VLCC tanker detention
in Corpus Christi, USA A Port State Control case study
In late 2023 a VLCC Tanker was inspected in Corpus Christi, USA (Port UNLOCODE USCRP). Following the inspection the tanker was detained with eighteen deficiencies. Given the unusally high number of serious deficiencies recorded, the aim of this case study is to illuminate the case and to ensure lessons can be learned for the future.
TERMINOLOGY USED
DCS: Deficiency codes spread. Number of deficiency codes required to achieve the 100% of the deficiency codes. Alternatively partial indicators may be used such as DCS20, DCS50 or DCS80 te reach 20%, 50% or 80% of total deficiencies in port respectively.
Deficiency Profile: Detailed list of all PSC findings with an indication of the deficiency code (detainable or not).
DER: Detention rate (% of inspections ended with detention).
Detention Profile: Detailed list of all detainable PSC findings with an indication of the deficiency code.
DPI: Average deficiencies per inspection.
Global benchmark: The value of the KPI based on the global statistics for same ship type and age.
The ship’s background & PSCI eligibility The 15 year old ship, built in South Korea, was assessed with a PSC Inspection Window (IWOD) Open given the risk profile of the ship and the manager in the MoU area. The ship was eligible for inspection as she had an inspection window open since 12/12/2021.
The ship’s manager (DOC holder) manages a fleet of 44 Tankers (LR1/LR2, Suezmax, VLCC).
The ship’s PSC history during Last 36 months included 4 inspections (see graphic below).
The ship had last been inspected in USCG in Galveston, Texas back in 2020 and no deficiencies were found.
Manager’s background
prior the detention The manager’s PSC record over the last 36 months from November 202 to October included 156 inspections resulting in 81 deficiencies and 0 detentions. The inspections were mostly conducted to
POCRA: Port Call Risk Assessment SIR:
Ship inspection ratio – % of unique ships inspected versus unique ships calling in port over the last 12 months.
UNLOCODE: Standardized UN code for each port/ terminal, as defined by UN.
the Tokyo MoU (39) with USCG (34) & Paris MoU (27). The manager’s deficiency per inspection (DPI) was 0.63% (the global benchmark for similar age and type ships is 0.72%) and the detention ratio (DER) was
0% (the global benchmark for similar fleets is 1.09%).
Port background In Corpus Cristi (Port UNLOCODE USCRP) over the past 36 months there had been 535 inspections on tankers resulting in three detentions. The port’s detention Rate (DER) is 0.75% which is almost identical
54 | ISSUE 107 | MAR 2024 | THE REPORT
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