APL Single Anchor Loading

The Single Anchor Loading (SAL) was developed as a low-cost alternative to the STL system for use in situations where traditional CALM Buoys cannot be used. The SAL system design is based on the technology of the proven STL system and as the STL it is meant for Oil Loading Tankers (OLTS) or Floating Storage and Offloading vessels (FSOs).

[@tejasmankar4]

Can this concept be used for permanent mooring ? If yes , do we continuously need the hold back tug (assuming vessel has no self propulsion or thrusters) in order to avoid vessel running in to the riser? Also can this concept handle two risers?

[@mdnazmulhossain7441]

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