diff --git a/model/src/main/java/de/dlr/proseo/model/ProcessingOrderHistory.java b/model/src/main/java/de/dlr/proseo/model/ProcessingOrderHistory.java
new file mode 100644
index 000000000..1b2b9f566
--- /dev/null
+++ b/model/src/main/java/de/dlr/proseo/model/ProcessingOrderHistory.java
@@ -0,0 +1,187 @@
+/**
+ * ProcessingOrderHistory.java
+ * 
+ * (C) 2024 Dr. Bassler & Co. Managementberatung GmbH
+ */
+package de.dlr.proseo.model;
+
+import java.time.Instant;
+import java.util.HashSet;
+import java.util.Set;
+
+import javax.persistence.Column;
+import javax.persistence.ElementCollection;
+import javax.persistence.Entity;
+import javax.persistence.EnumType;
+import javax.persistence.Enumerated;
+import javax.persistence.Index;
+import javax.persistence.Table;
+
+import de.dlr.proseo.model.enums.OrderState;
+
+/**
+ * A history entry for logging the processing times of a production order
+ * 
+ * @author Ernst Melchinger
+ *
+ */
+@Entity
+@Table(indexes = {
+	@Index(unique = true, columnList = "mission_code, identifier")
+})
+public class ProcessingOrderHistory extends PersistentObject {
+
+	/** Mission, to which this order belongs */
+	@Column(name = "mission_code")
+	private String missionCode;
+	
+	/** User-defined order identifier (unique within the mission) */
+	@Column(nullable = false)
+	private String identifier;
+	
+	/**
+	 * Date and time at which the ProcessingOrder was created
+	 */
+	@Column(name = "creation_time", columnDefinition = "TIMESTAMP")
+	private Instant creationTime;
+
+	/**
+	 * Date and time at which the ProcessingOrder was released
+	 */
+	@Column(name = "release_time", columnDefinition = "TIMESTAMP")
+	private Instant releaseTime;
+
+	/**
+	 * Date and time at which the ProcessingOrder was completed
+	 */
+	@Column(name = "completion_time", columnDefinition = "TIMESTAMP")
+	private Instant completionTime;
+
+	/**
+	 * Date and time at which the ProcessingOrder was deleted
+	 */
+	@Column(name = "deletion_time", columnDefinition = "TIMESTAMP")
+	private Instant deletionTime;
+
+	/** State of the processing order */
+	@Enumerated(EnumType.STRING)
+	private OrderState orderState;
+
+	/** The product types produced */
+	@Column(name = "product_types")
+	@ElementCollection
+	private Set<String> productTypes  = new HashSet<>();
+
+	/**
+	 * @return the missionCode
+	 */
+	public String getMissionCode() {
+		return missionCode;
+	}
+
+	/**
+	 * @return the identifier
+	 */
+	public String getIdentifier() {
+		return identifier;
+	}
+
+	/**
+	 * @return the creationTime
+	 */
+	public Instant getCreationTime() {
+		return creationTime;
+	}
+
+	/**
+	 * @return the releaseTime
+	 */
+	public Instant getReleaseTime() {
+		return releaseTime;
+	}
+
+	/**
+	 * @return the completionTime
+	 */
+	public Instant getCompletionTime() {
+		return completionTime;
+	}
+
+	/**
+	 * @return the deletionTime
+	 */
+	public Instant getDeletionTime() {
+		return deletionTime;
+	}
+
+	/**
+	 * @return the orderState
+	 */
+	public OrderState getOrderState() {
+		return orderState;
+	}
+
+	/**
+	 * @return the productTypes
+	 */
+	public Set<String> getProductTypes() {
+		return productTypes;
+	}
+
+	/**
+	 * @param missionCode the missionCode to set
+	 */
+	public void setMissionCode(String missionCode) {
+		this.missionCode = missionCode;
+	}
+
+	/**
+	 * @param identifier the identifier to set
+	 */
+	public void setIdentifier(String identifier) {
+		this.identifier = identifier;
+	}
+
+	/**
+	 * @param creationTime the creationTime to set
+	 */
+	public void setCreationTime(Instant creationTime) {
+		this.creationTime = creationTime;
+	}
+
+	/**
+	 * @param releaseTime the releaseTime to set
+	 */
+	public void setReleaseTime(Instant releaseTime) {
+		this.releaseTime = releaseTime;
+	}
+
+	/**
+	 * @param completionTime the completionTime to set
+	 */
+	public void setCompletionTime(Instant completionTime) {
+		this.completionTime = completionTime;
+	}
+
+	/**
+	 * @param deletionTime the deletionTime to set
+	 */
+	public void setDeletionTime(Instant deletionTime) {
+		this.deletionTime = deletionTime;
+	}
+
+	/**
+	 * @param orderState the orderState to set
+	 */
+	public void setOrderState(OrderState orderState) {
+		this.orderState = orderState;
+	}
+
+	/**
+	 * @param productType the productType to set
+	 */
+	public void setProductTypes(Set<String> productTypes) {
+		this.productTypes = productTypes;
+	}
+
+}
diff --git a/model/src/main/java/de/dlr/proseo/model/dao/ProcessingOrderHistoryRepository.java b/model/src/main/java/de/dlr/proseo/model/dao/ProcessingOrderHistoryRepository.java
new file mode 100644
index 000000000..aa6ed772f
--- /dev/null
+++ b/model/src/main/java/de/dlr/proseo/model/dao/ProcessingOrderHistoryRepository.java
@@ -0,0 +1,34 @@
+/**
+ * ProcessingOrderHistoryRepository.java
+ * 
+ * (C) 2024 Dr. Bassler & Co. Managementberatung GmbH
+ */
+package de.dlr.proseo.model.dao;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.stereotype.Repository;
+import org.springframework.transaction.annotation.Transactional;
+
+import de.dlr.proseo.model.ProcessingOrderHistory;
+/**
+ * Data Access Object for the ProcessingOrderHistory class
+ * 
+ * @author Ernst Melchinger
+ *
+ */
+@Transactional
+@Repository
+public interface ProcessingOrderHistoryRepository extends JpaRepository<ProcessingOrderHistory, Long> {
+
+	/**
+	 * Get the processing order history with the given mission code and identifier
+	 * 
+	 * @param missionCode the mission code of the processing order
+	 * @param identifier  the identifier of the processing order
+	 * @return the unique processing order history identified by the given identifier
+	 */
+	@Query("select po from ProcessingOrderHistory po where po.missionCode = ?1 and po.identifier = ?2")
+	public ProcessingOrderHistory findByMissionCodeAndIdentifier(String missionCode, String identifier);
+
+}