DPO Building Codes & Standards 3

Question 1

Which classification society notation is equivalent to DP Equipment Class 2 under Lloyd's Register rules?

Accepted Answer

DP(AA)

Answer

Lloyd's Register uses the notation DP(AA) for Class 2 equivalent, indicating redundancy in active components without fire/flood separation.

Question 2

According to the IMCA competence framework, a DPO logbook sea time must be verified by:

Accepted Answer

The vessel's Master and DP instructor

Answer

IMCA requires that sea time entries in the DPO logbook be countersigned by the Master and verified by an approved DP instructor.

Question 3

What does the term 'worst-case failure design intent' (WCFDI) refer to in DP FMEA standards?

Accepted Answer

The single failure that results in the greatest loss of thrust or position keeping ability

Answer

WCFDI identifies the single credible failure that would produce the most severe consequence to position keeping, used to define DP capability limits.

Question 4

Under SOLAS regulation II-1/3-8, DP vessels operating in DP Class 2 or 3 must have their DP systems:

Accepted Answer

Tested and documented in an approved DP FMEA

Answer

SOLAS II-1/3-8 requires that DP systems on Class 2 and 3 vessels be backed by an approved FMEA proving redundancy against single failures.

Question 5

The IMCA document M 220 covers which operational topic?

Accepted Answer

Common marine inspection document (CMID) for DP vessels

Answer

IMCA M 220 is the Common Marine Inspection Document used to standardize DP vessel inspection criteria across the offshore industry.

(DPO) Dynamic Positioning Operator Exam Practice Test