Sign up free Dashboard Log out
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.
Commercial Fishing Vessel

Northern Leader

MMSI 367570430 · Call sign EX278

Not yet on Master's Mate
Type
Commercial Fishing Vessel
Flag
USAUSA
Length
56 m
Beam
12.8 m
Draft
5.7 m
Call sign
EX278
IMO
9655092
Official No.
1246136
AIS reports
4

Northern Leader, a fishing boat under the American flag, measures 56 metres on deck. Her hull carries 12.8 metres in the beam and a draft of 5.7 m. She's on record as MMSI 367570430, call sign EX278, IMO 9655092. Northern Leader can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.

Free forever · No credit card · for working captains

Know where the fleet is. Get Northern Leader home safe.

Live AIS traffic, weather you can plan around, engine & systems telemetry, and a distress mesh that reaches nearby boats.

Keep the fleet in sight — free →

Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers

Wherever Northern Leader roams, 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 · for working captains

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

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

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.
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.
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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim Northern Leader and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About Northern Leader

What kind of vessel is Northern Leader?
Northern Leader is a Commercial Fishing Vessel flagged to United States of America.
What is Northern Leader's MMSI?
Northern Leader's MMSI is 367570430. Call sign EX278. IMO 9655092.
How big is Northern Leader?
Northern Leader is about 56 m long, 12.8 m on the beam, drawing 5.7 m.
Is Northern Leader on the Master's Mate Safety Initiative Network?
Not yet. If Northern Leader is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

© 2026 Master’s Mate. All rights reserved.