Analysts Identified 15 Unreported Jones Act Voyages
Operators using maritime waivers lack mandatory reporting requirements, complicating transparency in domestic supply chains.
Updated on Sept. 22, 2026 in Transportation
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Analysis has identified 15 foreign-vessel voyages transporting domestic cargo that were not included in official public records. The Maritime Administration currently lacks the legal authority to compel operators to report these waiver-related movements.
Why it matters
The inability to track foreign-vessel movements creates a transparency gap for domestic logistics operators, as federal rules requiring reports within 10 days of voyage completion lack enforcement power. This discrepancy potentially masks the true volume of foreign tonnage competing in domestic markets.
Analysts identified 15 unreported voyages, including 14 tanker shipments with a combined capacity of approximately 5.2 million barrels. This data compares against 255 total movements officially tracked by the Maritime Administration as of September 16.
The players
Maritime Administration
An agency within the Department of Transportation that regulates maritime commerce and oversees Jones Act waiver authorizations.
The details
Researchers identified the unreported shipments by tracking vessel draft changes and port call data. While the Maritime Administration requires operators to submit a Vessel Availability Request before utilizing foreign tonnage, it currently has no legal mechanism to mandate reporting after a voyage is completed. This creates a reliance on voluntary compliance for the 10-day post-voyage filing deadline.
Timeline
March 17, 2026: Original Jones Act waiver issued.
May 22, 2026: Liberian-flagged LPG carrier arrived in Honolulu from Texas.
August 17, 2026: Second 90-day waiver extension took effect.
September 16, 2026: Maritime Administration published reporting data.
November 15, 2026: Current waiver period ends.
Market Landscape
The Jones Act restricts domestic cargo transport to U.S.-built and flagged vessels, with waivers serving as temporary exceptions for specific supply chain needs. The existence of these unreported voyages complicates the competitive monitoring of foreign-flagged tonnage within the U.S. market.
Operators reliant on coastal and domestic shipping should note that official maritime data may underrepresent active foreign tonnage. Businesses should anticipate potential volatility in capacity availability as the November 15 waiver expiration approaches.
The takeaway
The reporting gap highlights a significant blind spot in domestic maritime data that operators must account for when assessing market capacity. Review your logistics procurement strategy ahead of the November 15, 2026, waiver expiration date to mitigate risks associated with potential shifts in vessel availability.
What happens next
The current Jones Act waiver remains in effect until November 15, 2026.
Further reading
For more on how regulatory shifts impact logistics, see the Transportation section.
Source note: This article includes information reported by GCaptain.
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