CH-148  Helicopter - Electronics Suite


cyclone_s92_cockpit_s.jpg This is the Sikorsky S-92 cockpit which is the civilian model of the H-92 (CH-148) Cyclone. For now (early 2011), Sikorsky is still calling the H-92 the SuperHawk. Click on image to enlarge. See below for the differences between the civilian and military versions.

Jeff  Jobb was a former Canadian Naval officer and was also with General Dynamics Canada working on the MHP program for the last 6 years and up to January 2011. He provides some data on the CH-148 avionics fits.

The main differences between the civilian and CF variants in the cockpit are as follows:

* The centerline Rockwell-Collins Multi-function display (MFD) is replaced with a General Dynamics Canada Cockpit tactical display (CTD) which provides the mission system control and display functions for the pilots.

* There are two CMC Electronics (Esterline) CMA-4000 series Flight Management  system Control and display Units (FMCDU’s) in the center console, one for each pilot to independently manage all cockpit displays, communications and navigation systems.

* There are two CTD display controllers in the center console, to control the CTD.

* There is a General Dynamics Canada Threat Warning display above and to the left of the center display, providing ESM, radar warning and missile threat data.

* There is an auxiliary control for one of the ARC-210 radios
* There is an auxiliary control for the HF radio.
* There is an auxiliary control for the VHF radio
* There are dual controls for the FLIR turret
* There is a weapons stores release panel
* There is a counter-measures control panel
* There is a loudhailer control panel

The radio fit is as follows: (source is Rockwell-Collins and Sikorsky).

* Three ARC-210(V) RT-1851C V/UHF multi-band radios.  V/UHF-3 is rigged with a SATCOM mounting.
* One HF-9087D  HF Radio system with KY-100 encryption
* One VHF-AM role fit radio for air-ground operations
* One VHF-FM marine radio as an auxiliary

The Link-11 system is the Ultra Electronics Multi-Link Processor (MLP).

Major Wayne Joy, Staff Officer for the maritime helicopter project at 12 Wing Shearwater, is responsible for all activities related to the transition from the CH-124 Sea King to the CH-148 Cyclone. He says:
“We’re introducing night-vision goggles in the Sea King because, with the Cyclone, that’ll be part of our day-to-day operations, and operating with NVGs is significantly different from flying unaided,” Maj Joy explains. Flying with night-vision goggles means no depth perception, little to no peripheral vision and a lack of contrast in the image presented due to the green wash imposed by the goggles".
Another significant difference that Maj. Joy and his team hope to prepare Sea King crews for is the overabundance of information that will be available on the Cyclone. Whereas the tactical crew on a Sea King must continually input information on contacts they are tracking, the numerous software systems in the Cyclone will enable it to track many contacts independently. This will allow the crew to take a more strategic role in analyzing the data rather than constantly updating it.

The Integrated Mission System for the helicopter is being developed by General Dynamics Canada, as is the Sonobuoy Acoustic Processing System. Nearly all the sensor data visible in the Cyclone cabin will be available in the cockpit except for acoustic returns. Doctrine for the Canadian Forces says that its not a pilot function. However all the other subsystems — radar, EO, ESM contacts — all of that information is displayed in the common tactical picture which is "customizable" by the pilots.

Cyclone's sensors, controls and displays communicate on a mix of Mil-Std-1553B databuses moving megabits of data per second and a 1 gigabit-per-second Ethernet Local Area Network. The Cyclone IMS cabin console has two workstations, each with a 20-inch flat panel display to layer digital maps, radar plots, threat warnings, sonar contacts and other symbology, and a 12-inch touchscreen to access interactive menus.
AN/APS-143B(V)3  TELEPHONICS radar.  The AN/APS-143(V)3 is a maritime surveillance and tracking radar designed for installation in a variety of fixed-wing aircraft and helicopters. It is also known as OceanEye. The system uses frequency agility and pulse compression techniques and consists of three units: an antenna, receiver/transmitter and signal processor. Radar control is via a dedicated control panel with on-screen controls, or by a central universal keyset via MIL-STD-1553B databus. Features include TWS for 30, 100 or 200 targets, air search with MTI, integrated electronic support and Mark 12A IFF system interfaces and electronic ECCM provision (including sector blanking and staggered pulse repetition frequencies).

