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CH-124 Sea King Tactical Fit
The Technical Story
The Operational Story
Timeline
Models
CHSS-2
CH-124
CH-124A
CH-124B
Equipment
Tactical Consoles
Single Forward Facing Console
Double Forward Facing Consoles
Side Facing Console
Tactical Navigation
Mk-6 Plotting Board
ASA-13 Dead Reckoning Computer Plotter
ASN-501 Tactical Navigation Computer
ASN-123C Tactical Navigation System
ASN-123C Navigational Computer
ASN-123C Display Indicator
ASN-123C Control Indicator
ASN-123C Computer Control
Augmented Surface Plot (ASP)
Sensors
APS-503 Search Radar
APS-503 Radar Control Panel
APS-503 Radar Range and Bearing Control Panel
APS-503 Radar Azimuth – Range Indicator
APS-503 Radar Transmitter – Receiver
AQS-10 Sonar
AQS-13 Sonar
AQS-501 Sonar
AQS-502 Sonar
ARR-52A Sonobuoy Receiver
UYS-503 Sonobuoy Processor
AQS-504(V) Magnetic Anomaly Detector (MAD)
FLIR-2000
SA-161MH Automatic Identification System (AIS)
Navigation Aids
? Compass
Gyroscopic Heading and Reference Systems (GHARS)
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 VHF Omnidirectional Range / Instrument Landing System (VOR/ILS)
Automatic Direction Finder (ADF)
ARA-25 Direction Finder
On Top Position Indicator (OTPI)
Radios
AIC-4 Intercom System (ICS)
AIC-14 Intercom System (ICS)
ICS Master Control Panel
ICS Transmitter Selector Panel
ICS Receiver Selector Panel
ARC-52 Ultra High Frequency (UHF)
ARC-164 (V) Ultra High Frequency (UHF)
ARC-94 / 618T-2 High Frequency (HF)
ARC-505(B) High Frequency
ARC-511(V) Very High Frequency Amplitude Modulation (VHF-AM)
ARC-501(C) Very Highy Frequency Frequency Modulation (VHF-FM)
ARC-210 Very/Ultra high Frequency Amplitude/Frequency Modulation (V/UHF AM/FM)
Tactical Common Data Link (TCDL)
IFF / SIF
APX-77A Identification Friend or Foe (IFF)
Self Defence
Laser Warning Receiver
ALQ-144(V) Infrared Countermeasures Set (IRCM)
M-130 Flare Dispenser System
ALE-37 Electronic Counter Measures (ECM) Dispensing System
ALR-30(V) Radar Warning Receiver (RWR)
Missile Alert Warning System (MAWS)
Armament
Modifications
Major Modifications
Sea King Improvement Plan (SKIP)
Sea King Modernization Plan (SKMP)
Sea King Omnibus Modification Plan (SKOMP)
Sea King Wire Replacement Program
Depot Level Inspection and Repair Program
Helicopter Towed Array Support (HELTAS)
Special Configurations
Utility and Rescue Configuration
Advanced Developmental Installations
Gulf Modifications
Helicopter Acoustic Processing System
ASP Trials
RCAF Project 91
3rd Line Modifications
B/26 Introduction of Marconi Doppler Navigation System
B/33 Installation of 618T-2 HF Radio Equipment
B/37 Installation of AN/ARN501(V) TACAN
B/111 Retrofit of AN/AQS-13 Sonar
B/132 Installation of Gyroscopic Heading and Attitude Reference System (GHARS)
B/138 Installation of Clock Type A-13A-2 as an Alternate to A-13A
B/150 Installation of AN/ASN-501
B/185 Utility Rescue Conversion
B/187 Installation of DCU41/A Armament Control Panel
CD-319 AN/AQS-13 Sonar Improvements
CD-363 Installation of On-top Position Indicator
CD-378 Incorporation of APX-77A Radar Identification System in CH124A Aircraft
CD-382 Secure Voice Equipment Installation
CD-414 Design Improvements to TACCO Table
CD-426 Installation of APN-171(V)
CD-427 Installation of AN/ARC511(V) and AN/ARC513(C) Fixed Fittings
CD-428 Installation of AN/ARR-52A Sonobuoy Receiving Set
CD-431 Relocation of KY-28 Secure Voice Equipment
CD-439 Advanced Developmental Special Avionics Installation
CD-440 Advanced Developmental MAD Installation
CD-444 Installation of AN/APN513 Doppler
CD-455 Installation of AN/ARC 164(V) UHF Radio Communication System
CD-456 Installation of the KY58/KY75 Secure Voice Systems
CD-460 Helicopter Towed Array Support (HELTAS) System Installation
CD-463 Installation of the AN/ARN-127 VOR/ILS/Marker Beacon Navigation System
CD-466 Forward Looking Infrared (FLIR) System Mission-fit Installation
CD-467 Relocation of Avionics Equipment to Improve Centre OF Gravity
CD-471 AN/ASN123C Tactical Navigation System Installation (CH124A)
CD-476 CH124B Conversion Program Removal of the ARR-75 Sonobuoy Receiver System
CD-478 CH124B Conversion Program Removal of the UYS-503 Sonobuoy Processor System
CD-479 CH124B Conversion Program Removal of the 2ARC-164(V) UHF Sonobuoy Command System
CD-480 CH124B Conversion Program Removal of the TD5062/AS Time Code Generator System
CD-481 CH124B Conversion Program Removal of the M14E Tape Recorder System
