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Automatic Radar Plotting Aids Spare Parts Suppliers
Automatic Radar Plotting Aids, commonly known as ARPA, are the collision-avoidance brains behind every modern bridge radar. They track targets automatically, calculate the closest point of approach (CPA) and time to CPA (TCPA), and warn the officer on watch before a dangerous situation develops.
SOLAS makes ARPA mandatory on most vessels above 10,000 gross tonnes, and it's standard kit on almost every commercial ship afloat. When a unit starts acting up in heavy traffic or thick fog, waiting for parts isn't an option, which is why staying in touch with dependable automatic radar plotting aids spare parts suppliers matters so much. At RecordsMarine, we connect shipowners and superintendents with vetted ARPA spare parts providers worldwide.
How ARPA Keeps Your Bridge Safer
An ARPA system takes raw radar returns and turns them into trackable target data. It flags vessels on a collision course, plots their vectors on the display, and sounds an alarm when something crosses your guard zone. Crews rely on it during night watches, in restricted visibility, and whenever traffic density climbs. A faulty component, even something small like a worn trackball or failing power supply, can blind the bridge team at the worst moment.
Critical ARPA Spare Parts to Keep Onboard
Our team at RecordsMarine works with ARPA parts providers who stock both OEM components and approved alternatives. The items vessels order most often include:
- Magnetrons and transceivers
- Display units and LCD monitors
- Motherboards and processor cards
- Power supply units and DC converters
- Trackballs, keyboards, and control panels
- Scanner motors and gearboxes
- Waveguides, rotary joints, and slip rings
- Antenna arrays and radomes
- Cables, connectors, and PCB assemblies
- Cooling fans and filter kits
Keeping a few of these onboard, especially magnetrons, PSUs, and trackballs, saves days of downtime when a failure hits mid-voyage.
Top ARPA Brands on Commercial Vessels
Most bridges run ARPA hardware from a short list of established manufacturers: Furuno, JRC, Kelvin Hughes, Raytheon Anschütz, Sperry Marine, Wärtsilä Voyage (formerly Transas), or Koden. Parts availability varies by model age, so working with ARPA spare parts suppliers who carry stock across several brands is always safer than single-source sourcing.
How to Choose the Right Supplier
Not every seller moves genuine parts, and counterfeit components in a safety-critical system are a real risk. When reviewing spare parts suppliers for automatic radar plotting aids, our experts look for:
- OEM authorisation or verified aftermarket sourcing
- Type-approval certificates matching IMO and IEC 62388 standards
- Warranty coverage of at least 12 months
- Worldwide port delivery with proper customs handling
- Technical support from engineers familiar with marine bridge systems
- A clear return policy on sealed electronic modules
Industry Standards and Regulations
ARPA equipment must meet IMO Resolution A.823(19) performance standards and IEC 62388 testing requirements. Any replacement part that affects system performance should carry matching type approval. Class surveyors check for this during annual radio surveys, and a mismatch can delay certification.
Frequently Asked Questions
How quickly can an ARPA spare parts supplier deliver to a vessel underway?
It depends on the port and the part. Common consumables like trackballs or fans usually reach major hubs within a day or two, while larger items such as scanner motors or full transceiver units can take a week.
Do suppliers handle installation, or only the parts themselves?
Most sell parts only, but many have partner service engineers they can arrange on request.
Can a supplier help identify the right part if I only have the unit's serial number?
Yes, this is standard practice. Experienced providers cross-reference serial numbers against manufacturer databases and can confirm the correct replacement.
What happens if a delivered part turns out to be faulty?
Reputable suppliers replace defective items under warranty and cover return shipping for sealed modules.
Find ARPA Spare Parts Suppliers Near You
A failed radar component can't wait for the next port rotation. The providers listed below stock type-approved ARPA parts and ship to major hubs on short notice. Pick one that covers your trading area and reach out directly for pricing and availability.

