Ship Management Costs
Ship management is not limited to arranging crews, buying stores, paying invoices, and supervising repairs. A professional ship management system must identify every major cost connected with the ship, allocate responsibility for those costs correctly, prepare a realistic annual budget, monitor actual spending, and provide the Shipowner with reliable information for commercial decision-making. Without proper cost control, even a technically sound ship may become commercially weak.The expenses connected with a trading ship are usually divided into three principal groups. These groups are important because each one is controlled by different parties and responds differently to market conditions, trading pattern, employment type, and managerial discipline.
The three main categories are:
- Ship Fixed Costs (Ship Capital Costs)
- Ship Operating Costs
- Ship Voyage Costs
1- Ship Fixed Costs (Ship Capital Costs): Ship Fixed Costs are the costs connected with owning or financing the ship. They normally arise from the purchase, financing, registration, leasing, or capital structure of the ship and are generally controlled by the Shipowner rather than by the ship manager. These costs may include loan repayments, interest, leasing charges, pre-delivery expenses, initial registration costs, mortgage-related fees, and sometimes tax-related items.
If the ship has been purchased with the Shipowner’s own funds, the fixed cost calculation may include depreciation and a required return on capital. The Shipowner’s management or shareholders will usually decide what annual depreciation rate and return on investment should be applied. If the ship has been purchased with bank finance, mortgage repayments and interest become major fixed costs. If the ship is taken under a bareboat or demise charter, the bareboat hire operates commercially like a capital cost because it must be paid whether the ship is profitably employed or not.
Ship Fixed Costs are important because they continue regardless of whether the ship is fully employed, delayed, under repair, waiting for orders, or trading in a weak freight market. A Shipowner who ignores capital costs may believe that a voyage is profitable merely because it covers bunkers and port charges, while in reality the ship may not be earning enough to service debt, depreciation, or investment return.
2- Ship Operating Costs: Ship Operating Costs are the daily costs of keeping the ship properly manned, insured, maintained, supplied, administered, and technically capable of trading. These costs are usually the primary responsibility of the ship manager. They are often described as Daily Operating Costs or Daily Running Costs, commonly abbreviated as DOC or DRC.
Ship Operating Costs may appear fixed over short periods, but in reality they are semi-variable. Crew costs, insurance premiums, planned maintenance, communication expenses, surveys, stores, lubricants, and management fees may be budgeted over the year, but actual spending can change because of crew relief timing, repair requirements, survey findings, trading area, port availability, inflation, exchange rates, and the ship’s age and condition.
The main duty of the ship manager is to budget these costs accurately, monitor spending continuously, and explain meaningful differences between the budget and actual expenditure. A well-prepared operating-cost budget allows the Shipowner to calculate the ship’s minimum earning requirement and to compare that figure with time charter rates, voyage estimates, or fleet performance.
Typical Ship Operating Costs include crew wages and related employment costs, victualling, stores, lubricants, routine maintenance, spare parts, technical repairs, insurance, P&I (Protection and Indemnity) costs, survey expenses, classification fees, communication costs, administrative expenses, and the ship management fee.
3- Ship Voyage Costs: Ship Voyage Costs are variable costs arising from the specific employment of the ship. These costs change with the voyage route, cargo, ports, canal transits, bunker prices, loading and discharging terms, agency arrangements, and charter-party allocation of responsibility.
Ship Voyage Costs commonly include bunkers, port charges, canal dues, pilotage, harbour tug hire, port agency fees, light dues, cargo-related expenses, loading costs, discharging costs, shifting expenses, hold cleaning where applicable, and other voyage-specific payments. These costs normally fall within the responsibility of the commercial operator of the ship.
If the Shipowner operates the ship on voyage charter, the Shipowner usually bears most voyage costs unless the charter party transfers specific items to the Charterer. If the ship is fixed on time charter, most voyage costs, especially bunkers and port expenses, normally become the responsibility of the Time Charterer. The distinction is commercially important because a Shipowner’s income under a voyage charter is freight, while income under a time charter is hire. The cost exposure is therefore different.
