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Identification Friend or Foe (IFF)

Combined Interrogator Transponders (CIT)

Combined interrogator transponders (CIT)
Combined interrogator transponders are compact, versatile, complete IFF systems for highly mobile platforms.

The AN/APX-113(V) is a versatile system used not only on the USAF F-16 fighter, but also on ASW/Surveillance helicopters, aerostats, MIG-29, Japan’s F-2 fighter, and other international platforms.

The AN/APX-125 CIT was adapted from the BAE Systems APX-113 IFF interrogator and transponder. These CITs give the warfighter added ability to identify friendly aircraft in a secure environment.  The AN/APX-125 is fully Mode 5 capable.