Mark 92 Guided Missile Fire Control System

thumb|300px|right|The Mark 92 is part of the combat systems of the Oliver Hazard Perry class frigate The '''Mark 92 Fire Control System''' is a US-built medium-range anti-aircraft missile and gun fire control system. It was developed for the FFG-7 Oliver Hazard Perry class guided missile frigates. The system is a licensed USN version of the Thales Nederland WM-25 fire control system. The Mark 92 fire control system was approved for service use in 1975. Introduction to the fleet and follow-on test and evaluation began in 1978.<ref name=GlobalSec>{{cite web|url=http://www.globalsecurity.org/military/systems/ship/systems/mk-92-fcs.htm|title=MK 92 Fire Control System (FCS)|publisher=GlobalSecurity.org|accessdate=2008-12-12}}</ref>

==Radar Systems== thumb|right|upright|MK-92 Mod 2 Functional Diagram.jpg The Mark 92 system assigns targets via the ship's air search radar, and surface search radar or from the Mark 92's own search radar capabilities.<ref name=GlobalSec/> The system has two or three radar sub-systems depending on the model. The first two are combined into a single system called the Combined Antenna System or CAS is used in all models. The CAS has a track while scan radar (Search) and a tracking radar both housed in an egg shaped radome. The radars can search for, track, and illuminate targets.  There is also a third radar for target illumination referred to as the Separate Target Illumination Radar or STIR. The STIR is a radar developed from the AN/SPG-60 radar that is part of the Mark 86 gun fire control system.

*Mark 92 modification 0 is an early version of the system for the USN. ::Gun and missile control: ::1 air engagement channel ::2 surface-search, TWS channels

*Mark 92 modification 1 is the version used by United States Coast Guard cutters as well as the PHM-1 Class USN hydrofoils (excluding {{USS|Pegasus|PHM-1|6}}. It does not use the STIR or control surface to air missiles. :Gun only: ::1 air engagement channel ::2 surface-search, TWS channels

*Mark 92 modification 2 is the version that was originally fit to USN Oliver Hazard Perry-class guided missile frigates. It was also installed on the ''Adelaide''-class derivatives built for Australia. ::Gun and missile control: ::2 air engagement channels, including STIR with Mark 107 console ::2 surface-search, TWS channels

*Mark 92 modification 5 is used by certain Saudi Arabian Badr-class corvettes ([http://militaryedge.org/armaments/al-siddiq-pgg-1-class/ PGG] and [http://militaryedge.org/armaments/badr-class-pcg-1-class/ PCG] Class ships). ::Gun only: ::1 air engagement channel ::2 surface-search, TWS channels

*Mark 92 modification 6 is an upgraded version of the modification 2 as part of the CORT program. It was installed on 12 USN FFG-7-class frigates, the eight Republic of China Navy's Cheng Kung-class frigates and two of the Spanish Santa Maria-class frigates. ::2 air engagement channels, including STIR with Mark 107 console and (coherent receiver/transmitter CORT) transceiver ::2 surface-search, TWS channels

{| class="wikitable" |Modification |Surface Engagement Channels |Air Engagement Channels (gun) |Air Engagement Channels (missile) |- |0 |2 |1 |1 |- |1 |2 |1 |0 |- |2 |2 |1 |2 |- |5 |2 |1 |0 |- |6 |2 |1 |2 |- |} <ref>{{cite web|url=http://www.globalsecurity.org/military/systems/ship/systems/mk92-fcs.pdf|title=MK 92 Fire Control System Manufacturer Doc. |publisher=GlobalSecurity.org|accessdate=2009-02-26}}</ref>

==STIR (Separate Target Illumination Radar) Deactivated==

The USN retired the RIM-66E, or Standard missile-1, from active service in 2003. Oliver Hazard Perry frigates in USN service have had the STIR radar removed. The STIR radars are still in use on non-USN vessels.

==References==

==See also== *Badr class corvette *Hamilton class cutter *RIM-66 Standard *Oliver Hazard Perry class frigate *Mark 74 "Tartar" Guided Missile Fire Control System *USCG Medium Endurance Cutter *{{Commonscat-inline|Mark 92 Fire Control System}}

Mk092 Weapons Category:Military equipment introduced in the 1970s