the highest priority threat.
15.The F light is for ground-based, early warning radar stations.
16.When your aircraft is scanned by a radar, a low-frequency, short audio tone will sound and the red light in the center of the display will be off.
17.You can increase and decrease the audio volume of the SPO-15 by pressing RAlt + and RAlt .
18.The H light is for short-range or self-propelled SAM systems.
19.If the red light in the center of the display is lit and a steady high-frequency audio tone is heard, you have been locked up by a radar. This will often happen prior to a missile launch.
20.At this point we've skirted a short-range SAM at a safe distance.
21.An X light is for a medium-range SAM.
22.A flashing red light and a high-frequency alert tone indicates a threat radar is in missile guidance mode, which is a sure sign of an incoming missile. Perform an evasive maneuver immediately.
23.A З (Russian Z) light is for a long-range SAM.
24.We can filter out threats that are in scan mode to de-clutter the panel. This will only leave threats that are in either lock or missile guidance modes. Press RShift R to select or deselect declutter.
25.The П (Russian P) light is for fighter aircraft radars or an active radar missile seeker.
26.Remember that the RWR cannot tell the difference between a friendly and enemy radar emitter.
27.As you can see, the SPO-15LM is an effective yet simple to use RWR system that allows you to assess radar emitter threats.
28. You can now take control of the aircraft or exit the mission by pressing ESC.
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