What is the common examiner trap about Intl. Relations in UPSC exams?

They will try to trick you by asking which country's vessels account for the largest share of dark transits, expecting the answer to be Iran (due to sanctions), but the correct answer is the UAE (~27%). Another trap is to confuse the percentages for India's imports (e.g., swapping oil and LNG figures).

What should UPSC aspirants remember about Intl. Relations for Prelims?

1. Target this Data: 57% of Strait of Hormuz transits went dark between March 1 and late May 2026. 2. Target this Nodal Body: International Maritime Organization (IMO) - sets AIS guidelines. 3. Target this Legal Point: IMO guidelines state AIS should always be on unless the master decides it's a security threat.

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57% of Strait of Hormuz Tanker Transits Went 'Dark' in March-May 2026, Threatening Global Energy Security

Q: Which international organization sets the guidelines for the use of the Automatic Identification System (AIS) on ships?

International Maritime Organization (IMO), The article explicitly mentions that according to International Maritime Organization (IMO) guidelines, AIS should always be in operation when a ship is sailing or at anchor. The IMO is the UN agency responsible for the safety and security of shipping.

Q: Consider the following statements regarding 'dark shipping' in the Strait of Hormuz: 1. It refers to the practice of ships switching off their AIS transponders to avoid detection. 2. As per the article, this practice was initially limited to vessels transporting sanctioned Iranian oil but has now broadened to include non-Iranian operators. 3. According to Vortexa data cited, dark transits through the Strait of Hormuz represented 57% of all transits recorded between March 1 and late May 2026. Which of the statements given above is/are correct?

All three, Statement 1 is correct as the article defines 'going dark' as switching off AIS transponders. Statement 2 is correct as the article states the practice broadened from Iran-linked tonnage to non-Iranian operators. Statement 3 is directly supported by the Vortexa data mentioned: 'dark transits through the Strait of Hormuz — between March 1 and late May — represent 57% of all transits recorded over the period.'

Q: According to the article, what percentage of India's Liquefied Petroleum Gas (LPG) imports transits through the Strait of Hormuz?

90%, The article clearly states: 'India depended heavily on the Strait of Hormuz for its energy imports, with over 40% of its oil imports, 60% of its LNG imports, and 90% of its liquefied petroleum gas (LPG) imports coming through the narrow passage...' The other options are distractors using the figures for oil (40%) and LNG (60%).

Q: What is the primary reason, as per the article's analysis, for the recent surge in non-Iranian tankers going 'dark' while transiting the Strait of Hormuz?

As a wider commercial response to conflict risk and operational uncertainty., The article quotes Claire Jungman of Vortexa stating that AIS-off movements 'have become a wider commercial response to conflict risk, operational uncertainty, and the need to keep Gulf cargo moving.' While sanctions evasion was the initial driver for Iranian vessels, the surge among non-Iranian operators is attributed to these broader commercial and security concerns in a conflict zone.

Intl. Relations Economy Security & DefenceHIGH

Target:UPSC GS-IIMPSCTeachingSSC GAPrelims HighMains High

05 Jun 2026

~2 min

Source: Indian Express

Key Data:57% dark transits (Mar-May 2026)40% of India's oil imports via Hormuz60% of India's LNG imports via Hormuz90% of India's LPG imports via Hormuz65.2% dark outbound laden vessels (May 2026)27% UAE-linked vessels' dark share

Bodies:IMO

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~2 min · Quick mode

What This Article Covers

1.The 'dark shipping' practice of switching off AIS transponders has surged in the Strait of Hormuz, with 57% of all transits going dark between March 1 and late May 2026.

2.India's energy security is heavily impacted, as over 40% of its oil, 60% of LNG, and 90% of LPG imports transit this narrow chokepoint.

3.Non-Iranian operators from the UAE, Qatar, and Saudi Arabia now dominate dark transits (67% in May), indicating this has become an accepted commercial protocol, not just a sanctions-evasion tactic.

The Big Picture

Prelims · HighMains · High

The conflict in West Asia has forced a dramatic shift in global energy shipping practices, with over half of all tankers now turning off tracking systems to navigate the Strait of Hormuz. This 'dark shipping' tactic, once limited to sanctioned vessels, is now a mainstream commercial response to conflict risk, creating major safety and energy security challenges.

