
APT NO.503
Oil service / AHTS, IMO 9444132
Where is the ship?
APT NO.503 is currently in the Taiwan Strait, based on AIS data received less than 1h ago. Track APT NO.503 live using high-quality AIS by registering a free account in ShipAtlas by Maritime Optima.
Track live positionWhat type of ship is this?
APT NO.503 (IMO 9444132) is a Oil service/AHTS ship built in 2010 and is sailing under the flag of Taiwan. She has an overall length (LOA) of 60 meters and a width (beam) of 16 meters. Her summer deadweight capacity is 1,687 tonnes.
Current voyage information


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Last port calls
Port name | Arrival time | Departure time |
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Saturday 12th July | Monday 14th July |
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Thursday 3rd July | Wednesday 9th July |
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Sunday 22nd June | Tuesday 1st July |
Frequently asked questions
Where is APT NO.503 right now?
The current position of APT NO.503 in the the Taiwan Strait, last seen less than 1h ago.
What type of ship is APT NO.503?
APT NO.503 is a Oil service classified as a AHTS.
How big is APT NO.503?
APT NO.503 is 60 meters long (LOA) and 16 meters wide (beam).
Vessel details
Name | APT NO.503 |
Vessel type | Oil service / AHTS |
IMO | 9444132 |
MMSI | 416007985 |
Callsign | BR4563 |
Flag | Taiwan |
Year built | 2010 |
Deadweight (DWT) | 1,687 tonnes |
Length overall (LOA) | 60 meters |
Width (beam) | 16 meters |