MMSI 232006684 · Call sign MAQY6
Not yet on Master's MateGRAHAM ROBERTSON, a British harbour tug, measures 23 metres on deck. Her hull carries 8 metres in the beam and a draft of 2.2 m. Look for MMSI 232006684, call sign MAQY6, IMO 9696498. Give GRAHAM ROBERTSON the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Joining the Safety Initiative Network doesn't just put GRAHAM ROBERTSON on the map. It hands you the full bridge:
© 2026 Master’s Mate. All rights reserved.