10 most common mistakes in sea transport and how to avoid them
The 10 most common mistakes in sea freight and how to avoid them
Sea transport is a cost-effective, scalable and predictable solution, provided that the entire process is properly coordinated. Today, we will present the most common mistakes in sea freight and advise you on how to avoid them.
1. Underestimating the complexity of the logistics process
A common mistake is to reduce sea transport solely to port-to-port freight. Meanwhile, the most important processes – both in terms of risks and optimisation opportunities – occur in the so-called land segment, i.e. in the preparation of cargo, documentation, customs clearance, port gate, slot planning, terminal or final distribution.
Lack of proper preparation before loading results in, among other things:
- lack of availability of suitable containers,
- overloading of departure ports,
- inappropriate choice of container type,
- downtime and storage costs,
- delays in order fulfilment.
In an era of pressure on lead times and delivery stability, this is a strategic area requiring an operator with real know-how and access to extensive infrastructure.
2. Incomplete or incorrect customs documentation
Customs documentation serves as a ‘passport’ for the cargo. It confirms its origin, value, classification, nature and destination. Irregularities in the documents lead to detentions, inspections, additional charges, demurrage and detention.
The most common errors:
- incorrect tariff classification,
- discrepancies between commercial documents,
- lack of declaration of value or country of origin,
- lack of approval documents (e.g. MSDS in ADR),
- errors in accompanying documents - e.g. packing list or BL,
- lack of preparation for customs procedures in the destination country.
Another critical point is the separation of responsibilities – without an operator combining the functions of freight forwarding and customs, the risk of errors increases significantly.
3. Incorrect securing of cargo and stowage
Securing cargo in a container and the stowage process require experience and access to the appropriate equipment. Incorrect placement of goods results in damage, displacement and material losses. This is especially true for the transport of:
- fragile,
- high-value,
- pressure-sensitive,
- pharmaceutical and food (reefer) goods,
- hazardous goods (ADR/IMDG),
- oversized and project goods.
The cost of proper securing is negligible compared to the costs of complaints and downtime resulting from improper cargo preparation.
4. Errors in handling dangerous goods (ADR/IMDG)
The maritime transport of dangerous goods requires compliance with IMDG regulations. The most common errors are:
- incorrect classification of goods — hinders the selection of containers, routes and security measures,
- incorrect selection of certified packaging,
- incomplete container and label marking,
- incomplete or incorrect transport documentation,
- lack of MSDS safety data sheets,
- failure to consult with a certified operator.
The consequences include refusal to load, detention at port, costs, and even environmental and regulatory risks.
5. Limiting yourself to one port of departure
The ‘single-port strategy’ is one of the most common mistakes. Why? Well, ports differ in terms of, among other things:
- transit time,
- congestion risk,
- equipment availability,
- slot availability,
- terminal costs,
- availability of customs and warehousing services.
Operators with a port network minimise risk and optimise lead time, especially for cargo requiring special conditions (reefer, ADR).
6. Incorrect selection of Incoterms
Incoterms define the responsibilities and risks between the parties to a transaction. Incorrect selection leads to:
- unexpected costs for the seller or buyer,
- disputes over customs clearance,
- delays resulting from unclear responsibilities,
- problems with cargo insurance,
- loss of control over logistics.
In the maritime industry, EXW, FOB, CIF and DAP/DPU/DDP are among the most critical. The selection of terms should take into account not only price, but also control over the supply chain.
7. Container rollover (overbooking)
Rollover means postponing loading to the next ship due to lack of space or equipment. This is one of the main sources of delays on high-volume routes, especially Far East → Europe/US.
Consequences:
- longer delivery times,
- production delays,
- storage costs,
- loss of contract deadlines,
- risks in retail (seasonality) and production (just-in-time).
Operators who use data and access to multiple lines reduce this risk.
8. Lack of real-time supply chain visibility
Lack of access to container milestones hinders:
- production planning,
- inventory management,
- communication with customers,
- warehouse synchronisation,
- transport cost optimisation.
Platforms enabling monitoring are becoming standard:
- ETD/ETA,
- port cut-offs,
- transhipment phases,
- customs clearance,
- unloading,
- last mile.
How to choose a logistics operator for sea transport?
When choosing a partner, consider:
- operational and industry experience,
- network of ports and shipowners,
- access to fleet and containers,
- customs competence and certifications (e.g. IMDG),
- reefer and pharma services,
- door-to-door and multimodal capabilities,
- own infrastructure (e.g. container depot),
- own fleet of lorries,
- IT tools supporting visibility and analysis.
Summary
Sea transport is cost-effective, scalable and predictable — provided it is properly coordinated. The most common mistakes do not concern the ship, but the entire process system: documents, preparation, ports, commercial conditions and supply chain visibility.
Operators combining know-how, infrastructure and customs and forwarding expertise eliminate most of the risks described and ensure operational stability.
Do you have questions about sea transport or would you like to commission us to transport your goods by sea?