Shipping•21 Apr 2026
Strait of Hormuz Shipping Monitor — 21 Apr 2026
AIS snapshot of the Strait of Hormuz. 801 vessels observed as of 21 Apr 2026, 05:04 UTC. Sanctioned-flag vessels: 125. AIS gaps: 81.
Zone: Strait of Hormuz — Captured: 21 Apr 2026, 05:04 UTC — Total vessels: 801
Fleet Composition
| Metric | Value |
|---|---|
| Total vessels | 801 |
| Tankers | 259 |
| Cargo vessels | 264 |
| Sanctioned-flag vessels | 125 (15.6%) |
| AIS gap >10 min | 81 (10.1%) |
| No declared destination | 77 (9.6%) |
Flag Distribution
Iranian-flagged vessels: 125 total — 6 tankers, 35 cargo.
Destination Breakdown
77 vessels (9.6%) carried no declared destination or an unresolvable value.
AIS Transmission Gaps
81 vessels recorded AIS transmission gaps exceeding 10 minutes at time of capture.
| Vessel | Flag | Type | Gap | Declared destination |
|---|---|---|---|---|
| LUNA II | PA | Cargo | 23.8 min | UAE |
| CHLOE | GY | Tanker | 23.5 min | Iran |
| S J BOSS | KM | Cargo | 23.4 min | Other |
| HP 2 | KM | Vessel | 23.4 min | Unknown |
| MAKRAN1 | IR | Vessel | 23.3 min | Iran |
| FARAHI 1 | KM | Cargo | 23.2 min | Other |
| NMS 402 | AE | Vessel | 23.0 min | UAE |
| SAHELPOL1 | KM | Vessel | 23.0 min | Oman |
Zone Map
Green — underway · Yellow — anchored · Red — sanctioned flag · Grey — AIS gap exceeding 10 minutes
AIS snapshot captured 21 Apr 2026, 05:04 UTC. Vessel count and positions reflect data available at time of capture. AIS gaps may result from coverage limitations, transponder deactivation, or encoding artifacts.