Ship Management Costs
Ship managers may operate as an in-house department within the Shipowner’s organisation or as an independent third-party manager appointed under a ship management agreement. In both cases, professional ship management requires a clear division between ownership decisions, operating responsibilities, and commercial employment decisions. Treating the management function as a separate accountable unit is useful even where the management department belongs to the Shipowner’s own group.For the purpose of cost control, it is helpful to consider an independent ship manager providing a full management package. Under this arrangement, the Shipowner controls capital investment and financing decisions, while the ship manager is expected to deliver safe, compliant, efficient, and economical operation within an agreed budget. The ship manager’s accounting function is therefore central to the relationship.
The Shipowner relies on the ship manager to provide a technically reliable ship at a predictable cost. The Shipowner then uses that cost information to make commercial decisions. For example, if the ship’s capital cost plus operating cost equals a certain daily amount, the Shipowner can compare that figure with available time charter rates. If the market rate is below the full cost of ownership and operation, the Shipowner must decide whether to continue trading, wait for better employment, reduce costs, sell, refinance, or lay up the ship.
The ship manager’s accounting function normally falls into three connected stages:
- Ship Budget Preparation
- Ship Budget Processing
- Ship Budget Reporting
A ship budget usually covers a period of 12 months. From the annual budget, the ship manager can prepare a monthly or quarterly cash flow projection. This allows the Shipowner to understand when funds will be required and why some months may be more expensive than others. Insurance premiums, drydocking instalments, survey fees, crew rotation, and major repair periods may create uneven cash requirements even if the annual budget appears stable.
1- Ship Budget Preparation
Ship Budget Preparation is one of the most important duties of the ship manager. A budget is not merely an estimate of future spending. It is a financial plan that translates the ship’s technical condition, trading pattern, crewing requirements, maintenance needs, insurance position, and management structure into a measurable cost forecast.For a ship already under management, budget preparation is usually more reliable because the manager knows the ship’s history. The manager can review previous operating costs, recurring repair issues, crew cost patterns, store consumption, lubricant consumption, insurance claims, drydock performance, and class requirements. A known ship can therefore be budgeted with reasonable accuracy, provided market prices and trading assumptions remain realistic.
For a newly acquired ship or a ship that has not yet entered management, budget preparation is more difficult. The manager may not know the ship’s real technical condition, crew requirements, repair history, spare-parts availability, drydock status, or actual consumption pattern. The more information supplied before takeover, the more reliable the budget will be.
Ideally, the ship manager should carry out a technical inspection before finalising the budget. The manager should also review class records, survey status, machinery history, defect lists, drydock reports, certificate dates, trading certificates, crew matrix requirements, and any recent inspection findings. However, Shipowners sometimes require an indicative budget before the manager has inspected the ship. In that case, the budget should clearly state all assumptions.
The main assumptions should include ship type, size, age, flag, class, trading area, main engine type, auxiliary engine type, crew nationality, crew number, anticipated running days, expected drydock timing, insurance structure, and management scope. If any of these assumptions change, the budget should be revised.
Ship Crew Costs: Crew costs are usually one of the largest items in the operating budget. They include wages, leave pay, social contributions, pensions, insurance contributions, overtime, bonuses, travel, repatriation, training, medical expenses, recruitment costs, cadet costs, standby pay, overlap time, and other employment-related expenses. The Shipowner is usually less concerned with each individual wage line than with the total annual cost of safely and legally manning the ship.
Crew cost calculation must consider relief cycles. If a seafarer serves two months onboard and then receives one month of leave, the Shipowner cannot budget only for one person’s salary for that position. The position must be filled continuously. In practical terms, more than one person may be needed over the year to cover the same rank. If a crew member earns USD 100,000 per year on a simple annualised basis but the leave ratio requires 1.5 persons to maintain one continuous onboard position, the annual cost to the Shipowner becomes USD 150,000 before additional employment costs.
Overlap time must also be considered. Outgoing and incoming crew may be onboard together for handover. Flights, visas, launch hire, immigration formalities, agency charges, medical examinations, and pre-joining requirements can add significant cost. Crew travel and repatriation are difficult to budget precisely because they depend on the ship’s itinerary, crew nationality, port accessibility, airline prices, and visa requirements.
Some ship managers use a unit-cost method. Under this method, the manager calculates the average annual cost of filling each rank across the managed fleet and applies that figure to the ship. This may be useful where the manager operates a large fleet with similar crew structures. However, unusual ship types, special trading areas, difficult flags, or highly specialised crew requirements may require separate calculation.