The flat-plate planar antenna array, which can be fitted into any radome, is stabilized for ±30° in pitch and roll. The transmitter is a TWT (travelling wave tube) type with a peak power output of 8 kw and operating in the X band. The latest variant, APS-143B(V)3, can be upgraded with a complete imaging capability: range profiling, ISAR, spotlight SAR, strip-map SAR. The system can also incorporate software interfaces, via an embedded Tactical Data Management System (TDMS), for external systems such as FLIR, ESM, IFF and TDL. The TDMS capability also includes overlay of worldwide Database II or vector shoreline maps onto the radar display.

The internal, fully integrated Mark XIIA IFF interrogator has been designed to be compatible with the IFF interrogators being supplied for the US Navy’s MH-60R LAMPS helicopter, the Canadian CP-140 Aurora upgrade program, and the US and International Air Force’s AWACS platforms .IFF Mode 4 helps the Cyclone crew sort out cooperative sea and air targets in target-rich littoral regions.

Telephonics is a  subsidiary of the Griffon Corporation.

HELRAS DS-100  HELRAS DS-100 sonar by L-3 Oceans Group. The HELRAS is capable of depths up to 500 m and has figure-of-merit sufficient to achieve convergence zone detections in deep water, and transmission/receive characteristics optimized for extremely long ranges in shallow water. At 1.38 KHz, HELRAS exploits low-frequency acoustic performance to maximize detection ranges, especially in shallow water, and to defeat the hull cladding on today’s quiet submarines.
AN/ALQ-210. RWR/ESM (Radar Warning and location identifier) : Lockheed Martin AN/ALQ-210. The AN/ALQ-210 ESM subsystem performs situational awareness and threat warning functions simultaneously. The subsystem is designed with an open architecture in order to accommodate scalable functionality. It quickly detects and identifies emitters over a wide frequency range, determines the signal angle of arrival, and locates the source in dense signal environments.
SAFIRE III FLIR  -  Star SAFIRE III  (3 to 5 micron) surveillance and targeting turrets by General Dynamics Canada of Ottawa. This is an  multi-sensor imaging system. 
Type not known
at this time.
SONOBUOY:  General Dynamics Canada  - Integrated Mission System and Sonobuoy Acoustic Processing System. It is believed that the sonobuoy itself is the  AN/SSQ-62E Directional Command Active Sonobuoy System (DICASS). Based on the AN/UYS-503 processor, it also has DIFAR capability plus others. 
AN/AAR-47  Missile (Approach) Warning System.
Model unknown  Counter measures dispenser. It might be the AN/ALE-39 or 47. Need confirmation.
ARC-210(V) Three Rockwell Collins RT-1851C V/UHF multi-band radios.  V/UHF-3 is rigged with a SATCOM mounting.
HF-9087D One Rockwell Collins HF Radio system with KY-100 encryption
Model unknown  One VHF-AM "role fit" radio for air-ground operations. 
TFM-138B One VHF Transceiver (FM) 138-174 MHz . Made by Technisonic
Industries. Used as an auxiliary. (Brochure courtesy Technisonic)
AA21-405 One Loudhailer/PA system made by Northern Airborne Technology. The AA21-400 Cabin PA control is designed to provide centralized control for an aircraft's internal and external PA systems. Its 25 watt speaker driver stage is designed to drive one 8 ohm speaker for internal paging.  The AA21-400 also provides a low level audio output signal that drives the input on a remote mounted power amplifier.  A +3db function allows the output of the system to be varied by 3 db.(Photo courtesy Northern Airborne Technology)
500-27 One Personal Locator Beacon plus embedded GPS. Made by Specmat Technologies.
H-764G Three Honeywell  EGIs ( Embedded GPS Inertial). The Honeywell H-764G INS is self-contained equipment that incorporates three GG 1320 ring laser gyros, three solid-state Sunstrand QA 2000 accelerometers plus their associated electronics, a dual MILitary STanDard (MIL-STD) - 1553B databus installation, a MIL-STD-1750A microprocessor, an embedded Raytheon Global Positioning System (GPS) module with six channels and a P(Y) code capability. 
NAV-4000 One Rockwell Collins  VOR/ILS/ADF
NAV-4500 One Rockwell Collins  VOR/ILS
CMA-5024 One Esterline/CMC Electronics Civil GPS
DME-4000 One Rockwell Collins  DME
DF-430 One Rockwell Collins  Direction Finder (30 to 410 MHz)
MDMS General Dynamics Canada -  Mission Data Management System (MDMS) 
Link 11 Datalink Link 11 tactical datalink  The Link-11 system is the Ultra Electronics Multi-Link Processor (MLP) which can be upgraded to Link 22 at a later date.
CMA-4000 There are two Esterline/CMC Electronics CMA-4000 series Flight Management  system Control and Display Units (FMCDU’s). These will independently manage all cockpit displays, communications and navigation systems.
HUD (Model Unknown) Rockwell Collins  integrated cockpit and Eye HUD helmet-mounted display.
DTC1-1 A General Dynamics 10.4” Tactical Cockpit Display located in the centerline of the main cockpit console and designated the DTC1-1. It has bezel buttons to allow either pilot to quickly set the display to show Tactical data, Radar, ESM, Electro-optical (the camera turret), IFF, Self Defense system, Data Link and monitor data.
Data sheet
(Courtesy General Dynamics Canada)
SDD1-1 The Self Defence system display is the 3.5” display positioned above and left of the CTD, designated the 3ATI SDD1-1, it shows the threat data assessed by the ESM, the radar warning receiver and the laser warning system. The information is also shown on the tactical workstation console displays in the main cabin.

