Tanker Attacks Spread Beyond Hormuz; Two Seafarers Missing After Drone Strike off Oman

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A drone struck the product tanker Petro Dolphin at Sohar Anchorage off Oman on October 11, leaving two Indian seafarers missing and nine others rescued, while separate attacks hit tankers inside the Strait of Hormuz and farther west in UAE waters. UK Maritime Trade Operations reclassified the Sohar incident as an attack after confirming that the tanker had been hit by an uncrewed aerial vehicle. The Panama-flagged VLCC Gem No.2, fully laden with crude, was struck about 13 nautical miles west of Al Jazeera in the UAE on October 9, while the Marshall Islands-flagged tanker Valthera was hit by an unidentified projectile during an outbound Hormuz transit on October 11. The geographic spread matters because Sohar, Fujairah and surrounding Gulf of Oman waters have become central to the ship-to-ship transfer and shuttle-tanker network used to keep Gulf oil moving during the Hormuz disruption.

Gulf Maritime Security · October 12, 2026

The Attack Zone Has Moved Beyond the Strait

Tanker risk is no longer concentrated only inside Hormuz. Recent strikes have reached an Omani anchorage used by regional shipping and a UAE anchorage inside the Gulf, while attacks continue inside the chokepoint itself.

DRONE STRIKE Sohar Anchorage · Oman PETRO DOLPHIN Product tanker · October 11 2 MISSING
UKMTO confirmed the tanker was struck by an uncrewed aerial vehicle. Nine of 11 Indian seafarers were rescued; Omani authorities continue searching for two missing crew.
PROJECTILE STRIKE Strait of Hormuz VALTHERA Marshall Islands flag · October 11 FIRE
The outbound tanker was struck on its port side by an unidentified projectile. All 11 Indian crewmembers were reported safe.
VLCC STRIKE Off Al Jazeera · UAE GEM NO.2 302,783-dwt VLCC · October 9 FULLY LADEN
The Panama-flagged crude supertanker was struck about 13 nautical miles west of Al Jazeera. Its onboard fire was extinguished.
Why Sohar Matters More Than the Size of the Tanker
Step 1 Load Inside Gulf
Shuttle tankers lift crude from Saudi, Iraqi, Kuwaiti and other Gulf terminals.
Step 2 Cross Hormuz
Cargoes move through the high-risk chokepoint, frequently using unusual routing or reduced AIS visibility.
Step 3 Reach Gulf of Oman
The ship reaches waters previously used as the release valve for the disruption.
Step 4 STS Near Sohar / Fujairah
Cargo transfers to another tanker for the long-haul voyage to the final buyer.
New Problem Anchorages Now Exposed
The Petro Dolphin strike demonstrates that reaching the Gulf of Oman no longer necessarily means leaving the attack zone.
GoO STS · 2025 0.16M b/d
Pre-crisis liquids ship-to-ship activity.
Since War Began 3.7M b/d
Average Gulf of Oman liquids STS activity.
Late September 7.2M b/d
Record STS pace reported by Kpler.
Current Hormuz Crude ~10.5M b/d
Latest weekly flow estimate reported October 12.
Pre-War Comparison -38%
Latest Hormuz oil flow remains well below the pre-war level.
Attribution: UKMTO has confirmed the physical attacks but has not publicly attributed the Petro Dolphin, Valthera or Gem No.2 strikes to a specific actor. Individual claims involving other vessels should not be treated as attribution for these three incidents.
Oman · Hormuz · UAE · STS · Crew Risk · Oil Flows

Gulf Tanker Threat Board · October 12

The latest incidents show three different exposure types at once: a tanker attacked while anchored, a tanker struck during a Hormuz transit, and a fully laden VLCC hit while sitting off the UAE coast.

