Vessel · USCG
ML 504B
4221
ML 504B — unclassified vessel, built 1978, HIN 4221, official no. 597834. U.S. Coast Guard vessel record.
Unclassified 1978
Vessel details (US Coast Guard)
Vessel name
ML 504B
Vessel type
Unclassified
Year built
1978
Hull ID (HIN)
4221
Official / registration no.
597834
Status
Active
Flag
UNITED STATES
Source: U.S. Coast Guard Maritime Information Exchange (PSIX). Vessel details only — no owner personal information.