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Strait of Hormuz & Persian Gulf — Maritime Status

Critical

Aggregated from gCaptain, Splash247, SAFETY4SEA, Maritime Executive, Marine Insight, Hellenic Shipping News, Offshore Energy, OilPrice, Rigzone, Al Jazeera, Middle East Eye & BBC · synced Jun 27, 2026, 10:04 PM · auto-refresh every 15 min

Last updated: Jun 27, 2026, 10:04 PM

Tensions remain critical in the region following multiple tanker attacks and retaliatory strikes. A tanker was reportedly struck by a drone off Oman, prompting new U.S. strikes [2]. This follows an earlier report of a second tanker being struck in the Strait of Hormuz, deepening the U.S.-Iran shipping crisis [6], which led to navies raising the threat level to ships [7]. The U.S. has conducted counterstrikes on Iran in retaliation for attacks on cargo ships and missile and drone storage facilities [2][15][16][19]. Simultaneously, Gulf countries strongly condemned Iran's drone attack on Bahrain, further escalating regional tensions [4].

Tankers & shipping lanes
A tanker was struck by a drone off Oman, leading to U.S. retaliatory strikes [2]. This incident follows reports of a second tanker being struck in the Strait of Hormuz, which has deepened the U.S.-Iran shipping crisis [6] and caused navies to raise the threat level to ships [7]. Earlier, a tanker was struck in Hormuz [7]. The IMO Chief has stated that shipping must not be used as collateral in the U.S.-Iran conflict [9]. Despite these attacks, Saudi Arabia is reportedly ramping up oil exports as Gulf ports restart operations [8]. Vitol has successfully sailed a stranded aluminum cargo out of the Strait of Hormuz [10]. Oman has indicated that the Strait of Hormuz is unlikely to return to its pre-war status and signals possible transit fees for ships [13]. Twenty-two U.S.-interdicted Iranian tanker crew members have arrived in Pakistan for repatriation [14]. Iran has reasserted control over Hormuz after a ship attack near Oman and warned Gulf states against backing the U.S. [17]. The Strait of Hormuz remains a critical chokepoint, with an assessment indicating it's "Not So Fast" regarding a full return to normal operations [18]. Crude oil prices are falling due to surging Hormuz shipments [23].
Seafarer safety & detentions
The IMO Chief has emphasized that shipping must not be used as collateral, implying a concern for seafarer safety in the U.S.-Iran conflict [9]. Twenty-two Iranian tanker crew members interdicted by the U.S. have arrived in Pakistan for repatriation [14].
Oil, gas & energy prices
Saudi Arabia is increasing oil exports as Gulf ports restart [8]. Crude oil prices are reportedly falling due to surging shipments through Hormuz [23]. The Hellenic Shipping News has also outlined risks and opportunities in TTF gas and Brent crude markets as the Hormuz Strait reopens [21].
Geopolitics & military activity
The U.S. has responded with new strikes after a tanker was hit by a drone off Oman [2]. These actions follow U.S. strikes against Iran's missile and drone storage facilities after an attack on a cargo ship in the Strait of Hormuz [15][16][19]. Gulf countries have strongly condemned Iran's drone attack on Bahrain, indicating rising tensions that threaten existing agreements [4]. Hezbollah has rejected a new Israel-Lebanon agreement [5] and has condemned a new deal after Israel struck southern Lebanon [1]. Iran has urged FIFA to address what it calls 'really terrible' World Cup treatment by the U.S. [3]. Trump has blamed Iran for a 'foolish violation' of a ceasefire agreement over a ship attack in the Strait of Hormuz [12]. The U.S. may consider moving Gulf military bases westward, potentially to Israel, if they continue to be hit by Iran [11]. Iran has reasserted control over Hormuz following a ship attack and warned Gulf states against supporting the U.S. [17]. There is a framework deal between Israel and Lebanon, though experts warn Iran may try to sabotage it [20].

