Chartplotter KM-8A/ONWA

KM-8A is an 8-inch GPS chartplotter with a built-in AIS transponder class B+ from ONWA Marine. The KM-8A chartplotter ensures navigational safety of navigation, displaying the location, course of the vessel on electronic charts. Supports K-Chart 2.0, K-Chart 3.0, C-Map Max, Navionics + charts. Can be expanded to echo sounder, radar functions by adding an echolocation unit, echo sounder sensor, radar antenna.

$547.00

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Chartplotter KM-8A/ONWA
Chartplotter KM-8A/ONWA - Image 2
Chartplotter KM-8A/ONWA - Image 3

Chartplotter Onwa KM-8A

AIS chartplotter KM-8A displays 700 targets, tracks 1000 automatically saved, 10 manually saved tracks. The chartplotter memory can store 12,000 user waypoints, 3 system waypoints, 30 routes. Has an automatic track log for 8,000 points, makes it possible to track the vessel’s route in both directions. The Onwa chartplotter is compatible with GNSS GPS, Beidou.

The GPS receiver of the chartplotter with 50 parallel channels continuously tracks the location of the vessel using up to 50 satellites. The navigation device can operate in harsh conditions. The display and antenna unit comply with the IPX6 protection class: they will withstand the effects of water flows from any direction. Operating temperatures of the display: from -15℃ to +55℃, antenna unit: from -25℃ to +70℃.

Application areas

  • Navigation and shipping. Ensures safe navigation by tracking and displaying the vessel’s location, course data, and maneuvers.
  • Security, protection. Can be used to monitor suspicious activity, control transportation, patrol waters.

Reasons to buy

  • Supports K-Chart 2.0, K-Chart 3.0, C-Map Max, Navionics + charts.
  • Automatic route log for 8,000 points, ability to track the vessel’s route in both directions.
  • GPS receiver with the ability to use data from 50 satellites.
  • Complies with protection class IPX6.

