In 2017, the INTERSCHALT Software division becomes part of Navis, and the INTERSCHALT Service division becomes part of MacGregor's customer service Global Lifecycle Support. 


StowMan, MACS3 and Bluetracker are the names of our flagship software solutions promoting stowage planning, onboard vessel stowage and vessel performance monitoring and analysis.


"We have built our value chain of smart software around the needs of ship owners and managers which allow them to operate their fleet more efficiently."  Benoit de la Tour, Managing Director

INTERSCHALT has been developing and delivering innovative software solutions to the shipping industry for over 30 years. We convert clients' ideas into products that benefit everybody in the industry. The efficient use of INTERSCHALT software solutions in the fields of vessel performance monitoring, stowage planning, loading computer and trim optimizations helps ship operators and ship owners to optimize the costs of operating their vessels.

Service & Support - Is care 360°

Solution oriented flexibility makes the service difference.


"Service means putting oneself in the position of a client and having the strength to say "Let’s go for it" even beyond the terms of a contract." Rainer Twisterling, Managing Director

Service and support are the center of our strive towards sustainability. Our aim is total efficiency for your fleet and 100% customer satisfaction. We offer 24/7 availability and 360° service on board in addition to shore-based maintenance with flat fees and transparent reporting. 


Navis Launches New Bluetracker Hull and Propeller Performance Monitoring Module

Hull Monitor assists ship operators in data-driven decision-making for the best scheduling of maintenance activity and... Read more

Bluetracker MRV Software Solution Gains “MRV Ready” Certificate from DNV GL, Meeting all Requirements of New EU Regulations

The Navis Bluetracker monitoring and reporting software has been declared “MRV Ready”, following a Validation GAP... Read more

Wuhan University of Technology Partners with Navis to Utilize MACS3 and Stowman Software in Expansion of Cargo Management Curriculum

University provides students with access to best-in-class ship loading computer and stowage planning software for... Read more

Bluetracker to Launch MRV Module That Includes Data Validation and Plausibility Checks to Ensure Compliance with Data Quality of MRV Reports

The fleet performance solution, Bluetracker, introduces a module to the maritime market that is tailored to the new EU... Read more

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