We last observed the vessel in the North Pacific Ocean more than 12h ago.

FIREFLY built in 2021 is a vessel in the Other segment. Its IMO number is 5037618 and the current MMSI number is 379867543. The vessel has callsign FLFY. FIREFLY is sailing under the flag of US Virgin Islands.

View real-time AIS positions for FIREFLY and 75.000+ other vessels by registering a FREE account in ShipAtlas.

Popular features

Global AIS Tracks

Global AIS tracking

Find the real-time AIS positions of vessels with more than 700 satellites and terrestrial senders.
AIS voyage history

AIS voyage history

Find out where vessels have been in the past. View voyage histories as tracks in the map or in a table.
Sea route calculator

Sea route calculator

Create routes from any vessel's AIS position to any port. Find the shortest route, ETA and days at sea.
Vessel monitoring and statistics


Get push notifications on your mobile when vessels arrive or depart from ports.
Vessels in port

Vessels nearby

Share your position from mobile and find vessels nearby you, within a 10km radius.
Marine weather

Marine weather

Access weather information such as wind, waves, ocean currents, sea ice and precipitations.