Year Founded: 2022
Verified
CATEGORIES:
ARPA (Automatic Radar Plotting Aids)
AIS (Automatic Identification Systems)
AMS (Alarm Monitoring Systems)
Air Reservoirs
Air Driven Motors
(5)
BRAND:
KONGSBERG
Transas
Navico
SIMRAD
SAAB
(4)
CLASS APPROVED:
ABS
ClassNK
CCS
BV
WAREHOUSES:
China

Year Founded: 2018
Verified
CATEGORIES:
ARPA (Automatic Radar Plotting Aids)
15 PPM Monitoring Equipment
AIS (Automatic Identification Systems)
AMS (Alarm Monitoring Systems)
AUS (Automatic Unloading Systems)
(195)
BRAND:
KONGSBERG
Transas
Navico
SIMRAD
SAAB
(4)
CLASS APPROVED:
ABS
ClassNK
CCS
BV
WAREHOUSES:
China

Year Founded: 2011
Verified
CATEGORIES:
ARPA (Automatic Radar Plotting Aids)
15 PPM Monitoring Equipment
AIS (Automatic Identification Systems)
AMS (Alarm Monitoring Systems)
AUS (Automatic Unloading Systems)
(177)
BRAND:
KONGSBERG
Transas
Navico
SIMRAD
SAAB
(3)
CLASS APPROVED:
DNV
WAREHOUSES:
Singapore
United Arab Emirates
Angola
Austria
Australia (209)

Year Founded: 2004
Verified
CATEGORIES:
ARPA (Automatic Radar Plotting Aids)
15 PPM Monitoring Equipment
AIS (Automatic Identification Systems)
AMS (Alarm Monitoring Systems)
AUS (Automatic Unloading Systems)
Accommodation Ladder Davits
Accomodation Ladders & Gangways
Air Compressors
Air Driven Motors
Air Horns
Air Reservoirs
Air Starters
Alpha Lubrication Systems
Anemometers
Anti-Heeling Systems
(162)
CLASS APPROVED:
ClassNK
BV

Year Founded: 2025
Verified
CATEGORIES:
ARPA (Automatic Radar Plotting Aids)
15 PPM Monitoring Equipment
AIS (Automatic Identification Systems)
AMS (Alarm Monitoring Systems)
AUS (Automatic Unloading Systems)
Accommodation Ladder Davits
Accomodation Ladders & Gangways
Air Compressors
Air Driven Motors
Air Horns
Air Reservoirs
Air Starters
Alpha Lubrication Systems
Anemometers
Anti-Heeling Systems
(166)
WAREHOUSES:
Hong Kong

Year Founded: 2010
RM verified
CATEGORIES:
ARPA (Automatic Radar Plotting Aids)
15 PPM Monitoring Equipment
Accommodation Ladder Davits
Accomodation Ladders & Gangways
Air Compressors
Air Driven Motors
Air Horns
Air Reservoirs
Air Starters
AIS (Automatic Identification Systems)
Alpha Lubrication Systems
AMS (Alarm Monitoring Systems)
Anemometers
Anti-Heeling Systems
AUS (Automatic Unloading Systems)
(166)
CLASS APPROVED:
ABS
RINA
RMRS
ClassNK
CCS
(11)

Year Founded: 2005
CATEGORIES:
ARPA (Automatic Radar Plotting Aids)
AIS (Automatic Identification Systems)
AMS (Alarm Monitoring Systems)
AUS (Automatic Unloading Systems)
Automation Control Equipment & Control Units
Boiler Automation Equipment
Centrifugal Pumps
Control Air Dryers
15 PPM Monitoring Equipment
Air Compressors
WAREHOUSES:
China
United Arab Emirates
Greece

Year Founded: 2014
CATEGORIES:
ARPA (Automatic Radar Plotting Aids)
15 PPM Monitoring Equipment
AIS (Automatic Identification Systems)
AMS (Alarm Monitoring Systems)
AUS (Automatic Unloading Systems)
Accommodation Ladder Davits
Accomodation Ladders & Gangways
Air Compressors
Air Driven Motors
Air Horns
Air Reservoirs
Air Starters
Alpha Lubrication Systems
Anemometers
Anti-Heeling Systems
(168)
WAREHOUSES:
Egypt

Year Founded: 1998
CATEGORIES:
ARPA (Automatic Radar Plotting Aids)
15 PPM Monitoring Equipment
AIS (Automatic Identification Systems)
AMS (Alarm Monitoring Systems)
AUS (Automatic Unloading Systems)
(166)
BRAND:
KONGSBERG
Transas
Navico
SIMRAD
SAAB
(3)
CLASS APPROVED:
ABS
ClassNK
BV
LR
DNV
(1)
WAREHOUSES:
Bangladesh

Year Founded: 2013
CATEGORIES:
ARPA (Automatic Radar Plotting Aids)
15 PPM Monitoring Equipment
AIS (Automatic Identification Systems)
AMS (Alarm Monitoring Systems)
AUS (Automatic Unloading Systems)
Accommodation Ladder Davits
Accomodation Ladders & Gangways
Air Compressors
Air Driven Motors
Air Horns
(172)
CLASS APPROVED:
DNV
WAREHOUSES:
South Korea