Sail fast, then wait

NAPA’s digital expertise underpins new collaboration tackling “Sail Fast, then Wait” to reduce shipping’s emissions


Blue Visby solution can reduce shipping emissions by around 15% by eradicating the practice of “Sail Fast, then Wait” through an innovative contractual framework, supported by cutting-edge digital technology

NAPA, a leading digital technology provider for the maritime industry, has become one of the founding and coordinating members of the Blue Visby Consortium, which is aimed at helping the shipping industry eliminate the wasteful practice of “Sail Fast, then Wait” (SFTW) through a collaborative platform.

Combining an innovative contractual framework and state-of-the-art digital technology, the Blue Visby Solution optimizes arrivals, enabling vessels to reduce their speed – and emissions – without impacting their commercial performance.

By tackling SFTW, which sees ships sailing at speed across oceans only to wait at anchorage outside ports, the Blue Visby Solution will help reduce emissions for maritime journeys by 15% on average. If applied globally, the solution has the potential to reduce the carbon footprint of the global shipping fleet by more than 60 million tonnes of CO2 per year – which is larger than the total emissions of an entire country like Norway.

NAPA joins the Blue Visby Consortium as a technology provider, contributing its digital and voyage expertise to help optimize and stagger arrival times for groups of vessels traveling to the same port. Taking into consideration parameters such as the performance and characteristics of each vessel, port congestion at destination, and weather conditions, the Blue Visby algorithm provides an optimal target arrival time for each vessel, while keeping their order of arrival as if they had sailed independently without the solution. This enables vessels to slow down, cutting their fuel consumption and emissions, but still “keep their place in the queue” and arrive one after the other, which reduces unnecessary waiting times outside ports.

Crucially, the Blue Visby Solution includes an innovative contractual framework to address the problem of so-called “split incentives”. It introduces a sharing mechanism that enables stakeholders on each voyage (shipowners, charterers and cargo interests) to share the costs and benefits of the implementation of the Blue Visby Solution, including fuel savings, the costs of a lengthier journey, and the financial value of emissions reductions where applicable. This contractual architecture is designed to be compatible with the standard terms of maritime contracts and does not require any new legislation or regulations.

Based on extensive analysis of 2019 shipping data from 150,000 voyages by 13,000 cargo ships in the 150 most visited ports, NAPA estimates that the Blue Visby Solution will enable vessels to reduce their speed by about 1 knot on average, which is well within the operational parameters of the existing commercial fleet. Speed could be reduced on 87% of the voyages, leading to shorter idle times and an average emissions savings potential of 16%.

Pekka Pakkanen, Executive Vice President at NAPA Shipping Solutions, said: “We are proud to see NAPA’s proven expertise on digital technology power this major project, which will help ships sails more efficiently, reduce waiting times at anchorage, and deliver immediate and tangible emissions reductions. At NAPA, we are committed to breaking the barriers for more energy-efficient and sustainable operations, and we are excited to contribute to this unique solution, which brings most of the benefits of “just-in-time” arrivals, without most of the problems. Blue Visby complements voyage planning and weather routing software by providing a target arrival time, and enables users to optimize routes and speed to save fuel without worrying about losing a competitive advantage. And the best part of it is that all this can be done now and with very small upfront investment, as Blue Visby requires no additional on-board systems.”

Mikko Kuosa, Chief Executive Officer at NAPA, said: “Given the urgency of the climate crisis, the world needs solutions that will make a difference today. From our experience at NAPA, we see the benefits of digital solutions, which are already unlocking tangible fuel and emissions savings through voyage optimization and weather routing. However, solving one of the biggest operational efficiency issues in maritime – the Sail Fast, then Wait phenomenon – is not something that a tech company alone can do. Today, we are proud to collaborate with fellow industry pioneers on this groundbreaking solution, which is committed to remaining neutral, independent, inclusive and transparent to reduce emissions for the benefit of the entire industry.”

The Blue Visby Consortium is coordinated jointly by NAPA and maritime law experts from the international law firm Stephenson Harwood LLPHaris Zografakis, Partner at Stephenson Harwood LLP, said “It has been fantastic to work with NAPA on this project. Not only are their systems and software best-in-class, but also their people combine deep maritime knowledge, a vision for the future of the industry, and the dedication to build that future. And in a time-honored Finnish fashion, they do so calmly, quietly, methodically and with supreme professionalism”.

The Blue Visby Consortium also presently includes 11 other maritime leaders from the shipping industry, government, classification societies, consultancies, financing, and environmental organizations: Anglo-AmericanCarbon TrustClassNKCMBDrewryOcean ConservancyLloyd’sthe UK Hydrographic Officethe University of ManchesterTankers International, and Vertis.

This article is shared by courtesy of NAPA – – In its over 30 years of operation, NAPA has become a global leader in developing and scaling software, services and data analysis for a safer, smarter, and more sustainable maritime industry.

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