GPS Chart Plotters

Stain-Fast Marine Products   is now importing & selling Onwa GPS Chart Plotters.
Onwa is recognized world wide for their High Quality Marine Electronics. We include Detailed CHARTS of  your sailing area at no extra costs.

Some Screen Details on Chart Plotter

GPS Screen Cover

Small Area of Great Lakes Coverage

General Harbour

More Detail of Harbour

Detail Dock Area

Scan Area

Number of Visible Satellites


                                                                           Some Screen Details on Chart Plotter

Onwa Chart Plotter KP-6299 ,KP-8299, KP-1299

Onwa Chart Plotter with AIS (Automatic Identification System)KP-6299A ,KP-8299A, KP-1299A

Onwa Chart Plotterwith Fish Finder (sonar) KP-6299c ,KP-8299c, KP-1299c

 GPS compatible C-Map MAX Charts   available at extra cost


Manufacturing Specifications


High Resolution

8 Color or 8 Level Amber Presentation
50/200 kHz Transceivers
Blue, Light Blue, or Black Background Color
8 Range Scales, from 0-15 to 0-1000 Feet
Range Offset to 1000 Feet, Maximum Offset Range of 2000 Feet
Automatic Range and Gain Selection Mode
A-Scope Display for Rapid Fish ID and Detection
Multiple Display Modes
Digital Displays of Speed, Depth, Water Temperature*, and Position
Adjustable Bottom or Fish Alarm
Calibration in Feet, Fathoms or Meters
Built-in Picture Simulator
SD-cards slot for C-Map MAX and user data
C-Map MAX and K-Chart Selectable
Tide table
Versatile display mode
GOTO track navigation
MAP orientation select
Proximity waypoints alarms
Perspective View
MAP Palette
*Water Temperature data input required


1. Waypoints/icons 15,000 waypoints with name, symbol, 10 proximity waypoint
2. Routes waypoint up to 200 points each, plus MOB and Track Navigation or Goto Track modes
3. Tracks 30,000 point automatic track log; 15 saved track (up to 2000 track points each)let you retrace your path in both directions
4. Alarms XTE, Anchor drag, arrival, speed, voltage, proximity waypoint and time,AIS alarm.
5. Pallete
-Daylight exposed to sunlight
-Night in dark environment
-NOAA paperchart colors
6. Tides Tide data
7. Projection Mercator projection
8. Position format Lat/Lon
9. Basemap Built-in Onwa K-Chart
10. External Map SD Cards slot for C-Map MAX
11. User data storage Internal backup of user settings, or external SD-card
12. Plot Interval 1s to 99h or 0.01 nm to 9.99nm
13. Plotting scales 0.01nm to 1,000nm
14. Nav Datat Inputs:$–DBT, $–DPT, $–GGA, $–GLL,$–GSA, $–GSV,
$–HDG,$–HDM,$–HDT,$–MTW, $–RMB,$–RMC,$–VTG, $–ZDA, $–VWR,$–VWT,$–MWD, $–VPW


$–AAM, $–APB, $–BOD,$–BWC,$–GGA, $–GLL,

$–RMB,$–RMC,$–VTG, $–XTE, $–ZDA

Outputs for autopilot:

$–AAM, $–APB, $–BOD,$–VTG

15. Perspective View On/off


10.5 to 35VDC, current drain 1.0A at 12V


1. Size
KP-6299C: 228mm(H) 138mm(W) 89mm(D)
KP-8299C: 290mm(H) 195.5mm(W) 99.5mm(D)
KP-1299C: 364mm(H) 268mm(W) 106mm(D)
2. Weight
KP-6229C: 0.9 kg
KP-8229C: 2.43kg
KP-1299C: 3.95kg
3. Display
KP-6299C: 5.6-inches 640x480 pixels
KP-8299C: 8-inches LCD 800x600 pixels
KP-1299C: 12.1-inches 800 600 pixels
4. Waterproofing
Display unit: IPX5
Antenna unit: IPX6
5. Temperature range
Display unit: -15? to +55?
Antenna unit: -25? to +70?


- Display unit (KP-6299C or KP-8299C or KP-1299C)
- Antenna unit with 10m cable
- Transducer: (Plastic)
KP-6299C: 300 W
KP-8299C and KP-1299C: 600 W
- Operator manual
- Installation materials and standard spare parts


1. Receiver 50 parallel channel GPS receiver continuously Tracks and uses up to 50 satellites to compute and update your position
2. Acquisition times
Cold start: 27 seconds average
Warm start: 27 seconds average
Hot start: 1 second average
3. Update rate 1/second,continuous
4. Accuracy Position: 2.5 meters(95%) without S/AVelocity: 0.1 Meter/sec without S/A
Time: ±100ns synchronized to GPS time

5. Dynamics Altitude: 50,000m Max Velocity: 500 m/s
Acceleration: 4g Max

6. Datum WGS 84 & Others
7. Interfaces NMEA 0183 input and output,RS232 and RS422 output
8. Antenna KA-07


AIS (Automatic Identification System)
1. Data input NMEA 0183 , RS232 or RS422
2. Baud rate 38,400

Features: Chart plotter with AIS KP-xx99A: Color LCD GPS C-Map MAX compatible Combo


1. Echo Color 8 colors (including background color) according to echo intensity. Monochrome display is also available. The background color is selectable from blue, light blue, white and black.
3. Range Shift Up to 300 meters (1500 feet,200fathoms,300 passi/braza)
4. Zoom Range Times 2,3,4 and 5 ranges
5. Bottom Lock Expansion Range 5/10meters,10/20feet,2/5fathoms,2/5passi/braza
6. Auto Mode Automatic adjustment of range and gain
7. Display Mode High Frequency (200K),Low Frequency (50K), Dual (200K and 50K 1/2display on each), Zoom (200K and 50K zoom) and A-scope Display
8. Zoom Display Marker Zoom, Bottom Zoom and Bottom-lock Expansion
9. Display Advance Speed Lines/TX:Freeze,1/8,1/4,1/2,1/1,2/1
10. TX Frequency 50 and 200kHz (alternately transmitted)

Features: Chart plotter with Fish Finder KP-xx99C: Color LCD GPS C-Map MAX compatible Combo


$–AAM, $–APB, $–BOD,$–BWC,$–GGA, $–GLL,

$–RMB,$–RMC,$–VTG, $–XTE, $–ZDA

Outputs for autopilot:

$–AAM, $–APB, $–BOD,$–VTG

15. Perspective View On/off