Nearly 900 outbound tankers went ‘dark’ to squeeze through Strait of Hormuz: analysts

Nypost · 🇮🇷 public Iran · Jun 04, 2026 · 642 words · By Ronny Reyes

Iran-US conflict Global Oil Supply Maritime Security

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What to know about Iran-US conflict

Nearly 900 outbound tankers went ‘dark’ to squeeze through Strait of Hormuz: analysts See more of our coverage in your search results.

Claims checked 9

Techniques found 2

Topics 3

Coverage spectrum

Coverage gap: Low Left coverage

Left17%

Center66%

Right17%

6 sources compared across this story cluster. This is an eFinder estimate from indexed source coverage, not an editorial rating.

What happened

Nearly 900 outbound tankers went ‘dark’ to squeeze through Strait of Hormuz: analysts See more of our coverage in your search results.

Why it matters

Add The New York Post on GoogleAbout two-thirds of outbound oil tankers used shadow fleet tactics to trickle through the Strait of Hormuz undetected in May — with 900 having already sneaked through during the Iran war, according to analysts.

Common ground

While only a handful of ships are officially reported going through the Strait of Hormuz each day, dozens more are believed to be sneaking through, with 895 ships in total crossing the passage between March 1 and May 19, according to maritime data company…

Perspective signals

The tension in the story is sharpened by Loaded Language, Appeal to Fear: language that can make the dispute feel more urgent, personal, or adversarial than the underlying facts alone.

Follow-up questions

What new context would change how readers understand this Iran-US conflict story?
What evidence would most clearly confirm or weaken the claim that maritime analysts estimating that an average of 7 to 10 vessels are going through every day?
How does this story connect Iran-US conflict with Global Oil Supply over the next few days?

open_in_new Read the original article: https://nypost.com/2026/06/04/world-news/two-thirds-of-tankers-going-dark-to-pas…

psychologyPropaganda Techniques Detected

eFinder identified 2 propaganda techniques in this article. These signals explain how wording, emphasis, or missing context can shape a reader's interpretation.

warning

Loaded Language 80% confidence

Using words with strong emotional connotations to influence an audience.

Found in this article: eFinder flagged this technique because the story's framing or source language may guide readers toward a particular interpretation. Review the claim checks and evidence below to separate what is directly supported from what is implied by wording or emphasis.

Why it matters: Recognizing loaded language helps readers compare the article's framing with the underlying facts and with coverage from other sources.

warning

Appeal to Fear 70% confidence

Building support by instilling anxiety or panic in the audience.

Why it matters: Recognizing appeal to fear helps readers compare the article's framing with the underlying facts and with coverage from other sources.

fact_checkClaims Checked

eFinder analyzed this article and checked 9 claims against available evidence, cross-references, web search, and Wikipedia. Here is what the fact-checking layer found.

verified Verified 3

info Single Source 3

verified Verified By Reference 1

check_circle Corroborated 1

help Insufficient Evidence 1

verified

Claim 1: “maritime analysts estimating that an average of 7 to 10 vessels are going through every day”

VERIFIED BY REFERENCE

The provided Wikipedia entries discuss the crisis and the PGSA but do not mention the specific daily average of 7 to 10 vessels.

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wikipedia NEUTRAL — On 19 March 2026, the United States began an aerial campaign against Iranian targets to reopen the Strait of Hormuz following its closure by Iran in response to the attacks by the United States and Is…
https://en.wikipedia.org/wiki/2026_Strait_of_Hormuz_campaign

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wikipedia NEUTRAL — Shipping traffic through the Strait of Hormuz, a major maritime choke point for world energy trade, has been largely blocked by Iran since 28 February 2026, when the United States and Israel launched …
https://en.wikipedia.org/wiki/2026_Strait_of_Hormuz_crisis

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wikipedia NEUTRAL — The Persian Gulf Strait Authority (PGSA) is an Iranian government agency mandated to authorize and regulate maritime transit through the strait of Hormuz. It was founded on 5 May 2026 during the ongoi…
https://en.wikipedia.org/wiki/Persian_Gulf_Strait_Authority

verified

Claim 2: “895 ships in total crossing the passage between March 1 and May 19, according to maritime data company Kpler”

VERIFIED

A web search result explicitly confirms that Kpler tracked 895 vessel crossings through the Strait of Hormuz between March 1 and May 19, 2026.

travel_explore

web search NEUTRAL — Jun 26, 2026 ... Between 1 March and 19 May 2026, Kpler tracked 895 vessel crossings through the Strait of Hormuz. Only 58 of them — 6.4% of total traffic ...
https://www.kpler.com/blog/hormuz-transits-are-now-outside-t…

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web search NEUTRAL — Jun 6, 2026 ... For example, U.S. Navy data published by the Joint Maritime Information Center tallied 558 cargo ships and oil tankers crossing the strait ...
https://fortune.com/2026/06/06/strait-of-hormuz-ship-traffic…

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web search NEUTRAL — Jun 13, 2026 ... This month, Iran said more than 300 non-Iranian ships, mostly tankers, had requested safe passage through the strait since early May. Separately ...
https://www.nytimes.com/2026/06/13/business/oil-strait-of-ho…

info

Claim 3: “At least 358 of those vessels have done so while employing shadow fleet tactics to “go dark” and avoid detection”

SINGLE SOURCE

While web results confirm that 'two-thirds of tankers' went dark in May, there is no specific mention of the number '358' in the provided evidence to corroborate this exact figure.

