Friday, November 21, 2008

AN/ALQ-157

Also Known As
AN/ALQ-157A(V)1

Origin
United States of America

Contractor/s
BAE Systems

Applications
C-130H Hercules
CH-46D Sea Knight
CH-46E Sea Knight
CH-47D Chinook
CH-53D Sea Stallion
CH-53E Super Stallion
MH-53J Pave Low III
P-3C Orion
SH-3 Sea King

Description: The AN/ALQ-157 is an infrared countermeasures system used by the US Marine Corps and Navy aircraft to defeat heat-seeking missiles by jamming its seeker through pulsed, high-intensity IR energy. It replaced the Lockheed Martin AN/ALQ-123. It suits both helicopter and airplane applications.

ALQ-157 has been integrated onto SH-3 Sea King, CH-46 Sea Knight, CH-47D Chinook, C/MH-53 Sea Stallion, C-130 Hercules and P-3C Orion aircraft. BAE Systems is upgrading more than 350 ALQ-157s to the AN/ALQ-157A(V)1 configuration. The upgrade program is expected to complete in 2006.

Operators

United States of America

Notes
(*) lead contractor
IOC: Initial Operating Capability
FOC: Full Operating Capability
CEP: Circular Error Probable
Comm: Commissioning Date
Meters (m) Kilometers (km) Nautic Miles (nm) Inch (in) Yard (yd) Foot (ft) Millimeter (mm)
Pound (lb) Kilogram (kg) kN (KiloNewton) Ton (t)
Meters per Second (mps) Kilometers per Hour (kph) Knot (kt) Miles per Hour (mph)
Liter (l) Galon (gl)
Year (yr) Minutes (min) Second (sec)
Shaft-Horse-Power (shp)

Last Updated: Saturday, October 25, 2008

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