Category Archives: AHTS
Anchor Handling Tug Supply (AHTS) vessels are mainly built to handle anchors foroil rigs, tow them to location, anchor them up and, in a few cases, serve as an Emergency Rescue and Recovery Vessel (ERRV).
AHTS vessels differ from Platform supply vessels (PSVs) in being fitted with winches for towing and anchor handling, having an open stern to allow the decking of anchors, and having more power to increase the bollard pull. The machinery is specifically designed for anchor handling operations. They also have arrangements for quick anchor release, which is operable from the bridge or other normally manned location in direct communication with the bridge. The reference load used in the design and testing of the towing winch is twice the static bollard pull.
In October 2011 Deep Sea Supply`s AHTS fleet (all 12 AHTS Vessels) had an average gross income of approx. USD 19,600 per ship per day compared to USD 15,800 in September.
The PSV fleet (all 8 PSVs) had an average gross income of approx. USD 20,000 per ship per day compared to USD 20,200 in September.
The AHTS Sea Tiger has been approx 50% off hire in October due to scheduled maintenance program.
Sea Vixen, which was delivered from the yard in October, is not included in the figures.
- Norway: STX OSV to Build 4 PSVs for Island Offshore (mb50.wordpress.com)
- Westshore Shipbrokers: A Closer Look at Vessel Scrapping and Attrition in the OSV Market (mb50.wordpress.com)
- Norway: Bourbon Offshore Takes Delivery of Ulstein PX105 Design PSV (mb50.wordpress.com)
- India: Cochin Shipyard Names Two Platform Supply Vessels (mb50.wordpress.com)
- Westshore Shipbrokers: Ultra-Deepwater, What is Next for the Shipowner? (Brazil) (mb50.wordpress.com)
- USA: Wartsila Wins LNG Propulsion Equipment Contract for Offshore Vessels (mb50.wordpress.com)