ONWA KP-25/27/29 Series Chartplotters

5, 7 and 9- inch chartplotters with optionally built-in Class B+AIS and fishfinder function

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Product Description
Specification
In the Box
Manuals & Firmware
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Set Sail and Enjoy the Open Waters

Set sail into the open waters and embrace the freedom of the sea with the KP Series Chartplotters. Crafted for precision and simplicity, these chartplotters feature high-resolution touchscreens, accurate GPS positioning, and real-time weather updates, ensuring a smooth and secure sailing experience. Whether you’re charting familiar routes or discovering new horizons, the KP Series is your trusted companion for every maritime journey. Navigate the open waters with confidence, control, and the thrill of adventure.

Compact, Convenient and also Powerful

Our KP-25/27 series chartplotters provide up to 9 display functions, giving you full control to navigate the open waters. With a basic GPS antenna, you can effortlessly plot charts, plan routes, and measure speed.

Trustworthy Cruising Companion

Select your preferred charts for planning and navigation, with support for K-Chart 2.0/3.0 , Navionics, and C-MAP MAX. The built-in AIS system helps you avoid nearby vessels, while the integrated sonar system delivers clear underwater imaging for efficient fish finding and grounding prevention. With NMEA 0183 and NMEA 2000 compatibility, it ensures seamless data transmission for enhanced connectivity.
Built-in HD Fishfinder ( For KP-25/27/29 F,X Models )

Dual Freqeuncy: 50 and 200kHz (alternately transmitted)

Automatic Range and Gain adjustment depending on usage (Cruising or Fishing)

Excellent Sea-bed Discrimination and easily identify fishes and schools of fish

Exact depth to where the school of fish is shown for ease of fishing
Built-in AIS Features ( For KP-25/27/29 A,X Models )

SOTDMA Technology -Same technology used by Class A -Guaranteed time slot allocation

5W Transmission Power– increases the range and AlS Satellite reception enabling Global tracking

Increased Transmission Rate (Based on speed)

exactTrax™: exactTrax Tracking

Physical
Plotter Characteristics
Power
GPS (GNSS)
AIS
Echo Sounder
NMEA0183
NMEA2000 and ONENET

	KP-25 SERIES	KP-27 SERIES	KP-29 SERIES
Size	143.1mm(H)X215.3mm(W)X63.1mm(D)	155.1mm(H)X241.3mm(W)X62.9mm(D)	295.5mm(L) X 172.5mm(W) X 77.7mm(H)
Weight	1.0 kg	1.2 kg	1.3 kg
Display	5-inch Color TFT daylight-view LCD, 800×480 pixels	7-inch Color TFT daylight-view LCD, 800×480 pixels	9-inch Color TFT daylight-view LCD, 1024×600 pixels
Waterproofing	Display unit (Front Panel): IP66 Antenna unit: IP66	Display unit (Front Panel): IP66 Antenna unit: IP66	Display unit (Front Panel): IP66 Antenna unit: IP66
Temperature range	Display unit: -15℃ to +55℃ Antenna unit: -25℃ to +70℃	Display unit: -15℃ to +55℃ Antenna unit: -25℃ to +70℃	Display unit: -15℃ to +55℃ Antenna unit: -25℃ to +70℃

Waypoints/icons	12,000 user waypoints with name, symbol, 3 system waypoints: MOB,Start,cursor 10 proximity waypoints
Routes	30 routes waypoint up to 170 points each, plus MOB and Track Navigation or Goto Track modes
Tracks	16,000 points automatic track log; 10 saved tracks (up to 16,000 track points each) lets you retrace your path in both directions
Alarms	XTE, Anchor drag, arrival, speed, voltage, proximity waypoint, Timer and AIS (CPA and TCPA) alarm
Drawing	1000 Drawing Marks; 2000 Drawing Lines (40 points each); 1000 Drawing Place Name; 8 colors for Drawing
Pallete	Normal Daylight exposed to sunlight Night in dark environment NOAA paperchart colors
Tides	Built-in Worldwide Tide Data
Position Format	Lat/Lon
Basemap	Worldwide
External Map	Compatible with K-Chart 2.0, K-Chart 3.0, C-Map Max and Navionics+
User Data Storage	Internal backup of user settings or external SD-card
Plot Interval	5secs to 60 mins or 0.01 to 10nm
Plotting Scales	0.001 to 700nm
AIS	700 targets display
AIS Target Tracking	10 Manually saved tracks (300 points each)
AIS Messaging	ONWA AIS to ONWA AIS
Perspective view	On/off (available for C-Map only)
Celestial	Sunrise/Sunset Moonrise/Moonset

