AN/ALQ-135

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The AN/ALQ-135 is an electronic countermeasure (ECM) jamming system produced by Northrop Grumman for the Tactical Electronic Warfare Suite (TEWS) on F-15 eagle and F-15E strike eagle aircraft. The system can jam and track multiple anti aircraft missiles and other threats.[1] During the Gulf War, the AN/ALQ-135 logged more than 6,600 hours of combat and not one F-15 was lost to a threat that was covered by the system.[2]

Development[edit]

Since the 1970s, the AN/ALQ-135 system has been on F-15 aircraft. The system has been continually upgraded. These upgrades include processor upgrades, durability upgrades, and weight reduction. Now the system is installed on more than 500 F-15s The band 3 system was first installed in 1988.The band 1.5 system was first installed in F-15s in 2000.[2]

System Information[edit]

The modern system consists of five components of band 1.5 and band 3 equipment to cover the full spectrum of threats. The AN/ALQ-135 (v) system consists of the B3 RF Amplifier, B3 Control/Oscillator, B1.5 RF Amplifier, B1.5 Control/Oscillator, and the LRU-14.

The band 1.5 and band 3 equipment share 70% of their hardware. This means that logistics and maintenance are more easily performed. The band 1.5 and band 3 systems can jam both high band and low band threats.

The Band 3 Radio Frequency (B3 RF) amplifier is 97 pounds (44 kilograms),has a volume of 2030 inches³ (.033m³), and the dimensions are 11.8 X 8 X 21.5 inches (30 X 20.3 X 54.6 centimenters). The band 3 (B3) Control/Oscillator is 116 pounds (52.7 kilograms), has a volume of 2408 inches³ (.039 meters³), and the dimensions are 14 X 8 X 21.5 inches (35.6 X 20.3 X 54.6 centimeters). The Band 1.5 (B1.5) Amplifier is 95 pounds (43.2 kilograms), has a volume of 2030 inches³(.033 meters³), and the dimensions are 11.8 X 8 X 21.5 inches (30 X 20.3 X 54.6 centimeters). The band 1.5 (B1.5) control/oscillator is 100 pounds (45.5 kilograms), has a volume of 2408 inches³ (.039 meters³), and the dimensions are 14 X 8 X 21.5 inches (35.6 X 20.3 X 54.6 centimeters). The LRU-14 subsystem has a weight of 10.5 pounds (4.8 kilograms), a volume of 195 inches³ (.0032 meters³), and the dimensions are 3.5 X 8.25 X 6.75 inches (8.9 X 21 X 17.1 centimeters).[2]

Variants[edit]

AN/ALQ-135D

Used by F-15E

AN/ALQ-135M

Used by F-15K[1]

See also[edit]

References[edit]

External links[edit]

  • AN/ALQ-135 globalsecurity.org [1]
  • AN/ALQ-135 (V) northrorgrumman.com [2]
  • AN/ALQ-135M northroprumman.com [3]