DPO Safety Protocols & Emergency Procedures 2

Question 1

During a DP incident, the vessel experiences an unexpected drive-off. What is the first action the OOW should take?

Accepted Answer

Engage manual override and take direct control of the vessel

Answer

When a drive-off occurs, the OOW should immediately engage manual override to take direct control and prevent further uncontrolled movement.

Question 2

Which document defines the minimum safe separation distances between a DP vessel and a subsea structure?

Accepted Answer

The vessel's Station Keeping Operations Manual (SKOM)

Answer

The Station Keeping Operations Manual (SKOM) specifies operational limits including minimum safe separation distances from subsea structures.

Question 3

What does a 'worst case failure' (WCF) analysis determine in DP operations?

Accepted Answer

The single failure that causes the greatest loss of position keeping ability

Answer

Worst case failure analysis identifies the single failure mode that causes the greatest degradation of the vessel's position keeping capability.

Question 4

When should a DP trial be conducted on a vessel returning from drydock?

Accepted Answer

Before any DP operations commence, regardless of modifications

Answer

A full DP trial must be conducted before resuming DP operations after drydock to verify all systems function correctly.

Question 5

What is the purpose of a 'red zone' designation in a DP diving support operation?

Accepted Answer

It identifies the exclusion area around the dive spread where vessel movement is critically restricted

Answer

The red zone defines the critical exclusion area around the dive spread where any vessel movement could endanger divers.

(DPO) Dynamic Positioning Operator Exam Practice Test