ONWA KP-27A Marine GPS Chartplotter with Class B AIS

High-performance 7 inch GPS chart plotter designed for marine navigation.
Class B+ AIS transponder compatibility ensures safer communication with other vessels.
Advanced GPS & AIS features like real-time weather, waypoint navigation, and vessel tracking.
User-friendly interface with wide compatibility for seamless boating experience.

Add to quote

The ONWA KP-27 series GPS chart plotter are designed for professional and recreational marine use, delivering powerful navigation and real-time mapping capabilities. Whether you’re cruising or fishing, this device ensures precision, safety, and convenience. The built-in Class B AIS & Chart Plotter allows you to locate vessel near by.

With Class B+ AIS transponder compatibility, these chart plotter allow seamless communication with other vessels, providing real-time safety alerts and ensuring connected navigation. Additionally, the device offers advanced GPS and AIS features, including real-time weather updates, waypoint navigation, and comprehensive vessel tracking for an enhanced boating experience.

The user-friendly interface makes it simple to operate, and its wide compatibility with other marine electronics allows for integration of additional accessories to further boost your marine adventures.

DOWNLOAD

KP-27A Brochure

KP-27A Manual

How to Program AIS Data

TECHNICAL SPECIFICATION

Plotter Characteristics

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

GPS Receiver Characteristics

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

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 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

Number of AIS Receiver

AIS Channel 1

CH 87B (161.975 MHz)

AIS Channel 2

CH 88B (162.025 MHz)

Tx Power Output

>5 Watt (37 dBm ± 1.5 dB)

RX Sensitivity

>123dBm @ 20% PER

RX Message Format

AIS Class A and B messages

Comply Standard

IEC-62287 IEC 62287-2 Ed. 2.0:2017

NMEA0183 Sentence Supported

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

NMEA2000 and ONENET supported PGN

Power Supply

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

PHYSICAL

Size

155.1mm(H)X241.3mm(W)X62.9mm(D)

Weight

1.3 kg

Display

7-inch Color TFT dayview LCD, 800×480 pixels

Waterproofing

Display unit (Front Panel): IP66
Antenna unit: IP66

Temperature range

Display unit: -15℃ to +55℃
Antenna unit: -25℃ to +70℃

Equipment List

Display unit
Quick manual
GPS Patch Antenna with 4m cable (SMA connector)
Mounting Brackets
Standard accessories pack

Sign up for Newsletter

ONWA KP-27A Marine GPS Chartplotter with Class B AIS

DOWNLOAD