Compatible cards

4 2

AIS capabilities

5 8

Expandable function

6 6

Dimensions

7 2
Plotter characteristics
Waypoints/Marks
12,000 user waypoints with name, symbol, 3 system waypoints: MOB, Start, Cursor, 10 approach points
Routes
30 routes with waypoints, up to 170 points each, as well as MOB, track or go to track navigation modes
Tracks
Automatic tracking log 8000 points 10 saved routes (up to 8000 points on each) Allows you to track the route in both directions
Alarm signals
XTE, Anchor Drift, Arrival, Speed, Voltage, Waypoint Proximity, Timer, AIS Alarm (CPA/TCPA)
Drawings
1000 characters to draw; 2000 lines to draw (40 dots each); 1000 place names; 8 colors to draw
Palette
Normal, Sunlight, Night Mode, NOAA Map Color
Ebb and flow
Built-in tide data for around the world
Position format
LAT/LON
Base map
Worldwide
External map
Compatible with K-Chart2.0, K-Chart3.0, C-MAP MAX, Navionics+
Storage of user data
Internal backup of user settings or external SD card
Plotting intervals
from 5 seconds to 60 minutes or from 0.01 to 1 m
Construction of scales
from 0.001 to 700 nm
AIS
Display 700 targets
Tracking AIS targets
1000 automatically saved tracks (100 points each) 10 manually saved tracks (300 points each)
Perspective view
On/Off (C-Mar only)
Celestial bodies
Sunrise/Sunset/Moonrise/Moonset
GPS receiver characteristics
Receiver
With 50 parallel channels, continuously tracks, uses up to 50 satellites to calculate, update location
Data collection time
Cold start: 29 seconds Hot start: 1 second
Refresh rate
1 sec. or 0.1 sec. (selectable)
Accuracy
Position: 3m (95%) without S/A
Speed
0.1 m/s without S/A
SBAS
Supports
Satellite system
GPS, Beidou
Dynamics
Altitude: 18,000 m Speed: 515 m/s
System
WGS 84, user defined
Antenna
KA-07
GPS interface
GPS data
RS232 input/output, NMEA 0183 V3.01, NMEA 0183 V4.11
GPS Input Signal Frequency
Auto scan (4800, 9600, 19200, 38400)
GPS data transfer rate
Select between 4800, 9600, 19200, 38400
AIS interface
AIS data
Output RS232, VDO, VDM, GGA, GSA, GSV, VTG
AIS Input Baud Rate
38400
AIS characteristics
Frequency
156.025 MHz~162.025 MHz
Access scheme
SOTDMA
Channel bandwidth
25 kHz
Modulation
GMSK
Data transfer rate
9600 bps
Number of AIS transmitters
1
Number of AIS receivers
2
AIS Channel 1
CH 87B (161.975 MHz)
AIS Channel 2
CH 88B (162.025 MHz)
Transmitter output power
>5W (37dBm ±1.5dB)
Receiver sensitivity
<-123 dBm @ 20%
Receiver message format
AIS Class A and B messages
Comply with the standard
IEC-62287 IEC 62287-2 Ed. 2.0:2017
Echolocation unit characteristics
Echo signal color
16 colors (including background color) depending on the echo intensity. Background color can be selected from blue, light blue, white, black
Base range
5/10/20/40/80/150/200/300/600/1000 m (main ranges can be changed in the system menu)
Range Shift
Up to 1000 meters (3000 feet, 600 fathoms)
Scaling range
2, 3, 4, 6 ranges
Bottom lock
5/10 meters, 10/20 feet, 2/5 fathoms
Expansion range
Automatic mode
Automatic range and gain control
Display mode
High frequency (200K), Low frequency (50K), Dual (200K, 50K 1/2 display each), Zoom (200K, 50K zoom), A-sight display, Display zoom, Bottom zoom, Bottom lock expansion
Display advance speed
Lines/TX: Latch, 1/8, 1/4, 1/2, 1/1, 2/1, 4/1, 6/1, 8/1, 10/1
Transmission frequency
50 or 200 kHz
Output power
Rated power 600 W (up to 1 kW when using a high power sensor)
Interference suppression device
Rejects unwanted signals by comparing the last echo signals with the current ones in terms of strength
Signaling
Fish alarm, bottom alarm, temperature alarm (requires sensor)
Support for NMEA0183 protocol
ENTER, auto scan speed
GGA, GLL, GSA, GSV, RMC, HDG, HDM, HDT VTG, ZDA, MTW, VWR, VWT, MWD, VPW, VHW TLL, TTM, VDO, VDM, GNS, MTA RMA, DBT, DPT, MWV, BWC, XTE, ZDL, WPL, AAM, APB, BOD, RMB, DSC, MDA, RPM, XDR
OUTPUT, data transfer rate: selectable 4800, 9600, 19200, 38400
GGA, GLL, RMC, GSA, GSV, AAM, APA APB, BOD, BWC, BWR, DBT, DPT, HDT MTW, RMB, TLL, VTG, WPL, XTE, ZDA ZTG, ZDL, MWD, VPW, VWR, VWT
Autopilot outputs
APA, APB, XTE, BOD
Power supply
10.5 to 30 VDC, current consumption 1.0 A at 12 V
Physical data
Size, mm
187(H)x288(W)x79(D)
Weight, kg
2.5
Display
8-inch color TFT display, 1024×768 pixels
Water resistance
Display (front panel): IPX6 Antenna unit: IPX6
Temperature range
Display: -15℃ to +55℃ Antenna unit: -25℃ to +70℃

 

Equipment

  • Display unit – 1 pc.
  • Brief operating instructions for the device – 1 pc.
  • GPS antenna (10 m cable) – 1 pc.
  • Mounting brackets – 1 set.
  • Standard set of accessories – 1 pc.
  • Ethernet port (Onwa Radar, KM-sonar, KM-router, ONENET (beta version) – 1 pc.

Optional：

  • Radar antennas: KRA-1007, 1009, 3002, 4001
  • KM-Router Wi-Fi, Ethernet router
  • Echolocation unit KM-Sonar
  • VHF antenna KA-159
  • Heading sensor KA-GC9A
  • Ultrasonic Weather Sensor/Anemometer KW-360, KW-360mini
  • Temperature sensors: KTS-10K_TH, KTS-10K_TM
  • Echo sounder transducers: NMM40-50/200T, NBM40-50/200T, KTD-520_TM, TMM40-50/200X-T, KC-2W N2K to NMEA0183 bidirectional converter

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