Timeline

		1964	1965	1966	1967	1968	1969	1970	1971	1972	1973	1974	1975	1976	1977	1978	1979	1980	1981	1982	1983	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012	2013	2014	2015	2016	2017	2018
Major Modifications	Sea King Improvement Plan (SKIP)
	Sea King Omnibus Modification Plan (SKOMP)
	Sea King Modernization Plan (SKMP)
	Sea King Wire Replacement Program
	Depot Level Inspection and Repair Plan
	Helicopter Towed Array Support (HELTAS)
Special Configurations	Utility and Rescue Configuration 124??, 124??, 124??
	Advanced Developmental Installations 12411
	Gulf Modifications 12403?, 12404, 12412, 12413, 12417, 12426
	Helicopter Acoustic Processing System (HAPS) 12421
	ASP Trials 12406
	RCAF Project 91 12416
		1964	1965	1966	1967	1968	1969	1970	1971	1972	1973	1974	1975	1976	1977	1978	1979	1980	1981	1982	1983	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012	2013	2014	2015	2016	2017	2018
Tactical Consoles	Single Forward Facing
	Double Forward Facing
	Double Side Facing
Tactical Navigation	Mk-6 Plotting Board
	ASN-501 Tactical Navigation System
	ASN-123 Tactical Navigation System																													CD-460					CD-471
	Rev F S/W
	Rev H-1 S/W
	Rev H-2(C) S/W
	Augmented Surface Plot (ASP)
	Rev 3 S/W
	Rev 4 S/W
		1964	1965	1966	1967	1968	1969	1970	1971	1972	1973	1974	1975	1976	1977	1978	1979	1980	1981	1982	1983	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012	2013	2014	2015	2016	2017	2018
Sensors	APS-503 Radar
	ASP Scan Converter
	AQS-10 Sonar
	AQS-13 Sonar				B/111
	AQS-501 Sonar				A/190
	AQS-502 Sonar													CD-319
	ARR-52A Sonobuoy Receivers
	UYS-503 Sonobuoy Processor																													CD-460																			CD-478
	Version 6 S/W
	ARR-75 Sonobuoy Receiver																													CD-460																			CD-476
	TD5062/AS Time Code Generator System																													CD-460																			CD-480
	M14E Tape Recorder System																													CD-460																			CD-481
	AQS-504(V) Magnetic Anomaly Detector (MAD)																							CD-440						CD-460																			CD-482
	Version ? S/W (Automatic Compensation)
	FLIR-2000 Forward Looking Infrared																											CD-648					CD-466
	SA-161MH Automatic Identification System (AIS)
		1964	1965	1966	1967	1968	1969	1970	1971	1972	1973	1974	1975	1976	1977	1978	1979	1980	1981	1982	1983	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012	2013	2014	2015	2016	2017	2018
Navigation Aids	? Compass
	GHARS Gyroscopic Heading Attitude Reference System
	Marconi ? Doppler
	APN-513 Doppler
	PSN-10(V) Global Positioning System (GPS)
	SA-161MH Global Positioning System (GPS)
	APN-171(V) Radar Altimeter
	ARN-501(V) Tactical Air Navigation (TACAN)
	ARN-504(V) Tactical Air Navigation (TACAN)
	ARN-127 (VOR/ILS) VHF Omnidirection Range / Instrument Landing System
	? Automatic Direction Finder (ADF)
	ARA-25 Direction Finder
	? On Top Position Indicator (OTPI)
		1964	1965	1966	1967	1968	1969	1970	1971	1972	1973	1974	1975	1976	1977	1978	1979	1980	1981	1982	1983	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012	2013	2014	2015	2016	2017	2018
Radios	AIC-4 Intercom Systerm (ICS)
	AIC-14 Intercom Systerm (ICS)
	ARC-52 Ultra high Frequency (UHF)
	TSEC KY-28 UHF Secure Voice
	ARC-164(V) Ultra High Frequency (UHF)
	ARC-164(V) Have Quick II Frequency Agile Ultra High Frequency (UHF)
	TSEC KY-58 UHF Secure Voice
	2nd ARC-164(V) UHF DICASS Command Transmitter
	ARC-94 / 618T-2 High Frequency (HF)
	ARC-505(B) High Frequency (HF)
	ARC-511(V) Very High Frequency (VHF) AM
	ARC-513(C) Very High Frequency (VHF) FM
	ARC-210 Very/Ultra High Frequency (V/UHF) AM/FM
	? Tactical Common Datalink (TCDL)
	? IFF / SIF
	APX-77A Identification Friend or Foe (IFF)
		1964	1965	1966	1967	1968	1969	1970	1971	1972	1973	1974	1975	1976	1977	1978	1979	1980	1981	1982	1983	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012	2013	2014	2015	2016	2017	2018
Self Defence	? Laser Warning Receiver (LWR)
	ALQ-144(V) Infrared Countermeasures (IRCM)
	M-130 Flare Dispenser System
	ALE-37 ECM Dispensing System
	R-30(V) Radar Warning Receiver (RWR)
	? Missile Alert Warning System (MAWS)
Armament	? External Stores Control
	? Internal Stores Control
	DCU-41A Armament Control Panel (Torpedo Presetter)
	C7821/A Airborne Torpedo Presetter
		1964	1965	1966	1967	1968	1969	1970	1971	1972	1973	1974	1975	1976	1977	1978	1979	1980	1981	1982	1983	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012	2013	2014	2015	2016	2017	2018