Crew establishment costs should not be ignored. Recruitment, training, cadet programmes, study leave, simulator courses, tanker endorsements, safety courses, security training, medicals, uniforms, standby pay, sick pay, and administrative support all have real cost. In some countries, government schemes may support training or employment costs, but the manager must identify whether such support is available and whether it reduces the Shipowner’s budgeted expenditure.
Crew medical expenses also require attention. Some medical costs may be recoverable from P&I (Protection and Indemnity) insurance, while others may fall below deductibles or outside recovery. The budget should allow for realistic crew medical exposure based on fleet experience, crew profile, and trading area.
Ship Store Costs: Ship Store Costs cover a wide range of consumable items required to keep the ship supplied and operational. The first major category is victualling or provisioning. This is often arranged on a catering contract basis, calculated as a daily amount per crew member. The manager must ensure that the provisioning standard is suitable, the cost is competitive, and the quality supplied corresponds with the amount paid.
Ship Chandlers operate in a competitive but risk-sensitive market. A ship manager must supervise the supply process carefully. Poor quality food, inflated invoices, substituted goods, excessive quantities, or improper inducements to ship staff can create cost leakage and welfare problems. Good control requires approved supplier lists, price comparison, delivery checks, crew feedback, and invoice verification.
The second major store category is often informally described as Rope, Soap, and Dope. This expression covers many consumables used in daily ship operation. It may include mooring ropes, wires, lashings, packing materials, cleaning chemicals, gases, refrigerant chemicals, boiler treatments, tank cleaning chemicals, deck consumables, cabin stores, stationery, laundry supplies, and freshwater supplies.
The line between stores and spare parts can be difficult to draw. A practical distinction is that stores are consumables, while spare parts are replacement components for machinery or equipment. Paint is commonly treated as a store unless it is specifically purchased for drydock work or a major repair project. Lubricants and greases are also major store items, although some managers budget them separately because they are closely connected with engine type and running days.
Lubricating oil consumption can usually be estimated from engine size, engine type, operating profile, and anticipated running days. A ship trading continuously at sea will consume differently from a ship spending long periods idle, at anchor, or in port. The budget may account for stores on either a cash basis or a consumption basis. A cash basis records expenditure when items are purchased. A consumption basis attempts to match cost with the period in which the stores are used. The method should be agreed with the Shipowner for clarity.
Ship Maintenance Costs: Ship Maintenance Costs include spare parts, routine repairs, emergency repairs, shore labour, riding squads, service engineers, technical inspections, automation maintenance, electronic equipment repairs, navigation equipment maintenance, safety equipment servicing, class surveys, statutory surveys, and drydock-related allowances. As the ship ages, maintenance cost often increases, especially where machinery, steelwork, coatings, cargo gear, hatch covers, pumps, and automation systems require more attention.
Maintenance budgeting should be based on the ship’s condition, class status, repair history, manufacturer requirements, trading pattern, and planned maintenance system. A manager who budgets only by applying a standard fleet average may understate the cost of an older or technically difficult ship. Conversely, a well-maintained modern ship may perform below the fleet average for some years.
Spare parts require careful control. Critical spares must be available to avoid delay and unsafe operation, but excessive inventories tie up capital and may become obsolete. The manager must balance technical reliability with cost discipline. Expensive machinery parts, electronic components, cargo gear parts, turbocharger components, purifier parts, automation modules, and navigation equipment spares can create significant budget pressure.
Shore labour and riding crews are also part of maintenance cost. Some repairs can be carried out by the ship’s crew. Others require specialists in port or riding squads during the voyage. Riding crews may be cost-effective where repairs can be completed without taking the ship out of service, but they must be properly supervised, insured, and compliant with safety requirements.
Classification and survey fees fall within the maintenance and technical budget. Surveys may reveal additional repair requirements, and the budget should allow for this possibility. Safety equipment servicing, lifeboat inspections, fire-fighting system checks, radio surveys, load line surveys, and statutory inspections must not be treated as optional expenses.
Drydocking is one of the largest maintenance events. If the ship is expected to drydock every second year, the manager may budget half of the expected drydock cost each year on an accrual basis. This builds up a provision so that the Shipowner is not suddenly faced with the full drydock cost in the docking year. Some Shipowners prefer to exclude drydock from the annual operating budget and treat it as a special capital or below-the-line item. The manager must clarify the Shipowner’s preference at the budget discussion stage.
