Ships under the Japan flag
Skydex collections hold 49 ships registered in Japan, logged by 4 pilots. Most of them are cargo ships. It shows up regularly, without being one of the big open registries. Registry comes from the MMSI prefix in the AIS signal — the flag state, which for most merchant traffic is not the owner’s country.
Vessels
- HARU MARU — cargo ship · 76 m · 2 spotters
- HAYATE — tug · 40 m
- AKI MARU — tanker · 105 m
- SHOHO MARU — tanker · 105 m
- KAIKO — tug · 56 m
- TOKU MARU NO.31 — cargo ship · 75 m
- CHITOSE — tug · 33 m
- YAMATO MARU — tug · 38 m
- MMSI 431008214 — tanker · 44 m
- KEISEN MARU — tanker · 103 m
- AIKOU MARU — tanker · 89 m
- SATSUMASEIUN MARU — fishing vessel · 65 m
- MMSI 431401965 — tanker · 64 m
- MEISHIN MARU — cargo ship · 74 m
- OTAGAWA — cargo ship · 70 m
- KUROGANE — tug · 38 m
- ONE MATRIX — cargo ship · 302 m
- MARVELOUS ACE — cargo ship · 200 m
- NSU NEWSTAR — cargo ship · 292 m
- KUROBE MARU — tug · 40 m
- KUMANO MARU — tug · 37 m
- KASUGA MARU — tug · 33 m
- KATASE MARU — tug · 37 m
- IZUMI MARU — cargo ship · 165 m
- HAKUHOUMARU — cargo ship · 76 m
- ASAHI MARU — tanker · 105 m
- MIYABI MARU — tanker · 64 m
- MMSI 431301745 — tanker · 52 m
- TOKUEIMARU NO.17 — tanker · 64 m
- SHIOTAMARU NO8 — tanker · 65 m
- SALVIA MARU — passenger ship · 118 m
- KAIYO MARU — fishing vessel · 88 m
- SHIN TAIYO MARU — tanker · 75 m
- SYMPHONY MODERNA — passenger ship · 83 m
- RYUKYU EXPRESS 7 — cargo ship · 191 m
- SAKAE — tug · 28 m
- KAIRIN MARU — cargo ship · 70 m
- SENBOU MARU — cargo ship · 76 m
- HIMAWARI 9 — cargo ship · 167 m
- PHENIX LEGEND — tanker · 96 m
- IZUMO MARU — tug · 38 m
- YOSHU NO.1 — cargo ship · 135 m
- ASAHI — tanker · 58 m
- SHINEI — cargo ship · 77 m
- SHOWAMARU — tanker · 90 m
- SWALLOW ACE — cargo ship · 199 m
- LEO SPIRIT — cargo ship · 199 m
- FRONTIER EXPLORER — cargo ship · 292 m
- ONE HANGZHOU BAY — cargo ship · 335 m
Spotters
First caught by ess on 2026-08-26.