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Event / System Latest Status Location & Exposure Physical / Crew Outcome Why It Matters Operationally Still Unresolved
PETRO DOLPHIN 2 MISSING Drone Attack Sohar Anchorage, Oman, outside the main Strait of Hormuz transit lane and approximately 9.6 NM northeast of Sohar port. Nine Indian seafarers rescued. Two remain missing. NAVAREA reporting said the vessel was on fire and drifting. An anchored tanker was attacked at one of the key Gulf of Oman support locations rather than while passing through the chokepoint. Final condition of the tanker, pollution consequences and fate of the missing seafarers.
VALTHERA CREW SAFE Projectile Strike Outbound transit inside the Strait of Hormuz on October 11. Projectile struck the port side and damaged the vessel. All 11 Indian crewmembers reported safe; no environmental impact initially reported. Demonstrates that the original Hormuz transit threat remains active even as attacks spread outside the strait. UKMTO has not publicly attributed the attack or identified the projectile type.
GEM NO.2 VLCC HIT Fully Laden Approximately 13 NM west of Al Jazeera, UAE, at anchor outside the main Hormuz area. Unknown projectile caused a fire that was extinguished. Indian authorities subsequently reported all 22 Indian crewmembers safe. The vessel is a 302,783-dwt two-million-barrel-class VLCC, demonstrating that large loaded crude assets outside the strait are also exposed. Damage extent and final cargo / operational disposition.
Sohar + Fujairah STS Network CRITICAL WORKAROUND Near Capacity Gulf of Oman waters outside the Strait, where shuttle tankers transfer crude to long-haul vessels. No network shutdown has been announced, but Sohar is now directly inside the demonstrated attack geography. Kpler says shore-side support around Sohar and Fujairah had already reached or approached practical capacity before the latest attack. Whether owners move more transfer operations toward West Coast India or Malaysia.
Gulf of Oman STS SURGED 7.2M b/d Peak Pace Alternative transfer zone used to keep oil moving after Hormuz operations became constrained. Kpler reported liquids STS at only 0.16M b/d in 2025, 3.7M b/d since the war began and 7.2M b/d in late September. A large share of the crisis logistics solution now depends on precisely the waters where the Petro Dolphin attack occurred. How much STS activity relocates following the latest attack.
Hormuz Oil Flow DOWN AGAIN ~10.5M b/d Strait flows deteriorated again late last week as tanker attacks accelerated. Latest reporting puts weekly oil flow about 38% below the pre-war level. Lower direct Hormuz throughput increases dependence on alternative terminals, pipelines, STS zones and longer tanker routings. Whether attacks outside the strait undermine the very network compensating for reduced Hormuz traffic.
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The Security Problem Has Changed Shape
Transit Risk

Ships remain exposed while physically crossing Hormuz, as the Valthera strike demonstrates.

Anchorage Risk

Petro Dolphin shows that a ship can be targeted while waiting at anchor rather than navigating the strait.

Loaded Asset Risk

Gem No.2 shows that fully laden VLCCs farther inside the Gulf are part of the expanding exposure zone.

Workaround Risk

Sohar and Fujairah are not peripheral locations. They are central pieces of the system keeping Gulf crude exports functioning.

Ship Universe STS Relocation Tool

What Happens If Gulf of Oman Transfers Move Farther East?

Model the vessel requirement created if crude currently handled around Sohar and Fujairah has to move to longer-distance ship-to-ship transfer locations off India or Malaysia.

M b/d
VLCCs
Default reflects Kpler's recent estimate for the shuttle fleet.
Gulf of Oman Requirement 25 VLCC-equivalent requirement using Kpler's 0.12M-b/d monthly capacity per shuttle vessel.
West Coast India Requirement 34 Vessel requirement at approximately 0.09M b/d of capacity per shuttle.
Malaysia Requirement 60 Vessel requirement at approximately 0.05M b/d of capacity per shuttle.
Gulf Round Trip 17 days Observed Gulf of Oman shuttle cycle used by Kpler.
India Round Trip 21 days Roughly four days longer than Gulf of Oman lightering.
Malaysia Round Trip 38.5 days More than twice the Gulf of Oman round-trip duration.
Gulf of Oman Sohar / Fujairah lightering
Round trip 17 days
Capacity / VLCC 0.12M b/d
Ships required 25
West Coast India Kutch / Mumbai lightering
Round trip 21 days
Capacity / VLCC 0.09M b/d
Ships required 34
Malaysia Pelepas / Linggi lightering
Round trip 38.5 days
Capacity / VLCC 0.05M b/d
Ships required 60
Shuttle Fleet Requirement
Moving the same daily crude volume farther from the Gulf reduces the monthly transport capacity of each VLCC and ties up more ships.
Gulf of Oman
25 VLCCs
West Coast India
34 VLCCs
Malaysia
60 VLCCs
Model note: Kpler's reference capacities are approximately 0.12M b/d per Gulf of Oman shuttle vessel, 0.09M b/d for West Coast India and 0.05M b/d for Malaysia. Results are rounded up to whole vessels. Kpler's own 3M-b/d scenarios use additional operational assumptions and therefore may differ slightly from this simplified calculator.
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