An applicant seeking renewal of a tankerman endorsement or an STCW endorsement valid for service on tank vessels must meet the requirements of Sec. 10.227 of this subchapter, except Sec. 10.227(e)(1), for renewing an MMC and meet the following additional requirements:
(a) For endorsements as tankerman-PIC, advanced oil and chemical tanker cargo operation; and advanced liquefied gas tanker cargo operations, present 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 tankerman 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 tankerman-assistant, basic oil and chemical tanker cargo operation; and basic liquefied gas tanker cargo operations, present 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 tankerman 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 tankerman-PIC (Barge), present evidence of--
(1) 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 a course approved for this purpose, appropriate for the endorsement to be renewed, within the previous 5 years.
(d) For endorsements as tankerman-engineer, present 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 tankerman endorsement held; or
(2) Completion of a course approved for this purpose, appropriate for the endorsement to be renewed, within the previous 5 years. [USCG-2004-17914, 78 FR 77989, Dec. 24, 2013]