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.

Tank Barge

Penn No. 90

MMSI 366869070 · Call sign WDA9795

Not yet on Master's Mate

Type

Tank Barge

Flag

USA

Length

120.5 m

Beam

23.3 m

Draft

9.5 m

Call sign

WDA9795

IMO

1518339

Official No.

1331692

AIS reports

Penn No. 90 is an American tank vessel, 120.5 metres on deck. She has a beam measuring 23.3 metres and a draft measuring 9.5 metres. On the registers she's MMSI 366869070, call sign WDA9795, IMO 1518339. It's free to add Penn No. 90 to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.

Free forever · No credit card · for commercial operators

Eyes on Penn No. 90, 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

Wherever Penn No. 90 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 commercial operators

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

Joining the Safety Initiative Network doesn't just put Penn No. 90 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 Penn No. 90 and switch it all on

Free to join · nothing to install to start · cancel anytime

Claim free → unlock everything

About Penn No. 90

What kind of vessel is Penn No. 90?

Penn No. 90 is a Tank Barge flagged to United States of America.

What is Penn No. 90's MMSI?

Penn No. 90's MMSI is 366869070. Call sign WDA9795. IMO 1518339.

How big is Penn No. 90?

Penn No. 90 is about 120.5 m long, 23.3 m on the beam, drawing 9.5 m.

Is Penn No. 90 on the Master's Mate Safety Initiative Network?

Not yet. If Penn No. 90 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).