Del. Code tit. 23 § 136
Any pilot retained as pilot on a vessel inward bound to the Delaware Breakwater shall be allowed detention money at the rate of $100 for every 24 hours or any portion thereof that the pilot may have been retained, after the expiration of 24 hours from the time the anchor has been let go, off the Breakwater. If a vessel is eventually ordered to Philadelphia or other port on the Delaware Bay or River and the same pilot has been retained, the local charge for inward pilotage shall be 1 full inward pilotage and detention money as provided in this section. If the pilot is discharged at the Breakwater, and the same or another pilot afterward employed to pilot the vessel to Philadelphia or other port on the Delaware Bay or River, the total inward pilotage shall amount to 1 1/2 inward pilotage and detention money as provided in this section.
23 Del. C. § 136