(NU) STANAG 4193, at Edition 3, defines the technical characteristics of the IFF Mk XIIA system. The IFF Mk XIIA system is a development of the previously implemented IFF Mk XA and IFF Mk XII systems, providing an enhanced Identification Friend or Foe (IFF) capability whilst maintaining interoperability with civil Secondary Surveillance Radar (SSR).
(NU) STANAG 4193 (Part III) defines the installed characteristics of the IFF Mk XIIA system. The requirements applicable to any specific category of equipment are referenced by STANAG 4193 (Part I), which describes the IFF Mk XIIA system and defines general system characteristics. Classified characteristics of the IFF Mk XIIA system are defined in STANAG 4193 (Part II).
(NU) This Annex to STANAG 4193 (Part III) defines relevant functional and performance requirements applicable to both interrogator and transponder installations. The requirements specified are those considered to be the minimum necessary to ensure adequate overall IFF system performance.