Sources used in this brief — citations [n] above map to the numbers below

  1. 1BBC MEIsrael strikes southern Lebanon as Hezbollah condemns new deal· Jun 27
  2. 2Maritime ExecutiveTanker Struck by Drone off Oman and the US Again Responds with New Strkes· Jun 27
  3. 3Al JazeeraIran urge FIFA to stand up to ‘really terrible’ World Cup treatment by US· Jun 27
  4. 4Fox WorldGulf countries strongly condemn Iran's drone attack on Bahrain as rising tensions threaten MOU· Jun 27
  5. 5Al JazeeraHezbollah rejects Israel-Lebanon agreement as Israeli attacks hit south· Jun 27
  6. 6gCaptainSecond Tanker Struck in Strait of Hormuz as U.S.-Iran Shipping Crisis Deepens· Jun 27
  7. 7gCaptainTanker Struck In Hormuz As Navies Raise Threat Level To Ships· Jun 27
  8. 8gCaptainSaudi Arabia Is Ramping Up Oil Exports As Gulf Ports Restart· Jun 27
  9. 9Marine InsightShipping Must Not Be Used As Collateral In U.S-Iran War, Says IMO Chief· Jun 27
  10. 10gCaptainVitol Sails Stranded Aluminum Cargo Out Of Strait Of Hormuz· Jun 27
  11. 11Marine InsightU.S May Move Gulf Military Bases Hit By Iran Westward, Possibly To Israel· Jun 27
  12. 12Marine InsightTrump Blames Iran For ‘Foolish Violation’ Of Ceasefire Agreement Over Ship Attack In Strait Of Hormuz· Jun 27
  13. 13Marine InsightOman Says Strait Of Hormuz Unlikely To Return To Pre-War Status, Signals Possible Transit Fees For Ships· Jun 27
  14. 14Marine Insight22 US-Interdicted Iranian Tanker Crew Members Arrive In Pakistan For Repatriation· Jun 27
  15. 15BBC MEUS strikes Iran after attack on cargo ship· Jun 27
  16. 16Marine InsightUS Strikes Iranian Missile And Drone Storage Facilities After Attack On Cargo Ship In Strait Of Hormuz· Jun 27
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Top flag administrations — fleet & certification snapshot

Approximate global ranking by gross tonnage with each flag's seafarer certification route. Figures are indicative — see each registry for the latest official statistics.

Refreshed daily 10:00 GMT
#FlagShipsGross tonnageCertification requirementsOfficial link
1Panama 🇵🇦~8,500~240 M GTPanama CoC or Certificate of Endorsement (CoE) issued by AMP after STCW course verification, sea-service evidence, medical fitness (PMA-approved) and yellow-fever / ENG1-equivalent. Recognises CoCs from 80+ STCW White-List flags.Open
2Liberia 🇱🇷~5,500~280 M GTLiberian CoC / CoE through LISCR — STCW-2010 compliant training, sea-service letters, medical (LISCR-approved doctor), oral assessment for Master/Chief Engineer. Recognises CoCs from STCW-compliant administrations.Open
3Marshall Islands 🇲🇭~5,200~270 M GTRMI CoC or CoE issued by IRI — STCW certificates, sea service, RMI-approved medical, oral exam for senior officers. Wide recognition of CoCs from White-List flag administrations.Open
4Hong Kong 🇭🇰~2,500~130 M GTHK CoC / CoP issued by Marine Department — IMO model-course aligned MET, structured sea-service, oral exam, HK-approved medical (MD/Form 53). Foreign CoC endorsement also available.Open
5Singapore 🇸🇬~4,500~100 M GTSingapore CoC / CoP via MPA — STCW courses at MPA-approved MET institutes, sea service, oral exam, MPA-approved medical. CoC endorsement for foreign CoCs from recognised STCW parties.Open
6Malta 🇲🇹~2,100~115 M GTMalta CoC / Certificate of Recognition (CoR) under Transport Malta — STCW evidence, sea service, ENG1-equivalent medical. Largest EU register; recognises EU and most White-List CoCs.Open
7Bahamas 🇧🇸~1,400~75 M GTBahamas CoC / CoE via BMA — STCW certificates, sea-service testimonials, BMA-approved medical (ML5), oral assessment for senior officers. Recognises CoCs from STCW White-List flags.Open
8United Kingdom 🇬🇧~1,300~20 M GTMCA CoC — Officer of the Watch / Chief Mate / Master via UK approved training providers, structured Training Record Book, sea service, ENG1 medical and MCA oral exam. CEC available for non-UK CoC holders.Open

Sources: Panama Ship Registry, LISCR, IRI (Marshall Islands), Hong Kong Marine Department, MPA Singapore, Transport Malta, Bahamas Maritime Authority, UK MCA, UNCTAD Review of Maritime Transport, and Clarksons World Fleet Register.

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