Power Supply

10.5 to 34VDC, current drain <1.0A at 12V

Receiver	50 parallel channel GNSS receiver continuously tracks and uses up to 50 satellites to compute and update your position
Acquisition time	Cold start: 29 seconds Hot start: 1 second
Update rate	1 second
Accuracy	Position:3 meters(95%) without S/A Velocity: 0.1 meter/sec without S/A
SBAS	Supported
GNSS	GPS and Beidou (For KP-25A, KP-25X, KP-27A, KP-27X, KP-29A, and KP-29X) GLONASS (For KP-25, KP-25F, KP-27, KP-27F,KP-29, and KP-29F O)
Dynamics	Altitude: 18,000 m Velocity: 515 m/s
Datum	WGS 84 & user defined
Antenna	GPS Patch Antenna

GPS Interface (NMEA0183)
GPS Data	RS422 input/output, NMEA 0183 V3.01 and V4.11
GPS Input Baudrate	Auto Scan (4800, 9600, 19200 and 38400)
GPS Output Baudrate	Selectable among 4800, 9600, 19200 and 38400

AIS Interface (NMEA0183)
AIS Data	RS232 output VDO, VDM, GGA, GSA, GSV and RMC
AIS Output Baudrate	38,400
AIS Characteristics
Frequency Rate	156.025 MHz~162.025 MHz
Access Scheme	SOTDMA
Channel Bandwidth	25 KHz
Modulation	GMSK
Data Rate	9,600 bps
Number of AIS Transmitter	1
Number of AIS Receiver	2
AIS Channel 1	CH 87B (161.975 MHz)

Echo Color	16 colors (including background color) according to echo intensity. The background color is selectable from blue, light blue, white and black
Basic Range	Meters 5/10/20/40/80/150/200/300/600/1000 Feet 15/30/60/120/200/400/600/1000/2000/3000 Fathoms 3/5/10/20/40/80/150/300/600 *The basic ranges can be changed on the system menu.
Range Shift	Up to 1000 meters (3000 feet,600 fathoms)
Zoom Range	Times 2,3,4 and 6 ranges
Bottom Lock Expansion Range	5/10 meters,10/20 feet,2/5 fathoms
Auto Mode	Automatic adjustment of range and gain
Display Mode	High Frequency (200K),Low Frequency (50K), Dual (200K and 50K 1/2 display on each), Zoom (200K and 50K zoom) and A-scope Display
Zoom Display	Marker Zoom, Bottom Zoom and Bottom-lock Expansion
Display Advance Speed	Lines/TX:Freeze, 1/8, 1/4, 1/2, 1/1, 2/1, 4/1, 6/1,8/1 and 10/1
TX Frequency	50 and 200kHz (alternately transmitted)
Power Output	600W
Echo Color	16 colors (including background color) according to echo intensity. The background color is selectable from blue, light blue, white and black
Basic Range	Meters 5/10/20/40/80/150/200/300/600/1000 Feet 15/30/60/120/200/400/600/1000/2000/3000 Fathoms 3/5/10/20/40/80/150/300/600 *The basic ranges can be changed on the system menu.
Range Shift	Up to 1000 meters (3000 feet,600 fathoms)
Zoom Range	Times 2,3,4 and 6 ranges
Bottom Lock Expansion Range	5/10 meters,10/20 feet,2/5 fathoms
Auto Mode	Automatic adjustment of range and gain
Display Mode	High Frequency (200K),Low Frequency (50K), Dual (200K and 50K 1/2 display on each), Zoom (200K and 50K zoom) and A-scope Display
Zoom Display	Marker Zoom, Bottom Zoom and Bottom-lock Expansion
Display Advance Speed	Lines/TX:Freeze, 1/8, 1/4, 1/2, 1/1, 2/1, 4/1, 6/1,8/1 and 10/1
TX Frequency	50 and 200kHz (alternately transmitted)
Power Output	600W
Interference Rejecter	Rejects unwanted signals by comparing last and present echoes in strength.
Alarm	Fish and Bottom alarms, Temperature alarm (sensor required)

