Building Codes & Standards 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 Building Codes & Standards flashcards as text
When a DP vessel operates in 'Consequence Analysis' mode, what does a 'RED' consequence alert indicate?
Answer: The worst-case failure would result in loss of position
A RED consequence alert means the consequence analysis has determined that the current worst-case single failure would cause loss of position keeping ability.
According to IMCA M 117, the 'DP Incident Reporting Scheme' requires operators to report incidents to understand:
Answer: Industry-wide DP failure trends to improve standards and training
IMCA M 117 established the DP incident reporting scheme to collect anonymized data on DP failures and near-misses to drive industry-wide safety improvements.
Under the IMCA competence model, a newly qualified DPO must complete an initial sea-time phase of how many hours in DP-critical roles?
Answer: Approximately 150 hours as DPO in the DP chair
The IMCA framework requires approximately 150 hours of documented sea time as the DPO in the DP chair before full certification is awarded.
Which section of the DNV Rules for Classification covers requirements for thruster and propulsion systems on DP vessels?
Answer: Rules for Ships, Part 4 Chapter 4 (Rotating Machinery, Propulsion)
DNV Rules for Ships, Part 4 Chapter 4 covers rotating machinery including thrusters and propulsion systems essential to DP vessels.
The IMCA 'DP Station Keeping Incident' definition distinguishes a 'Drive-off' from a 'Drift-off' by:
Answer: A drive-off involves erroneous thruster commands pushing the vessel off position; a drift-off is passive due to loss of thrust
In IMCA incident taxonomy, a drive-off is caused by erroneous thrust being applied, while a drift-off results from passive loss of thrust or position reference.
Per IMCA M 103, DP Equipment Class 1 is described as having:
Answer: No redundancy — loss of position may occur in the event of a single failure
Class 1 provides no redundancy requirement, meaning a single failure can result in loss of position; it is suitable only for operations where this risk is acceptable.
The purpose of an 'FMEA Proving Trial' as required by class rules is to:
Answer: Physically demonstrate that failures identified in the FMEA produce the predicted system response
An FMEA Proving Trial involves deliberately inducing the documented failure modes to verify that the actual vessel response matches the FMEA predictions.