Exam Lens

Quick Exam Facts From News

Dark Transits (Mar-May 2026)57% of all Strait of Hormuz transits

India's Oil Imports via HormuzOver 40%

India's LNG Imports via Hormuz60%

India's LPG Imports via Hormuz90%

UAE-linked Vessels' Dark ShareLargest at ~27%

Dark Outbound Laden Vessels (May)65.2%

1-Minute Revision

›Dark Transits (Mar-May 2026): 57% of all Strait of Hormuz transits
›India's Oil Imports via Hormuz: Over 40%
›Target this Data: 57% of Strait of Hormuz transits went dark between March 1 and late May 2026.
›Target this Nodal Body: International Maritime Organization (IMO) - sets AIS guidelines.
›Target this Legal Point: IMO guidelines state AIS should always be on unless the master decides it's a security threat.

Mastered this topic? Test your knowledge with a full MCQ quiz.

Practice exam-style questions, track your score, and strengthen your recall.

News Snapshot

⚫

Dark Shipping Normalized

Switching off AIS trackers is now an accepted commercial protocol for non-sanctioned Gulf tankers, not just a sanctions-evasion tactic.

⛽

India's Critical Vulnerability

India's energy imports are highly concentrated, with 90% of LPG, 60% of LNG, and over 40% of oil passing through the contested Strait of Hormuz.

⚖️

IMO vs. Security

While IMO guidelines mandate AIS for safety, ship masters are disabling it citing security threats, creating a major risk of collisions in crowded waterways.

Detailed Analysis & Strategic Depth

Context / Background

The Strait of Hormuz is a critical global energy chokepoint, handling a fifth of global oil and LNG flows before the conflict. The practice of 'going dark' originated with 'shadow fleets' transporting sanctioned Iranian and Russian oil. However, the Iran war that began on February 28, 2026, has constricted traffic and escalated threats, transforming this niche tactic into a mainstream necessity for commercial operators to keep Gulf cargo moving.

Core Analysis & Implications

The shift is profound. Data from Vortexa shows dark transits rose from 58.5% in March to 65.2% in May, with non-Iranian operators (UAE, Qatar, Saudi Arabia) now dominating the activity (67% in May). This creates a 'low-visibility operating environment' with degraded transparency and increased collision risks. For India, this means heightened uncertainty in refinery supply, product availability, and demand assessment, as the reduced visibility now extends to clean products (25% share), LPG (14%), and even LNG tankers, which previously avoided such activity.

Future Outlook / Way Forward

The trend suggests the export system is adapting, not stopping. With Gulf nations heavily dependent on energy revenue, pressure to maintain exports will keep dark operations prevalent. This forces a strategic dilemma for global governance: balancing maritime safety (IMO's AIS mandate) with commercial and security realities. Future developments may involve enhanced naval escorts, alternative routing exploration, or diplomatic efforts to de-escalate regional tensions and restore normal transit protocols.

Key Facts at a Glance

Dark Transits (Mar-May 2026)57% of all Strait of Hormuz transits

India's Oil Imports via HormuzOver 40%

India's LNG Imports via Hormuz60%

India's LPG Imports via Hormuz90%

UAE-linked Vessels' Dark ShareLargest at ~27%

Dark Outbound Laden Vessels (May)65.2%

You've read the full analysis. Now test your understanding.

Practice exam-style questions based on this article.

Q1Static LinkageEasyUPSC, SSC, Banking

Which international organization sets the guidelines for the use of the Automatic Identification System (AIS) on ships?

Q2Statement-basedHardUPSC, SSC

Consider the following statements regarding 'dark shipping' in the Strait of Hormuz:

1. It refers to the practice of ships switching off their AIS transponders to avoid detection.

2. As per the article, this practice was initially limited to vessels transporting sanctioned Iranian oil but has now broadened to include non-Iranian operators.

3. According to Vortexa data cited, dark transits through the Strait of Hormuz represented 57% of all transits recorded between March 1 and late May 2026.

Which of the statements given above is/are correct?

Q3Data-centricMediumUPSC, SSC, Banking

According to the article, what percentage of India's Liquefied Petroleum Gas (LPG) imports transits through the Strait of Hormuz?

Q4Application/ImpactMediumUPSC, Banking

What is the primary reason, as per the article's analysis, for the recent surge in non-Iranian tankers going 'dark' while transiting the Strait of Hormuz?

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57% of Strait of Hormuz Tanker Transits Went 'Dark' in March-May 2026, Threatening Global Energy Security

Exam Lens

Quick Exam Facts From News

1-Minute Revision

News Snapshot

Dark Shipping Normalized

India's Critical Vulnerability

IMO vs. Security

Detailed Analysis & Strategic Depth

Context / Background

Core Analysis & Implications

Future Outlook / Way Forward

Prelims Flashpoints

Key Facts at a Glance