AN/APQ-159 Fire Control Radar
The AN/APQ-159 radar is designed for air target search, lock-on, and tracking for head-on and stern
attacks in open airspace.
Table 5. Radar controls and indicators in cockpit
1. Elevation (ELEV) Antenna Tilt Control Adjusts antenna tilt angle 45 degrees up and 40
degrees down relative to aircraft ARL (armament
reference line).
2. Target Designator Control (TDC) button Positions Acquisition Symbol.
The maximum possible displacement of the
acquisition symbol equals 10 miles.
3. Range Selector Selects radar range. Range is indicated in nautical
miles.
4. AN/ASG-31 Sight Mode Selector OFF — Turns off the AN/ASG-31.
MSL — Selects missile mode.
A/A1 and A/A2 GUNS — Selects guns mode.
MAN — Selects AN/ASG–31 manual control mode.
5. Range Scale Lights Indicates radar operating range in nautical miles.
6. Acquisition Symbol Provides target bracketing and acquisition.
Displayed on radarscope in search and acquisition
phases.
Not displayed in 40-mile range.
7. IN RANGE Light Indicates permissible range.
1 2 4
13
5 7 3
6
15
16
17
8
9
10
12
14
11