CD-482 CH124B Conversion Program Removal of the ASQ-504(V) Magnetic Anomaly Detector Capsule System
CD-483 CH124B Conversion Program Installation of the “A” Model FLIR Display in the Side-facing Console
CD-486 CH124B Conversion Program Removal of the Internal Sonobuoy Dispenser System
CD-498 CH124B Conversion Program Removal of the VHF-FM ARC 513 System
1st and 2nd Line Modifications
A/16 Re-arrangement of Instrument Panel
A/25 (Reserved) C1607/ARC-52 Control Panel – introduction of
A/60 Replacement of Pilots and Copilots Bearing and Distance Heading Indicators
A/63 Introduction of Airspeed Indicator P/N B12963-10-016
A/68 (Reserved) Incorporation of 671-CLU-4-035 RCN-1 Altimeter
A/139 (Reserved) Re-identification of Component Parts from AN/ARC-94 to AN/ARC-505(B)
A/163 Relocation of IFF and SIF Control Boxes
A/190 AN/ASQ-501 Acceptable Alternate for AN/AQS-13
A/217 Incorporation of Table Assembly ASN-501 Console
A/242 Wiring Change to Bypass ASN-501 Variation Control
A/243 Additional Intercom Installation
A/274 Repositioning of BDHI on ASN-501 Console
A/313 BDHI Control Panel
CF-372 Installation of AN/ARN504(V) TACAN
CF-410 Installation of Transmit Control Panels on Sideways Facing Sensor Station
CF-430 Replacement of KE-28 Deviation Compensated Adapter with CRA2-2A Synchro Signal Amplifier
CF-454 Repositioning of Sonar Operator’s Intercom Control Panels
CF-554 Installation of Clearing Switch on Stores Load Select Panel (TACCO)
CF-581 Introduction of a CH124A Internal Store Information Panel
CF-601 Installation of Sonar Cable Payout Monitor II
CF-644 (Cancelled) Installation of a Laser Warning Receiver (LWR)
CF-645 (Cancelled) Installation of a Global Positioning System (GPS)
CF-646 (Cancelled) Installation of a Infrared Countermeasures Set (IRCM) ALQ-144(V)
CF-647 (Cancelled) Installation of a M-130 Flare Dispenser System
CF-648 (Cancelled) Installation of a Forward Looking Infrared System (FLIR 2000[G])
CF-651 (Cancelled) Installation of a ECM Dispensing System ALE 37
CF-652 (Cancelled) Installation of a Radar Warning Receiver (RWR) N/APR-30(V)
CF-654 (Cancelled) Missile Alert WarningSystem (MAWS)
CF-686 Installation of Global Positioning System (GPS)
CF-706 ASN-123C Tactical Navigation System Interface with the Sonobuoy Dispenser System
CF-707 ASN-123C Tactical Navigation System Interface with APN-171 Radar Altimeter
CF-721 Have Quick II Installation CH124 Sea King Helicopter
CF-722 ASN-123C Tactical Navigation System Interface with GPS and AN/ASN-123C RevH Software Installation
CF-728 Doppler/ASN123C Interface – CH124B Aircraft
CF-729 Doppler/ASN123C Interface – CH124 HAPS Aircraft
CF-730 Doppler/ASN123C Interface – CH124A Aircraft
CF-750 Installation of the AN/ALQ-144 Infrared Countermeasures
CF-751 Replacement of AN/UYS-503(V)4 Processor PN 159593-903 with PN 159593-904 for the Installation of Software Upgrade SCON(V)3 and GCON(V)6
CF-754 AIC14 Intercom Upgrade
CF-757 ASN-123 Tactical Navigation Sonar Interface Wiring Installation (For use with Revision H2C)
CF-758 ASN-123 Tactical Navigation Interface Wiring Installation – CH124A
CF-777 Installation of ARC 210 Radio System on a CH124B Helicopter
CF-804 CH124A/B Night vision Imaging System Lighting Compatibility Conversion
Sea Kings By The Numbers
Sea King Tail Numbers
12401
12402
12403
12404
12405
12406
12407
12408
12409
12410
12411
12412
12413
12414
12415
12416
12417
12418
12419
12420
12421
12422
12423
12424
12425
12426
12427
12428
12429
12430
12431
12432
12433
12434
12435
12436
12437
12438
12439
12440
12441
Tail Number Timeline
Sea King Capable Canadian Ships
HMCS Bonaventure
St Laurent Class
HMCS St Laurent
HMCS Saguenay
HMCS Skeena
HMCS Ottawa
HMCS Margaree
HMCS Fraser
HMCS Assiniboine
HMCS Provider
Annapolis Class
HMCS Annapolis
HMCS Nipigon
Protecteur Class
HMCS Protecteur
HMCS Preserver
Iroquois Class
HMCS Iroquois
HMCS Huron
HMCS Athabaskan
HMCS Algonquin
Halifax Class
HMCS Halifax
HMCS Vancouver
HMCS Ville de Quebec
HMCS Toronto
HMCS Regina
HMCS Calgary
HMCS Montréal
HMCS Fredericton
HMCS Winnipeg
HMCS Charlottetown
HMCS St John’s
HMCS Ottawa
Hull Number Timeline
Sea King Deployments
Deployments Timeline
Blog
Publications
AIRCRAFT OPERATING INSTRUCTIONS
PART 1 – GENERAL DESCRIPTION – AIRCRAFT AND SYSTEMS
Section 12 – Anti-submarine Warfare Equipment – CH124A
ON-TOP POSITION INDICATOR (OTPI) (AN/ARR-1047 A/A)
General
VHF Radio Receiver
RF Amplifier
OTPI Control Panel
