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CENTCOM told X on 4 August that the southern route through the Strait of Hormuz is open to all commercial traffic. UKMTO's own incident log says that route absorbed sixteen of eighteen projectile strikes since 6 July, two more of them this week. This is how to read a public advisory note against AIS behaviour and let the shipping industry's own conduct settle the disagreement. Intercept
Two ADNOC vessels came under attack transiting the Strait of Hormuz on 13 August, the same day UKMTO logged a separate drone strike. The Southern Omani corridor, the route promoted as the safer alternative, has taken sixteen of eighteen recorded strikes since early July. When did the open record already show this corridor was the wrong kind of safe? Signal
UKMTO publishes its JMIC Advisory Notes as free PDFs every two weeks, and most practitioners never open them. Cross-read against AIS transponder gaps, they show a corridor's risk profile shifting well before mainstream coverage catches up. Here is how to read the two together. Shadow
CENTCOM says the corridor is open and defended. More than half the tankers using it have gone AIS-dark in the past three weeks. Both statements can be true and still describe different realities. Here is how to build the record instead of arguing the claim. • • •
Section 01 of 03 · Intercept
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The route sold as the safe alternative took most of this month's strikesThe Abu Dhabi National Oil Company said two of its vessels were attacked while transiting the Strait of Hormuz on 13 August. UKMTO separately reported a vessel sustaining minor damage from a drone strike the same day. Both incidents occurred on the Southern Omani corridor, the alternative route promoted since the U.S. reimposed its naval blockade of Iranian ports, and both add to a tally that has been building since early July.
CORRIDOR · Southern Omani route, promoted as the safer alternative to the Iranian-controlled channel
STRIKES · 16 of 18 UKMTO-logged projectile incidents since 6 July hit this corridor TOTAL DAMAGE · 56 vessel damage reports since 28 February, per UKMTO's 14 August report, which had not yet folded in 13 August's attacks The route built to reduce risk is the one absorbing it UKMTO's own JMIC Advisory Notes had already flagged the pattern in the open record weeks before this week's attacks. Its 19 July update warned of continued operator caution on the Southern Omani corridor tied to recent attacks there. Its 21 July update went further, naming recent attacks on tankers in Omani waters as a direct driver of reduced traffic on the route. Neither update required special access. Both are free PDFs published on UKMTO's own site. At what point did the open record contain sufficient signal to flag the corridor itself as the risk. The answer is mid-July, when UKMTO's own biweekly notes began repeating the same warning about the same waters two updates running. A practitioner reading those PDFs against a running incident count would have flagged the corridor as the story before this week's ADNOC attacks made it one. Do this now
Open UKMTO's most recent JMIC Advisory Note at ukmto.org and note every incident logged against the Southern Omani corridor. Cross-check the dates against any live file that assumes the corridor is the safer option. A route with a rising incident count across two consecutive advisory notes is no longer the alternative. It is the story. Six months into this crisis, the practitioner lesson is not about this corridor specifically. It is that a route's designation as "safer" is a label assigned once, at the start of a disruption, and rarely revisited against the incident data that route itself generates. The open record updates faster than the label does. • • •
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The Signal — Issue #009: The corridor CENTCOM calls open
Intercept: the route promoted as safe absorbed sixteen of eighteen UKMTO strikes since July. Signal: reading UKMTO logs against AIS gaps flags a shifting corridor early. Shadow: CENTCOM's open-route claim and the shipping industry's own blackout behaviour disagree
Aug 20, 2026
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7 min read
