ASD tug

PSA Wayra: Peru’s first hybrid-drive tug

Drive system of hybrid drive tug

Ordered last year at Hong Kong’s Cheoy Lee Shipyards (see earlier story), the Robert Allan Ltd RAmparts 2400 design hybrid-drive tug PSA Wayra will soon enter service as the first tug with a hybrid drive system on South America’s west coast. Built for PSA Marine Peru, a wholly owned subsidiary of Singapore’s PSA Marine (Pte) Ltd, the ASD tug is propelled by Schottel RudderPropellers and features Schottel’s patented Sydrive-M mechanical hybrid solution. Less complex than other hybrid technology,...

https://www.marinelog.com/inland-coastal/coastal/psa-wayra-perus-first-hybrid-drive-tug/

Excessive speed seen in expensive ASD tug grounding

ASD tug grounding

Excessive speed during a bow-to-bow harbor-assist maneuver led to the grounding of the ASD tugboat CC Portland in the Corpus Christi Ship Channel last year, the National Transportation Safety Board said Thursday.

“Excessive speed” seen in expensive tugboat collision with containership

It is the second marine casualty investigated by the NTSB in 2022 caused by excessive speed in azimuthing stern drive, or ASD, tugboats while in the center lead forward position. The NTSB continues to encourage...

https://www.marinelog.com/inland-coastal/coastal/excessive-speed-seen-in-expensive-asd-tug-grounding/

Kongsberg Maritime to supply advanced thrusters to Sanmar tugboats

TRAnsverse tug seen from three-quarters aft

Turkey’s Sanmar Shipyards has signed what’s described as “a sizeable contract” that will see Kongsberg Maritime deliver high-performance, future-proof US205SFP and US255SFP thrusters for installation on new azimuth Stern Drive (ASD) tugboats.

The tugs include a 60 tons bollard pull vessel that will be the first built to the next-generation TRAnsverse Tug design developed by naval architect firm Robert Allan Ltd for Maersk Group’s towage company, Svitzer. The new TRAnsverse 2600 tug can generate...

https://www.marinelog.com/inland-coastal/coastal/kongsberg-maritime-to-supply-advanced-thrusters-to-sanmar-tugboats/