Site Management Flashcards
7 cards from real DPO practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Site Management flashcards as text
The DP Alert Status is changed from 'Green' to 'Yellow' during offshore operations. This means:
Answer: A significant degradation has occurred in DP capability or environment — operations continue but heightened vigilance and supervisory notification are required
Yellow Alert indicates degraded but still acceptable conditions; it triggers increased monitoring, notification of supervisors, and readiness to escalate to Red or to abort operations.
The Permit to Work (PTW) system during DP site operations ensures that:
Answer: Maintenance or interventions on DP-critical systems are formally controlled, authorized, and coordinated to prevent unsafe simultaneous activities
A PTW system enforces controlled access to safety-critical equipment, preventing unauthorized or concurrent maintenance that could degrade DP capability during operations.
When handing over a DP watch during site operations, which item is MOST critical to verbally confirm with the incoming operator?
Answer: Current position quality, active reference systems, any active inhibits, environmental conditions, and any ongoing or imminent hazards
A thorough DP watch handover must convey the complete operational picture — position quality, sensor status, inhibits, environment, and hazards — to ensure continuity of safe position-keeping.
Under IMCA M 117 guidance, a DP Incident is defined as an event that causes or could have caused:
Answer: Uncontrolled vessel excursion, loss of position, or any event that threatens personnel, asset, or environmental safety related to DP operations
IMCA M 117 defines DP incidents broadly to capture position excursions, near-misses, and any event that reveals a safety vulnerability in DP operations, regardless of whether harm occurred.
A DP vessel is tasked with maintaining a fixed offset of 50 meters from a platform during personnel transfer. If the DP system trends toward 60 meters off position, the operator's first action should be:
Answer: Investigate the cause (wind, current, sensor error), adjust setpoints if appropriate, and alert the supervisor if the offset trend continues
A trending position error should trigger investigation before manual intervention — understanding the cause prevents overcorrection and ensures the appropriate corrective action is taken.
What is the significance of a 'red sector' on a DP vessel's footprint/exclusion zone diagram?
Answer: Directions or areas where the vessel must not move due to critical hazards such as structures, risers, or shallow seabed obstacles
Red sectors on an exclusion zone diagram mark directions of movement that would bring the vessel into contact with critical hazards, and the DP system may be programmed with software limits to prevent movement into these areas.
During DP operations in a congested anchorage area, why is continuous AIS monitoring particularly important for site management?
Answer: AIS allows the DP operator to track surrounding vessel movements and detect any vessels dragging anchor or on a collision course with the exclusion zone
In congested anchorages, AIS monitoring allows early detection of vessels dragging anchor or navigating toward the DP exclusion zone, giving time to communicate and take preventive action.