Ship Insurance: Ship Insurance costs include Hull and Machinery premiums, P&I (Protection and Indemnity) Club calls, war risk cover, loss of hire where applicable, and other covers required by the Shipowner, lender, flag, or trade. Insurance budgeting should be based on renewal terms, market conditions, claims history, trading area, ship type, insured value, deductibles, and any additional premiums for special voyages.
P&I budgeting should reflect estimated total calls for the policy year. The cash position may differ from the accounting cost because calls may be paid in instalments, adjusted, deferred, or supplemented. Nevertheless, the Shipowner should accrue for the true annual cost of P&I cover. Insurance is a core operating expense and should not be understated.
Deductibles require a clear policy decision. If a claim occurs and the repair or liability amount falls within the deductible, the Shipowner may bear that cost directly. Some Shipowners allow deductible-related repair costs to remain in maintenance expenses where they occur. Others include an estimated deductible allowance in the budget. The agreed treatment should be clear so that budget comparisons are meaningful.
Administration Costs: Administration Costs include the cost of technical supervision, superintendent travel, management systems, accounting, communications, subscriptions, flag fees, renewals, certificates, class correspondence, office administration, and agency costs for owner-related matters. Where the ship is managed by an independent manager, the Ship Management Fee is usually included under administration or shown separately as a management charge.
If the ship management function is in-house, the Shipowner should still calculate a realistic management overhead. Office staff, technical superintendents, marine superintendents, accountants, purchasing personnel, crewing staff, compliance officers, travel, software, communications, and management systems all cost money. These costs should be apportioned fairly across the fleet so that each ship’s real operating cost is visible.
2- Ship Budget Processing
Once the Shipowner and ship manager have agreed the annual budget, the next stage is Ship Budget Processing. This is the practical stage during which the ship enters service, costs are incurred, invoices arrive, payments are made, and the manager controls the flow of funds on behalf of the Shipowner.The agreed budget is normally converted into a cash flow forecast. The forecast may be divided month by month and will estimate how much funding the manager requires from the Shipowner in each period. The cash flow is rarely even. Some months may include insurance payments, class fees, large store orders, crew changes, survey expenses, or drydock instalments. Other months may be lighter.
For independent ship managers, the cash flow forecast often becomes the basis for monthly funding requests. The Shipowner remits funds to the manager, and the manager uses those funds to pay crew wages, suppliers, repairers, agents, insurers, travel providers, class societies, communication providers, and other service providers. Timely funding is essential because late payments can damage the ship’s operation and the manager’s credibility with suppliers.
Budget processing requires disciplined invoice control. Invoices should be checked against purchase orders, delivery notes, service reports, contracts, crew records, and approved budgets. The responsible superintendent or department should confirm that goods or services were actually supplied, that prices are correct, and that the cost belongs to the correct ship. Duplicate invoices, inflated invoices, incorrect coding, and unauthorised purchases must be prevented.
Different ship management companies use different approval procedures, but the essential process is similar. Costs must be entered, checked, coded, authorised, paid, and recorded. Proper coding is important because later budget reports depend on accurate allocation. A repair cost posted as stores, or an insurance deductible posted as routine maintenance without explanation, may distort management analysis.
During the year, the budget may need revision. If the ship changes trading pattern, flag, crew composition, insurance terms, drydock timing, or technical condition, the original assumptions may no longer apply. A revised forecast should then be discussed with the Shipowner. Budget processing is therefore not merely clerical; it is an active management function.
3- Ship Budget Reporting
Ship Budget Reporting is the stage at which the ship manager demonstrates whether the ship is being operated within the agreed financial framework. The main reporting tool is the Budget and Actual Analysis Statement. This statement compares the budgeted figures with actual expenditure and identifies variances.The Budget and Actual Analysis Statement may be prepared monthly, quarterly, or at another agreed interval. A monthly report gives early warning of cost movement, but small timing differences can create misleading fluctuations. For example, a store invoice paid in January rather than February may make one month look excessive and the next month look low. A quarterly report smooths some timing differences but may identify problems later than desirable.
A practical compromise is to provide monthly statements together with cumulative year-to-date analysis. The monthly column shows current activity, while the cumulative column reveals the real trend. This allows the Shipowner and ship manager to distinguish timing differences from genuine cost overruns.
