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Strait of Hormuz & Persian Gulf — Maritime Status
CalmAggregated from gCaptain, Splash247, SAFETY4SEA, Maritime Executive, Marine Insight, Hellenic Shipping News, Offshore Energy, OilPrice, Rigzone, Al Jazeera, Middle East Eye & BBC · synced Jun 18, 2026, 6:51 AM · auto-refresh every 15 min
The Strait of Hormuz has reopened for transit following a ceasefire agreement signed by the U.S. and Iran, leading to a slide in oil prices and a rally in stocks [1][2][3]. Despite the reopening, uncertainty remains regarding future transit fees [2]. The agreement aims to end the war between the two nations, though some core sticking points are reportedly unresolved [5][8].
- Tankers & shipping lanes
- The Strait of Hormuz has reopened following the U.S.-Iran ceasefire agreement, though future transit fees are uncertain [2]. Shipping activity in Hormuz was previously described as muted despite the Iran war accord [24]. Prior to the agreement, the UAE had expressed a desire to end its reliance on shipping through the Strait of Hormuz [15]. Additionally, Hormuz insurance costs were reported to deter clean tankers more than crude carriers [22]. There are reports of a 'barnacle boom' requiring divers to clean ships stranded in the Persian Gulf [17]. Eastern Pacific Shipping has announced a strategic exit from chemical tankers [16].
- Seafarer safety & detentions
- The provided headlines do not offer specific information on current seafarer safety or detentions in the region.
- Oil, gas & energy prices
- Oil prices have slid following the U.S. and Iran signing a ceasefire agreement and a framework to end the war [1][3]. Stocks have rallied as a result [3]. Optimism regarding peace in Iran was previously affected by the state of global oil inventories [13]. Aluminum prices have also fallen due to the US-Iran deal, though supply normalization is expected to take time [20]. TotalEnergies' CEO has stated that US LNG cannot replace Qatar for Europe [21]. G7 tankers are reportedly supporting high Russian crude exports despite US sanctions exemption [19].
- Geopolitics & military activity
- The U.S. and Iran have signed a ceasefire agreement and a Memorandum of Understanding (MoU) aiming to end the war, with the deal electronically signed by President Trump and Pezeshkian [1][5][7][10][12]. This agreement has drawn backlash from some Republicans [4], and Israeli Prime Minister Netanyahu is reportedly under pressure in Israel [6]. While the agreement aims to end the war, some core sticking points remain unresolved [8]. President Trump has also expressed that it is 'unfair' for Iran to lack ballistic missiles [11]. The full text of the U.S.-Iran deal is now available [18].
Sources used in this brief — citations [n] above map to the numbers below
- 1OilPriceOil Prices Slide After U.S. and Iran Sign Ceasefire Agreement· Jun 18
- 2Splash247Hormuz reopens under US-Iran deal amid uncertainty over future transit fees· Jun 18
- 3Al JazeeraOil prices fall, stocks rally as US, Iran sign framework to end war· Jun 18
- 4Al JazeeraTrump’s MoU with Iran draws backlash from some Republicans· Jun 18
- 5BBC MEUS and Iranian presidents sign deal aiming to end war· Jun 18
- 6Al JazeeraNetanyahu under pressure in Israel after US-Iran agreement· Jun 18
- 7Al JazeeraUS and Iran sign Memorandum of Understanding to end war· Jun 18
- 8BBC MEUS-Iran deal leaves core sticking points unresolved - and a $300bn question· Jun 18
- 9BBC MEWhat's in the US-Iran agreement?· Jun 18
- 10Al JazeeraIran war live: Pakistan says MoU in effect after Trump, Pezeshkian signing· Jun 18
- 11Al JazeeraTrump says it’s ‘unfair’ for Iran to lack ballistic missiles· Jun 17
- 12Al JazeeraDiplomat confirms that US and Iran have signed MoU electronically· Jun 17
- 13OilPriceState of Global Oil Inventories Ruins Iran Peace Optimism· Jun 17
- 14gCaptainTrump Signs Interim Iran Deal as Focus Shifts to Hormuz· Jun 17
- 15Maritime ExecutiveUAE Wants to End its Reliance on Shipping Through Strait of Hormuz· Jun 17
- 16Maritime ExecutiveEastern Pacific Shipping Announces Strategic Exit from Chemical Tankers· Jun 17
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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.
| # | Flag | Ships | Gross tonnage | Certification requirements | Official link |
|---|---|---|---|---|---|
| 1 | ~8,500 | ~240 M GT | Panama 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 | |
| 2 | ~5,500 | ~280 M GT | Liberian 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 | |
| 3 | ~5,200 | ~270 M GT | RMI 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 | |
| 4 | ~2,500 | ~130 M GT | HK 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 | |
| 5 | ~4,500 | ~100 M GT | Singapore 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 | |
| 6 | ~2,100 | ~115 M GT | Malta 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 | |
| 7 | ~1,400 | ~75 M GT | Bahamas 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 | |
| 8 | ~1,300 | ~20 M GT | MCA 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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