Shipping•21 Apr 2026
South China Sea Shipping Monitor — 21 Apr 2026
AIS snapshot of the South China Sea. 5510 vessels observed as of 21 Apr 2026, 05:16 UTC. Sanctioned-flag vessels: 9. AIS gaps: 1362.
Zone: South China Sea — Captured: 21 Apr 2026, 05:16 UTC — Total vessels: 5510
Fleet Composition
| Metric | Value |
|---|---|
| Total vessels | 5510 |
| Tankers | 564 |
| Cargo vessels | 1948 |
| Sanctioned-flag vessels | 9 (0.2%) |
| AIS gap >10 min | 1362 (24.7%) |
| No declared destination | 311 (5.6%) |
Flag Distribution
Iranian-flagged vessels: 7 total — 0 tankers, 6 cargo.
Destination Breakdown
311 vessels (5.6%) carried no declared destination or an unresolvable value.
AIS Transmission Gaps
1362 vessels recorded AIS transmission gaps exceeding 10 minutes at time of capture.
| Vessel | Flag | Type | Gap | Declared destination |
|---|---|---|---|---|
| LAJU 202 | ID | Vessel | 24.0 min | Other |
| HGMAI HUNG 37F USA | VN | WIG | 24.0 min | Other |
| LONGGE 84 P7 | VN | Unknown | 24.0 min | Other |
| YUXINHUO13279 | CN | Cargo | 24.0 min | Other |
| DANUM 168 | MY | Cargo | 23.9 min | Other |
| QIONGDANYU19158 | CN | WIG | 23.9 min | Other |
| HAIYANGSHIYOU 605 | CN | Vessel | 23.9 min | Other |
| MINHUIYU00138 | CN | WIG | 23.9 min | Other |
Zone Map
Green — underway · Yellow — anchored · Red — sanctioned flag · Grey — AIS gap exceeding 10 minutes
AIS snapshot captured 21 Apr 2026, 05:16 UTC. Vessel count and positions reflect data available at time of capture. AIS gaps may result from coverage limitations, transponder deactivation, or encoding artifacts.