Ship Performance Analysis Data Catalog
Data Catalog for Actual Sea Performance Analysis and Aging Degradation Evaluation (for Two-Stroke Low-Speed Main Engines)
Data Interval：10 min
Last Update: 1 August 2025
| No | Name | Required | <Validity> Unit(ISO) |
<Validity> Data type |
<Validity> Significant figures, Data format |
<> Range (2-stroke low-speed engine) |
<Reference> Data source |
<Reference> ISO19848 LocalID(JSMEA) |
|---|---|---|---|---|---|---|---|---|
| 1 | Time Stamp UTC | 〇 | — | Instantaneous value | yyyy-mm-ddThh:mm:ssZ | – | GPS | jsmea_nav/PositioningSystem/GNSS///UTC//Inst |
| 2 | Longitude DEG | 〇 | deg | Instantaneous value | 99.9999 | -90 ～ 90 | GPS | jsmea_nav/PositioningSystem/GNSS///LAT//Inst |
| 3 | Latitude DEG | 〇 | deg | Instantaneous value | 999.9999 | -180 ～ 180 | GPS | jsmea_nav/PositioningSystem/GNSS///LON//Inst |
| 4 | Speed over the ground | 〇 | kn | Standard deviation&Average value | 99.99 | -10 ～ 50 | GPS | jsmea_nav/PositioningSystem/GNSS///SOG//StandardDeviation jsmea_nav/PositioningSystem/GNSS///SOG//Average |
| 5 | Speed through the water | 〇 | kn | Standard deviation&Average value | 99.99 | -10 ～ 50 | Doppler | jsmea_nav/SpeedandDistanceMeasurementSystem/DopplerLOG///STW//StandardDeviation jsmea_nav/SpeedandDistanceMeasurementSystem/DopplerLOG///STW//Average |
| 6 | Displacement | 〇 | MT | Instantaneous value (Manually input for for each voyage) |
999999 | 0 ～ 1,000,000 | Report | jsmea_voy/DeadweightMeasurement/Displacement/////ManualInput |
| 7 | Course over the ground | 〇 | deg | Standard deviation&Average value | 999.9 | 0 ～ 360 | GPS | jsmea_nav/PositioningSystem/GNSS///COG//StandardDeviation jsmea_nav/PositioningSystem/GNSS///COG//Average |
| 8 | Heading | 〇 | deg | Standard deviation&Average value | 999.9 | 0 ～ 360 | Gyro | jsmea_nav/HeadingMeasurementSystem/GyroCompass///Heading//StandardDeviation jsmea_nav/HeadingMeasurementSystem/GyroCompass///Heading//Average |
| 9 | Rudder angle | 〇 | deg | Standard deviation&Average value | 99 | -50 ～ 50 | AutoPilot | jsmea_nav/ManeuveringSystem/Rudder///RSA//StandardDeviation jsmea_nav/ManeuveringSystem/Rudder///RSA//Average |
| 10 | M/E revolution speed | 〇 | min-1 | Standard deviation&Average value | 999.9 | -60 ～ 150 | AMS | jsmea_mac/MainEngine/Engine/Revolution//Speed//StandardDeviation jsmea_mac/MainEngine/Engine/Revolution//Speed//Average |
| 11 | M/E power | 〇 | kW | Standard deviation&Average value | 999999.9 | -10,000 ～ 100,000 | AMS | jsmea_mac/MainEngine/DrivingShaft/Output//Power//StandardDeviation jsmea_mac/MainEngine/DrivingShaft/Output//Power//Average |
| 12 | Fuel Oil Consumption | 〇 | MT/day | Average value | 999.99 | 0 ～ 150 | AMS | jsmea_mac/MainEngine/Engine/FuelOil//Consumption/Day/Average |
| 13 | Relative Wind Speed | 〇 | m/s | Standard deviation&Average value | 99.9 | 0 ～ 100 | Anemometer | jsmea_nav/MeteorologicalObservationSystem/WindIndicator/Relative//WindSpeed//StandardDeviation jsmea_nav/MeteorologicalObservationSystem/WindIndicator/Relative//WindSpeed//Average |
| 14 | Relative Wind Direction | 〇 | deg | Standard deviation&Average value | 999.9 | 0 ～ 360 | Anemometer | jsmea_nav/MeteorologicalObservationSystem/WindIndicator/Relative//WindDirection//StandardDeviation jsmea_nav/MeteorologicalObservationSystem/WindIndicator/Relative//WindDirection//Average |
| 15 | Significant height of wind waves | ShipDC arranges | ｍ | ー | ー | >0 | ERA5 | jsmea_wea/SeaState/WindWave///Height/Significant/Average |
| 16 | Mean period of wind waves | ShipDC arranges | s | ー | ー | >0 | ERA5 | jsmea_wea/SeaState/WindWave///Period//Average |
| 17 | Mean direction of wind waves | ShipDC arranges | deg | ー | ー | 0 ～ 360 | ERA5 | jsmea_wea/SeaState/WindWave///Direction//Average |
| 18 | Significant height of total swell | ShipDC arranges | ｍ | ー | ー | >0 | ERA5 | jsmea_wea/SeaState/TotalSwell///Height/Significant/Average |
| 19 | Mean period of total swell | ShipDC arranges | s | ー | ー | >0 | ERA5 | jsmea_wea/SeaState/TotalSwell///Period//Average |
| 20 | Mean direction of total swell | ShipDC arranges | deg | ー | ー | 0 ～ 360 | ERA5 | jsmea_wea/SeaState/TotalSwell///Direction//Average |
