BOSTON PILOT CHELSEA was last reported 4 hours, 41 minutes, 27 seconds ago by AIS at coordinates 42.36°, -71.03°.
| Name | BOSTON PILOT CHELSEA |
| Callsign | - |
| IMO / MMSI | - / 338494843 |
| Type | Pilot Vessel |
| Flag | US |
| Length / Beam | 15 m / 4 m |
| Channels | A, B, C, D |
| Message Types | 1, 3, 5, 24, 27 |
| Last Signal | 4 hours, 41 minutes, 27 seconds |
| Speed / COG | 0.0 kts / 293.7° |
| Status | Under way using engine |
| Destination | - |
| Matched Port | - |
| ETA | - |
| Draught | - m |
| Signal Level / Drift | -12.62 dB / 0.29 ppm |