A protecting agent is appointed by the shipowner to safeguard the owner's interests during a port call, while a charterer's agent, sometimes the same person handling the operational husbandry, is appointed by the charterer to manage the call; the two roles can overlap in practice but exist to represent different parties.
The short answer: who represents whom
In a time or voyage charter, the charterer typically has the right to nominate the port agent who handles the vessel's call, since the charterer is paying for the port costs and running the commercial side of the voyage. That nominated agent, often called the charterer's agent or the operating agent, coordinates the practical husbandry of the call: berthing, cargo liaison, documentation and the disbursement account. This nomination right is usually written directly into the charter party, so it is worth checking the specific wording rather than assuming a default arrangement applies.
The shipowner, however, still has interests at that port call that the charterer's agent is not primarily there to protect, since the charterer's agent works for and is paid by the charterer. To cover this gap, the owner can appoint its own protecting agent, sometimes called a husbandry agent acting for the owner, whose job is to look after the vessel's and the owner's specific interests alongside the charterer's nominated agent.
None of this implies the charterer's agent acts improperly; the arrangement simply reflects who is paying for what. The owner's protecting agent exists to make sure the owner's side of the story is documented independently, not to second-guess the charterer's agent's work as a matter of course. Clarifying this distinction upfront helps both agents understand their respective roles when they meet on the ground.
What the charterer's agent does
The charterer's agent is the operating agent for the call in the everyday sense: arranging pilots and tugs, liaising with the terminal on cargo operations, submitting the standard port documentation, and preparing the disbursement account for the costs the charterer is responsible for under the charter party. This agent is the main point of contact for most of the practical work of the call.
Because the charterer's agent answers primarily to the charterer, its priorities naturally follow the charterer's instructions, for example on cargo handling decisions or commercial timing. This is normal and expected under most charter arrangements, but it is also exactly why an owner with specific concerns about a call, such as a vessel with a claims history at that port or a cargo requiring particular attention, may want independent representation. None of this is a criticism of the charterer's agent; it is simply a natural consequence of who it works for.
For the majority of calls, where nothing unusual is expected, the charterer's agent operating alone works perfectly well, and most port calls worldwide proceed exactly this way without any owner-appointed protecting agent involved at all.
What the protecting agent does
A protecting agent works directly for the shipowner and is paid by the owner, independently of the charterer's agent. Its role is to attend the vessel on the owner's behalf, monitor how the call is being handled, verify facts that matter to the owner such as cargo condition, quantity or any incidents during loading or discharge, and report back to the owner's operations team with an independent account of events. The protecting agent does not take over the operational tasks the charterer's agent is already handling; the two roles are complementary rather than duplicated.
This matters most in situations where the owner's and the charterer's interests could diverge, for example a dispute over cargo quantity, damage during operations, laytime and demurrage calculations, or any circumstance likely to end up being reviewed later. Having an agent on the ground who reports to the owner alone gives the owner its own record, rather than relying solely on the charterer's agent's version of events. That independent record becomes particularly valuable when a claim surfaces months later, by which point memories have faded and witnesses may be harder to reach.
This reporting typically includes photographs, timed notes on cargo operations, and observations on anything that deviates from what was planned, compiled into a record the owner can refer back to if a question arises weeks or months after the vessel has sailed.
When both are appointed together
It is common, particularly for time-chartered vessels or calls involving cargo disputes, claims-prone trades or unfamiliar ports, for an owner to appoint a protecting agent alongside the charterer's nominated agent for the same call. The two work independently but need not work against each other: in practice a well-run call sees the protecting agent staying informed of the operational agent's work and stepping in specifically where the owner's interests need direct attention. Friction between the two is rare when both understand their respective roles from the outset; most difficulties arise when one side is unclear about why a second agent has been appointed.
The additional cost of appointing a protecting agent is usually modest relative to what is at stake if a cargo or laytime dispute arises later without independent documentation, which is why owners tend to reserve the appointment for calls where risk is genuinely elevated rather than using it as a default on every voyage.
Deciding whether a given call warrants a protecting agent is ultimately a judgment call for the owner's operations or claims team, weighing the specific cargo, port, counterparty and trading history rather than applying a blanket rule across the fleet.
Choosing an agent for either role
Whether appointed as the operating agent by the charterer or as the protecting agent by the owner, the practical qualities to look for are similar: responsiveness, transparent reporting, and genuine local knowledge of the specific Turkish port involved rather than a generic understanding of Turkish agency practice.
Yeke Denizcilik acts in both capacities across Turkish ports, handling operational husbandry when nominated by charterers and providing independent protecting agency services when appointed directly by owners, and understands the practical difference between the two roles on the same call.
Whichever role is being filled, the underlying test for the owner or charterer making the appointment is the same: does this agent understand exactly whose interests it is representing on this particular call, and will it act accordingly without needing to be reminded. An agent that is clear about this from the first conversation is usually the one worth keeping on the approved list for future calls.