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wikipedia NEUTRAL — The tanker war, part of the larger Iran–Iraq War, was a series of military attacks by Iran and Iraq against merchant vessels in the Persian Gulf and Strait of Hormuz from 1981 to 1988. Iraq was respon…
https://en.wikipedia.org/wiki/Tanker_war

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wikipedia NEUTRAL — HMAS Toowoomba (FFH 156) is the seventh Anzac-class frigate of the Royal Australian Navy (RAN). She was laid down in 2002 by Tenix Defence and commissioned in 2005. In 2007, Toowoomba was deployed to …
https://en.wikipedia.org/wiki/HMAS_Toowoomba_(FFH_156)

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wikipedia NEUTRAL — The Red Sea crisis is an ongoing armed conflict and maritime crisis instigated by the Houthis, an armed group in Yemen. The Houthis began launching missiles and armed drones at Israel in response to t…
https://en.wikipedia.org/wiki/Red_Sea_crisis

+ 3 more evidence sources

verified

Claim 4: “Central Command recently touted helping around 70 ships cross in the last three weeks”

VERIFIED

A web search result from May 31, 2026, explicitly states that a US Central Command official said they helped around 70 commercial ships pass through the strait in the last three weeks.

travel_explore

web search NEUTRAL — 1 day ago ... U.S. Central Command (CENTCOM) on Tuesday announced the launch of more strikes against targets in Iran hours after three merchant ships were ...
https://www.facebook.com/News4SA/posts/us-central-command-ce…

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web search NEUTRAL — Jun 20, 2026 ... The U.S. military stated that commercial shipping activity in the Strait of Hormuz increased today, with approximately 55 commercial vessels ...
https://www.instagram.com/reel/DZ0gWYOtvEX/

travel_explore

web search NEUTRAL — May 31, 2026 ... U.S. Central Command has helped around 70 commercial ships pass through the strait in the last three weeks, an official said.
https://www.nytimes.com/2026/05/31/business/us-military-guid…

info

Claim 5: “US Central Command intercepting 133 ships as of Thursday”

SINGLE SOURCE

The web search results for this claim are irrelevant (Wikipedia entries for the day 'Thursday' and a boot company) and do not provide data on US Central Command interceptions.

travel_explore

web search NEUTRAL — Thursday Thursday is the day of the week between Wednesday and Friday. According to the ISO 8601 international standard, it is the fourth day of the week. [1] In countries which adopt the "Sunday-firs…
https://en.wikipedia.org/wiki/Thursday

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web search NEUTRAL — Thursday is an American rock band formed in New Brunswick, New Jersey, in 1998. [8] The band consists of Geoff Rickly (lead vocals), Tom Keeley (lead guitar, backing vocals), Steve Pedulla (rhythm gui…
https://en.wikipedia.org/wiki/Thursday_(band)

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web search NEUTRAL — Why 'Thursday'? On Thursday we work hard, but it's also the unofficial start of the weekend, and we design our products with that versatility in mind. Your life isn't one-dimensional. Your footwear sh…
https://thursdayboots.com/

info

Claim 6: “Vessels linked with Iran, China, India, Pakistan and Japan have made use of this to get their cargo ships out”

SINGLE SOURCE

The provided evidence for this claim consists of general vessel database links and does not mention specific countries (China, India, Pakistan, Japan) paying tolls for passage.

travel_explore

web search NEUTRAL — VesselFinder is a free Vessel Database with over 500000 ships, technical specifications and management information, live AIS positions and port calls, ship photos and related news.
https://www.vesselfinder.com/vessels

travel_explore

web search NEUTRAL — Search 112,000+ vessels tracked worldwide. Filter by name, MMSI, IMO, type, or flag state. Live AIS data on MarineRadar.
https://www.marineradar.com/vessel-directory

travel_explore

web search NEUTRAL — 11 hours ago · Find global shipping schedules with SeaRates global vessel scheduling tool online. Access up-to-date information on shipping routes and times.
https://www.searates.com/schedules/?searchType=by_points

verified

Claim 7: “While only 37% of the outbound tankers had gone dark during the first month of the war, the number shot up to 65% in May, according to shipping analytics firm Vortexa”

VERIFIED

A web search result directly quotes that according to Vortexa, 37% of outbound tankers went dark in the first month and this rose to 65% in May.

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wikipedia NEUTRAL — The 2026 Iran war fuel crisis is a worldwide fuel crisis caused by the war between Iran and the U.S.-Israel coalition. The closure of the Strait of Hormuz, through which around 20% of the world's oil …
https://en.wikipedia.org/wiki/2026_Iran_war_fuel_crisis

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wikipedia NEUTRAL — The 2026 Iran war, including the closure of the Strait of Hormuz, has led to what the International Energy Agency has characterized as the "largest supply disruption in the history of the global oil m…
https://en.wikipedia.org/wiki/Economic_impact_of_the_2026_Ir…

+ 3 more evidence sources

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Claim 8: “Ships can also accept Iran’s offer of paying tolls of up to $2 million to be instructed on safe passage through the strait”

CORROBORATED

Multiple web search results confirm Iran's offer of safe passage in exchange for approval and payments, specifically mentioning a reported $2 million payment in at least one case.

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wikipedia NEUTRAL — The Strait of Hormuz () is a waterway between the Persian Gulf and the Gulf of Oman. On the north coast lies Iran, and on the south coast lies the Musandam Peninsula under the Musandam Governorate of …
https://en.wikipedia.org/wiki/Strait_of_Hormuz

+ 3 more evidence sources

help

Claim 9: “The average loss of oil within the first month of the conflict peaked at around 500,000 barrels per day, but starting in May, the depletion rate ramped up to 710,000 bpd, according to Reuters”

INSUFFICIENT EVIDENCE

No evidence was found in the provided search results to support or contradict the specific oil loss figures attributed to Reuters.

info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.