INPUT	(Auto scan Baudrate) 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	Baudrate: 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
OUTPUT for Autopilot	APA, APB, BOD, XTE

WHAT' S IN THE BOX?
- Display unit
- Quick manual
- GPS Patch Antenna with 4m
- Cable (SMA connector)
- Mounting Brackets
- Standard accessories pack
How to upgrade ONWA Chartploter and MFD Firmware
How to Program MMSI Number on ONWA Chartplotter?
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KP SERIES MODEL	KP-25	KP-25A	KP-25F	KP-25X
DISPLAY SIZE	5”	5”	5”	5”
RESOLUTION	800x480	800x480	800x480	800x480
GNSS	GPS+Beidou+GLONASS	GPS+Beidou	GPS+Beidou+GLONASS	GPS+Beidou
NAVIONICS+COMPATIBLE
C-MAP MAX COMPATIBLE
K-CHART MAP
NMEA INTERFACE	NMEA0183 NMEA2000	NMEA0183 NMEA2000	NMEA0183 NMEA2000	NMEA0183 NMEA2000
NMEA INTERFACE	NMEA0183 NMEA2000	NMEA0183 NMEA2000	NMEA0183 NMEA2000	NMEA0183 NMEA2000
GNSS ANTENNA
MULTIPLE SCREEN MODES	Yes	Yes	Yes	Yes
FISH FINDER FEATURE	NO	NO	Dual Frequency (50KHz&200KHz)	Dual Frequency (50KHz &200KHz)
FISH FINDER FEATURE	NO	NO	Dual Frequency (50KHz&200KHz)	Dual Frequency (50KHz &200KHz)
BUILT-IN AIS	NO	CLASS B+	NO	CLASS B+

KP SERIES MODEL	KP-27	KP-27A	KP-27F	KP-27X
DISPLAY SIZE	7”	7”	7”	7”
RESOLUTION	800x480	800x480	800x480	800x480
GNSS	GPS+Beidou+GLONASS	GPS+Beidou	GPS+Beidou+GLONASS	GPS+Beidou
NAVIONICS+COMPATIBLE
C-MAP MAX COMPATIBLE
K-CHART MAP
NMEA INTERFACE	NMEA0183 NMEA2000	NMEA0183 NMEA2000	NMEA0183 NMEA2000	NMEA0183 NMEA2000
NMEA INTERFACE	NMEA0183 NMEA2000	NMEA0183 NMEA2000	NMEA0183 NMEA2000	NMEA0183 NMEA2000
GNSS ANTENNA
MULTIPLE SCREEN MODES	Yes	Yes	Yes	Yes
FISH FINDER FEATURE	NO	NO	Dual Frequency (50KHz&200KHz)	Dual Frequency (50KHz&200KHz)
FISH FINDER FEATURE	NO	NO	Dual Frequency (50KHz&200KHz)	Dual Frequency (50KHz&200KHz)
BUILT-IN AIS	NO	CLASS B+	NO	CLASS B+

KP SERIES MODEL	KP-29	KP-29A	KP-29F	KP-29X
DISPLAY SIZE	9”	9”	9”	9”
RESOLUTION	1024×600	1024×600	1024×600	1024×600
GNSS	GPS+Beidou+GLONASS	GPS+Beidou	GPS+Beidou+GLONASS	GPS+Beidou
NAVIONICS+COMPATIBLE
C-MAP MAX COMPATIBLE
K-CHART MAP
NMEA INTERFACE	NMEA0183 NMEA2000	NMEA0183 NMEA2000	NMEA0183 NMEA2000	NMEA0183 NMEA2000
NMEA INTERFACE	NMEA0183 NMEA2000	NMEA0183 NMEA2000	NMEA0183 NMEA2000	NMEA0183 NMEA2000
GNSS ANTENNA	Built in	External	Built in	External
MULTIPLE SCREEN MODES	Yes	Yes	Yes	Yes
FISH FINDER FEATURE	NO	NO	Dual Frequency (50KHz&200KHz)	Dual Frequency (50KHz&200KHz)
FISH FINDER FEATURE	NO	NO	Dual Frequency (50KHz&200KHz)	Dual Frequency (50KHz&200KHz)
BUILT-IN AIS	NO	CLASS B+	NO	CLASS B+