Master's MateSafety Initiative Network

The Master's Mate Safety Initiative Network (MMSIn) — like AAA for the ocean, but free & community-driven. Cruisers keeping each other safe: anchor-drag & distress alerts, a verified captains directory, and a watch network that has your back.

Public Vessel, Unclassified

MARINE SURVEYOR

MMSI 367666030 · Call sign WDH9238

Not yet on Master's Mate

Type

Public Vessel, Unclassified

Flag

USA

Length

18.6 m

Beam

5.8 m

Draft

2.2 m

Call sign

WDH9238

Official No.

293521

First reported

Jun 2026

Last reported

Jun 2026

AIS reports

MARINE SURVEYOR is a craft on the the United States registry, measuring 18.6 metres. MARINE SURVEYOR has a 5.8 m beam and a 2.2 m draft. On AIS she appears as MMSI 367666030, call sign WDH9238. MARINE SURVEYOR can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.

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Is MARINE SURVEYOR your boat?

Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.

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Last known position · Jun 3, 2026

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Position

33.7212° N, 118.2791° W

Crossing off Southern California? You're never out there alone.

Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.

Free with your claim

The most powerful cruising platform ever built — yours, free.

Joining the Safety Initiative Network doesn't just put MARINE SURVEYOR on the map. It hands you the full bridge:

Anchor Watch

GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.

Worldwide Charts

Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.

Live AIS & Traffic

See every vessel around you in real time. Closest-approach warnings before they matter.

Weather & Routing

GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.

Onboard Cameras

Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.

Systems Monitoring

Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.

Distress Mesh

Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.

Hail Any Captain

A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.

Claim MARINE SURVEYOR and switch it all on

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About MARINE SURVEYOR

What kind of vessel is MARINE SURVEYOR?

MARINE SURVEYOR is a Public Vessel, Unclassified flagged to United States of America.

Where was MARINE SURVEYOR last seen?

MARINE SURVEYOR was last reported in off Southern California in Jun 2026 on public AIS.

What is MARINE SURVEYOR's MMSI?

MARINE SURVEYOR's MMSI is 367666030. Call sign WDH9238.

How big is MARINE SURVEYOR?

MARINE SURVEYOR is about 18.6 m long, 5.8 m on the beam, drawing 2.2 m.

Is MARINE SURVEYOR on the Master's Mate Safety Initiative Network?

Not yet. If MARINE SURVEYOR is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).