Numbers alone are not enough. The ship manager should provide commentary on significant variances. If crew costs are higher, the report should explain whether the reason is crew overlap, travel cost, wage increase, medical expense, or additional manning requirement. If maintenance costs exceed budget, the manager should explain whether the cause is planned repair, unexpected breakdown, survey requirement, deferred maintenance, or drydock preparation. If stores are high, the explanation may relate to trading pattern, supplier change, stock replenishment, or poor consumption control.
The relationship between Shipowner and ship manager should be transparent. A ship manager should not hide problems or delay bad news. The proper approach is to identify issues early, explain the cause, recommend corrective action, and agree the next steps with the Shipowner. A good report is not merely an accounting record; it is a management tool.
Budget reporting can reveal technical warning signs. Rising lubricant consumption may indicate machinery problems. Increasing spare-parts costs may suggest ageing equipment. Repeated hatch cover repairs may warn of cargo claim risk. Crew travel overspend may reveal poor crew planning. Higher medical costs may suggest welfare, recruitment, or crew selection issues. Proper analysis allows the Shipowner to act before a minor problem becomes expensive.
When used properly, the Budget and Actual Analysis Statement helps calculate the ship’s real daily cost. The Shipowner can combine capital cost and operating cost, average them daily, and compare the result with time charter rates or voyage earnings. This gives a practical measure of net earning potential. If the market is below cost for a sustained period, strategic decisions may be required.
Ship Lay-up Decision
Shipping markets are cyclical. Periods of high freight rates often encourage ordering, expansion, and aggressive trading. Periods of weak demand, oversupply, high operating costs, or poor freight rates may create severe pressure on Shipowners. When market income falls below the cost of operating the ship for an extended period, the Shipowner may consider laying up the ship.A Ship Lay-up Decision must be taken carefully. Lay-up is not simply a matter of dismissing the crew, shutting down machinery, switching off lights, and locking the accommodation. A ship remains a valuable and complex asset. If the ship is not preserved correctly, machinery may deteriorate, coatings may fail, corrosion may accelerate, certificates may lapse, insurance may be affected, and reactivation may become expensive or delayed.
Lay-up requires close cooperation between Shipowner, ship manager, insurers, Classification Society, flag state, local authorities, and sometimes lenders. Insurers may require inspection and approval of the lay-up location, mooring arrangements, fire precautions, alarm systems, security, watchkeeping, machinery preservation, and emergency response arrangements. Classification Society involvement may also be required to confirm that the ship is maintained safely and that class status is protected.
The cost of a properly managed lay-up is usually lower than normal trading operation, but it is not negligible. The ship may still require watchmen, skeleton crew, security, power supply, dehumidification, machinery preservation, mooring maintenance, insurance, class attendance, periodic inspections, communication, and port or anchorage fees. After allowing for insurance returns and reduced crew costs, the daily lay-up cost may be significantly below the normal daily operating cost, sometimes less than a quarter of ordinary running cost, but the saving must be weighed against reactivation cost and commercial flexibility.
Reactivation can be expensive. A ship coming out of lay-up may require drydocking, class surveys, machinery overhaul, safety equipment servicing, crew mobilisation, stores replenishment, insurance renewal, flag documentation, testing, cleaning, and sea trials. If the market improves suddenly, a poorly preserved ship may miss profitable employment because she cannot be reactivated quickly.
Lay-up also creates manpower issues. Crew may need to be released, reassigned, or placed on standby. Redundancy or lay-off costs may arise depending on employment contracts and ship management agreements. Some management agreements may allocate part of this cost to the Shipowner, while others may leave the risk with the ship manager. The terms should be reviewed before the decision is made.
A prolonged shipping recession can reduce the available pool of experienced seafarers. If many ships are laid up and crews leave the industry, reactivation across the market may become difficult when freight rates recover. This wider labour-market effect should not be ignored, especially for specialised ships requiring trained officers and ratings.
The decision to lay up should therefore compare several factors: expected market duration, current daily operating loss, lay-up cost, reactivation cost, asset preservation, class requirements, crew consequences, insurance conditions, financing obligations, and the opportunity cost of being unavailable for sudden employment. A rushed lay-up decision may save money in the short term but damage the ship’s long-term value.
