HMS 200 - Helideck Monitoring System

HMS 200 - Helideck Monitoring System
HMS 200
March 2015
Civil and military helicopters are required to operate in hostile environments. The HMS 200 is designed to improve flight and passenger safety in these conditions by providing real-time monitoring of helideck motion and
weather conditions. The HMS 200 is fully compliant with the prevailing recommendations issued by the Civil
Aviation Authority in both UK (CAP437), Norway (BSL D 5-1) and Brazil (NORMAM-27).
The HMS 200 (Helideck Monitoring System) is designed to
measure helideck motion during helicopter landing and takeoff operations in order to improve both flight and passenger
safety. HMS 200 monitors the helideck’s heave, heave velocity,
roll, pitch and inclination in real-time. The core of the system
uses the Motion Reference Unit, MRU, to precisely monitor the
vessel motion. These data are transferred to the HMS Processing Unit, which processes all helideck motion data in our unique
HMS 200 software. The HMS 200 system can interface to, use
and display data from meteorological sensors and monitor the
environmental conditions at the helideck (wind speed, wind
direction, air and sea temperature, humidity, barometric pressure, cloud height, visibility, present weather and wave height).
In addition HMS 200 can use and display navigation data from
GPS and gyrocompass sensors.
The HMS 200 system processes and presents helideck motion
data in a clear, easy-to-read graphic user interface. An automatic generation of a helideck report that can be sent by e-mail
to the helicopter operator, is included. This helideck report
includes vessel information, motion data, meteorological data
and logistic information vital for helicopter operations. Live
vessel data can be made available if the HMS 200 installation is
connected through a web client.
Compliant with Civil Aviation Authority regulations
The HMS 200 is fully compliant with the prevailing recommendations and guidelines issued by the Civil Aviation Authority in
both UK, Norway and Brazil. Further it is fully compliant with the
reporting requirements from the UK and Norwegian Offshore
Helicopter Operators (HCA) published in “Standard Measurements Equipment for Helideck Monitoring Systems (HMS) and
Weather Data”, revision 8c. The HMS 200 software is designed
with easy upgrade facilities if any future improvements or requirements should be issued by the Civil Aviation Authorities.
Flexible and easy installation
The Motion Reference Unit, MRU, with the aid of selected lever
arms in the set-up procedures, enables total installation
flexibility. The unit can be installed at the helideck, on the bridge
or at any other suitable location on the vessel. The lever arm
software makes it possible for the operator to set up the
measuring point to be precisely at the centre of the helideck.
Advanced features in the HMS include
- 720-hour logging capability according to new regulations
- Electronic transmission of data using Ethernet
- Live vessel data available through the Web HMS 200 service
- Check and verification module and procedures
• Real-time presentation of roll, pitch, heave amplitude
and heave rate
• Meteorological data acquisition and presentation available
• Cloud height, visibility and present weather interface included
• Redundant air pressure sensors can be interfaced
• Output of motion and meteorological data on serial line or
• Selectable motion sensor input from MRU or Seapath
• Live vessel data available through the Web HMS 200 service
• Check and verification tool included
• Wave and air gap sensor interface included
Dynamic accuracy (MRU H or E) 0.05° RMS (for a ±5° amplitude)
Output range
± 50 m, adjustable
0 to 25 s
Dynamic accuracy (RMS)
5 cm or 5 % whichever is highest
The weather sensor feature solid-state designs with no moving parts.
Sensor type
Wind speed and direction
Air temperature
Ultrasonic anemometer
Capacitive measurement
Capacitive measurement
Barometric pressure
Capacitive measurement
Cloud height
Forward-scatter measurement
Present weather
RAINCAP® sensor element
Wave and air gap
Vertical radar
Sensor range
Wind speed
0 to 60 m/s
Wind direction
0 to 359°
Air temperature
-40 °C to +60 °C
0 to 100 %
Barometric pressure
800 to 1100 hPa
Cloud height
0 to 25000 feet
10 to 20000 m
Wave and air gap
3 to 47 m
Processing Unit
HMI Unit
5.4 kg, 89 x 485 x 357 mm
3.8 kg, 44 x 485 x 330 mm
3.8 kg, 383 x 380 x 170 mm
2.4 kg, 140 x Ø105 mm
Processing Unit
HMI Unit
100 to 240 V AC, 75 W (max)
100 to 240 V AC, 40 W (max)
100 to 240 V AC, 23 W (max)
24 V DC from Processing Unit
Operating temperature
Processing and HMI Unit
-15 to +55 ºC
+5 to +40 °C
-5 to +55 °C
Humidity (enclosure protection)
Processing and HMI Unit
10 to 95 % rel. non condensing (IP 21)
20 to 80 % rel. non condensing (IP 21)
Hermetically sealed (IP 66)
IEC 60945/EN 60945
Electromagnetic compatibility
Compliance to EMCD,
IEC 60945/EN 60945
Specifications subject to change without any further notice.
E-mail: [email protected]
Telephone: +47 73 54 55 00
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