Types of Marine Insurance Policies
Although marine insurance policies are generally similar in structure, they differ in terms of execution, risk coverage, and operational scope. From a coverage perspective, marine cargo insurance is commonly divided into three principal categories:
- Coverage Type A.
- Coverage Type B.
- Coverage Type C.
These insurance methods are widely recognized in international trade and have been standardized by international insurance associations as general cargo insurance conditions.
Marine Insurance Coverage Methods
Marine insurance coverage is classified into three primary levels, each providing different degrees of protection.
Coverage Type C
Coverage Type C is commonly known as minimum coverage and includes protection against the following risks:
- Explosion.
- Fire.
- Grounding of the vessel.
- Sinking.
- Capsizing.
- Derailment or malfunction of loading or unloading conveyor systems.
- Collision or contact with external objects.
- Discharge of cargo at a port of refuge.
- General average loss.
Coverage Type B
Coverage Type B includes all risks covered under Coverage Type C and extends protection to additional risks, including:
- Earthquake.
- Volcanic activity.
- Lightning.
- Cargo loss caused by heavy sea waves.
- Water ingress into the vessel.
- Total loss of cargo during loading or unloading operations.
- Malicious damage.
Coverage Type A
Coverage Type A is commonly referred to as comprehensive marine insurance and provides the broadest level of protection by covering most maritime risks. However, cargo owners should carefully review policy terms, as certain risks such as war, strikes, or civil disturbances are often classified as special risks and require additional coverage endorsements.
Classification of Marine Insurance Policies by Application
Marine insurance policies may also be categorized based on their operational function. Some policies apply specifically to vessels, while others may cover cargo, freight, or multiple maritime interests. Major categories include:
- Voyage insurance.
- Time insurance.
- Combined voyage and time insurance.
- Builder’s risk insurance.
- Port risk insurance.
- Valued insurance.
- Unvalued insurance.
- Open cover insurance.
- Floating insurance.
Voyage Insurance
Voyage insurance provides coverage for risks associated with transportation between specified points of departure and destination. For example, cargo transported from Bandar Abbas to Hamburg or Liverpool, and vice versa, may be insured under a voyage policy. This type of insurance is most commonly used for cargo insurance and, less frequently, for freight insurance. It is rarely used today for hull insurance.
Time Insurance
Time insurance provides coverage for maritime risks over a specified period, regardless of the vessel’s route or destination. This policy type is frequently used for insuring vessels and maritime operations.
Combined Voyage and Time Insurance
Combined insurance policies provide coverage for both a specific voyage and an additional agreed period after the vessel reaches its destination. Such policies often cover the vessel’s hull, equipment, and associated maritime risks.
Builder’s Risk Insurance
Builder’s risk insurance covers risks associated with ship construction. Coverage typically begins from the commencement of shipbuilding activities and continues until completion of sea trials and delivery of the vessel to its owners.
Port Risk Insurance
Port risk insurance provides protection for vessels during periods when they remain stationary at a port. This policy covers risks specific to port environments that differ from navigation-related maritime risks.
Valued Insurance
Valued insurance establishes a predetermined agreed value for the insured property. The agreed value may not necessarily reflect the actual market value, but serves as the basis for determining insurance compensation.
Unvalued Insurance
Unvalued insurance does not specify the value of the insured property at the time of policy issuance. The insurable value is determined later, usually based on agreed calculations or documentation. This type of insurance is commonly used for freight insurance. In freight insurance, the insurable value generally includes gross freight earnings, insurance costs, and any associated financial risks assumed by the insured.
Floating or Open Cover Insurance
Floating insurance, also known as open cover insurance, provides long-term protection for cargo shipments under continuous or multiple shipping contracts. It is commonly used by businesses that regularly transport goods by sea.
Frequently Asked Questions About Types of Marine Insurance Policies
Marine cargo insurance is generally divided into three categories: Coverage Type C, providing minimum protection; Coverage Type B, providing intermediate protection; and Coverage Type A, providing comprehensive protection.
Coverage Type C includes risks such as fire, explosion, grounding, sinking, collision, cargo discharge at ports of refuge, and general average loss.
Coverage Type B includes all Coverage Type C risks and adds protection against natural disasters, water ingress, malicious damage, and total cargo loss during loading or unloading operations.
Coverage Type A provides broad maritime risk coverage. However, special risks such as war or labor strikes usually require additional policy endorsements.
Voyage insurance covers risks during transportation between specific departure and destination points, while time insurance provides coverage for a defined time period regardless of the vessel’s route.
Builder’s risk insurance protects against construction-related risks during vessel manufacturing, while port risk insurance covers hazards occurring when vessels are docked at port facilities.
Valued insurance establishes an agreed insured value in advance, while unvalued insurance determines the insurable value after policy issuance based on documented or calculated amounts.
Floating insurance provides extended coverage for ongoing or multiple cargo shipments and is commonly used in long-term commercial shipping operations. How many main types of marine cargo insurance coverage exist?
What risks are covered under Coverage Type C?
What is the difference between Coverage Type B and Coverage Type C?
What are the characteristics of Coverage Type A?
What is the difference between voyage insurance and time insurance?
What is the purpose of builder’s risk and port risk insurance?
What distinguishes valued insurance from unvalued insurance?
What is floating or open cover insurance?