Cost Control and Management Discipline
Effective ship management depends on cost control without compromising safety, compliance, or asset value. Cutting essential maintenance, under-budgeting crew welfare, postponing statutory surveys, or ignoring critical spares may create short-term savings but larger future losses. Professional cost control means spending the right amount at the right time for the right purpose.The ship manager should distinguish between avoidable waste and necessary expenditure. Overpriced stores, poor purchasing discipline, weak invoice checking, excessive travel costs, and uncontrolled overtime should be challenged. Essential repairs, class requirements, safety equipment, crew competence, and insurance protection should not be treated as optional savings.
A strong purchasing system improves cost control. Competitive quotations, approved suppliers, fleet purchasing agreements, centralised procurement, stock monitoring, and technical review can reduce unnecessary expenditure. However, purchasing should not be driven only by lowest price. Poor quality spares, unsuitable stores, or unreliable suppliers can create greater cost through failure, delay, or safety risk.
Digital management systems now support better cost analysis. Planned maintenance systems, procurement platforms, crew management tools, invoice coding systems, and budget dashboards allow managers to track cost trends more accurately. However, technology is only useful if the data entered is accurate and reviewed by competent people.
Commercial Use of Ship Management Cost Information
Ship management cost information is valuable only if it helps the Shipowner make better decisions. The Shipowner must know the ship’s daily cost before evaluating a voyage or time charter. If the market offers a time charter rate above daily capital and operating cost, the ship may generate positive net earnings. If the rate is below cost, the Shipowner must decide whether to accept a loss, wait, ballast to another market, lay up, or reposition strategically.Cost information also assists in sale and purchase decisions. A buyer examining a ship should consider not only purchase price but also expected operating cost, upcoming drydock, crew cost, insurance cost, maintenance condition, and likely capital expenditure. A cheap ship may become expensive if she requires heavy repairs or has high daily running costs.
Fleet comparison is another important use. If one ship consistently operates above budget while similar ships operate within budget, the manager should investigate. The reason may be age, machinery condition, crew performance, trading pattern, supplier pricing, poor purchasing, or hidden technical problems. Cost data helps identify where management attention is needed.
For lenders and investors, reliable cost reporting supports confidence. A Shipowner seeking finance, refinancing, or investment must show that the ship’s operating assumptions are realistic. Overly optimistic budgets may mislead investors and create later cash pressure. Professional budgeting improves credibility.
Summary
Ship Management Costs are normally divided into Ship Fixed Costs, Ship Operating Costs, and Ship Voyage Costs. Ship Fixed Costs are connected with owning or financing the ship and are mainly controlled by the Shipowner. Ship Operating Costs are the daily costs of keeping the ship crewed, insured, supplied, maintained, administered, and ready for service. Ship Voyage Costs are variable expenses arising from the ship’s particular employment, such as bunkers, port charges, canal dues, pilotage, tug hire, agency fees, and cargo-operation costs.The ship manager’s accounting responsibility normally involves Ship Budget Preparation, Ship Budget Processing, and Ship Budget Reporting. Budget preparation forecasts the annual cost of operating the ship. Budget processing controls invoices, payments, funding, and cost allocation during the year. Budget reporting compares actual expenditure with the agreed budget and explains meaningful variances.
Important operating-cost categories include Ship Crew Costs, Ship Store Costs, Ship Maintenance Costs, Ship Insurance, and Administration Costs. Each category requires careful assumptions, technical knowledge, market awareness, and accounting discipline. Crew relief, victualling, Rope, Soap, and Dope, lubricants, spare parts, drydocking, P&I (Protection and Indemnity) calls, insurance deductibles, communication costs, and ship management fees must all be treated realistically.
A proper Budget and Actual Analysis Statement gives the Shipowner a practical view of management performance. It identifies cost overruns, timing differences, technical warning signs, and future budget needs. The best ship management relationship is transparent and cooperative, with the ship manager explaining problems early rather than hiding them.
The Ship Lay-up Decision may arise during severe market depression. Lay-up can reduce daily cost, but it requires proper preservation, insurance approval, class involvement, mooring arrangements, security, skeleton crew, and reactivation planning. A ship in lay-up remains a valuable asset and must be maintained accordingly.
Ultimately, ship management cost control is not simply accounting. It is the financial expression of technical management, crew management, risk management, and commercial discipline. Accurate cost information allows the Shipowner to measure the ship’s real earning potential, compare operating cost with market rates, and make informed decisions about trading, chartering, repairing, selling, or laying up the ship.