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.
Cargo
LEROY A. MENDONCA
MMSI 338846000 · Call sign NBMK
Not yet on Master's MateType
Cargo
Flag
USALength
269 m
Beam
32 m
Draft
27.5 m
Call sign
NBMK
IMO
9147320
Official No.
1329690
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
86
Out of the United States, LEROY A. MENDONCA is a 269-metre merchant vessel. She's built with 32 metres in the beam and a 27.5 m draft. Her papers read MMSI 338846000, call sign NBMK, IMO 9147320. LEROY A. MENDONCA is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
Free forever · No credit card · for commercial operators
Eyes on LEROY A. MENDONCA, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 21:18 UTC
Position
36.9732° N, 76.4336° W
Status
Moored
Speed
0.0 kn
Course
61°
Transiting Chesapeake Bay? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put LEROY A. MENDONCA 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.
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.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
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 LEROY A. MENDONCA and switch it all on
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About LEROY A. MENDONCA
What kind of vessel is LEROY A. MENDONCA?
LEROY A. MENDONCA is a Cargo flagged to United States of America.
Where was LEROY A. MENDONCA last seen?
LEROY A. MENDONCA was last reported in Chesapeake Bay in Jun 2026 on public AIS.
What is LEROY A. MENDONCA's MMSI?
LEROY A. MENDONCA's MMSI is 338846000. Call sign NBMK. IMO 9147320.
How big is LEROY A. MENDONCA?
LEROY A. MENDONCA is about 269 m long, 32 m on the beam, drawing 27.5 m.
Is LEROY A. MENDONCA on the Master's Mate Safety Initiative Network?
Not yet. If LEROY A. MENDONCA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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