46 CFR §13.120
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
An applicant seeking renewal of a tank vessel endorsement or an STCW endorsement valid for service on tank vessels must meet the requirements of § 10.227 of this subchapter, except § 10.227(e)(1), for renewing an MMC, and meet the following additional requirements:
- (a)For endorsements as Tank Vessel-PIC, Advanced Oil and Chemical Tanker Cargo Operation; and Advanced Liquefied Gas Tanker Cargo Operations, provide evidence of—
- (1)At least 90 days of service during the preceding 5 years onboard a tank vessel for which the endorsement is valid, performing duties appropriate to the tank vessel endorsement held; and participation in at least two transfers of liquid cargo in bulk of the type for which the endorsement is valid within the preceding 5 years; or
- (2)Completion of an approved course for Tankship: Dangerous Liquids or Tankship: Liquefied Gases, appropriate for the endorsement to be renewed, within the previous 5 years.
- (b)For endorsements as Tank Vessel-Assistant, Basic Oil and Chemical Tanker Cargo Operation; and Basic Liquefied Gas Tanker Cargo Operations, provide evidence of—
- (1)At least 90 days of service during the preceding 5 years onboard a tank vessel for which the endorsement is valid, performing duties appropriate to the tank vessel endorsement held; or
- (2)Completion of an approved course for Tankship: Dangerous Liquids or Tankship: Liquefied Gases, appropriate for the endorsement to be renewed, within the previous 5 years.
- (c)For endorsements as Tank Barge-PIC, provide evidence of—
- (d)For endorsements as Tank Vessel-Engineer, provide evidence of—
- (1)At least 90 days of service during the preceding 5 years onboard a tank vessel for which the endorsement is valid, performing duties appropriate to the tank vessel endorsement held; or
- (2)Completion of a course approved for this purpose, appropriate for the endorsement to be renewed, within the previous 5 years.