Data sheet
(Courtesy General Dynamics Canada)

TWC Tactical Workstation Console. The TWC is the composite material console in the main cabin where the TACCO and SENSO sit.
TWD The large screen Tactical Workstation Display (TWD1-1) is the 20.1” colour display designated the TWD1-1.   There are two mounted in the TWC, one for SENSO and one for TACCO operators.  They can display the tactical plot of data from all sensors and tactical data link, or individual sensors such as Radar/IFF, ESM, Sonar, Sonobuoys, EO/IR.

Data sheet
(Courtesy General Dynamics Canada)

PEP  Each TWD is combined with a Programmable Entry Panel (PEP2-1) display, mounted in the console just below the TWD.  The PEP is a 12.1” touch-screen display designated PEP2-1, and is used to display and select the menu selections for the operators to control the mission system and sensors.  It is normally configured to look like the second photo in the datasheet, with menu buttons – not a tactical map.

Data sheet
(Courtesy General Dynamics Canada)

An excellent article from the May 2010 issue of Avionics Magazine discusses the CH-148 electronics suite.

CH-148 Points of Interest: A left bank by the Cyclone, exposes the multitude of active and passive sensors that have been incorporated into the design in order to detect aircraft, surface and subsurface vessels, and radio frequency  and laser-threat emitters. The sensors can also survey coastlines and inland geographic features, and detect weather  systems. (A Sikorsky photo via Vertical 911 Magazine)

1. AN/AAR-47 Missile Approach Warning System.
2. AN/ALQ-210 ESM. 
3. Countermeasures Dispenser. 
4. MK-46 anti-submarine warfare torpedo. 
5. HELRAS tethered dipping sonar. 
6. Sonobuoy Chute.
7. APS-143B(V)3 Multimode Radar (Oceaneye) .
8. FLIR EO/IR STAR SAPHIRE III Multi-sensor thermal imager. 
9. HF antenna guide.
10. Personnel hoist

A General Dynamics Canada integrated mission system is now in operation as part of the mission simulator located at the Maritime Helicopter Training Centre at 12 Wing Shearwater, N.S. (A Sikorsky Photo) 

Credits and References:

1)  AN/APS-143B Maritime radar
3) L-3 Oceans Group
4) Jeff Jobb <jjobb(at)>
6) H764-G
7) 500-27
8) AA21-405
9) H764
10) CMA5024
11) General Dynamics Canada
12) CMA 9000
13) Vertical 911 Magazine
14) SSQ-62 sonobuoys.
15) Kevin Sanford  <Kevin.Sanford(at)>

Back to CH-148 Main Document
Nov 18/16