What are the potential consequences if a GPOW fails to perform their duties?

The selection of increased security breaches and hazards as the correct answer highlights the critical role a Gangway Petty Officer of the Watch (GPOW) plays in maintaining the safety and security of a vessel. If a GPOW fails to perform their duties, such as monitoring who enters and exits the ship or ensuring that safety protocols are followed, it can lead to unauthorized access. This not only poses risks to the crew and the ship's operations but also increases the likelihood of theft, sabotage, or other criminal activities.

Moreover, neglecting these responsibilities can contribute to unsafe conditions on board, as security is closely linked with overall safety. Any failure in this role can result in severe consequences, including threats to the physical security of the vessel, which can compromise both personnel safety and the integrity of operations.

In contrast, the other options do not appropriately reflect the implications of a GPOW's failure to fulfill their duties. Reduced cargo capacity and improved operational efficiency are unrelated to the immediate duties of a GPOW, while enhanced crew morale would likely be negatively impacted due to the resulting security risks and hazards. The position of a GPOW is essential for maintaining a secure environment, and shortcomings can have far-reaching effects beyond just immediate operational concerns.