Article GPS (Part 1) - Structure, mode of operation, technical and physical fundamentals of GPS
by Capt. Gunter Schütze, Thailand/Germany - published on 30 January 2020
Article GPS (Part 2), physical and technical errors of GNSS - an error analysis
by Capt. Gunter Schütze, Thailand/Germany - published on 26 February 2020
In my announced sequel, the second part of GPS, it is primarily about the technical and physical operational and functional limitations to which GPS is subject. These limitations, in part, have serious implications for the accuracy of GPS, and even go as far as limiting the functionality of GPS in its functions or even making it impossible. In doing so,
Article GPS (Part 3) - Accidental interferences and intended Interferences by extern technical sytems
by Capt. Gunter Schütze, Thailand/Germany - published on 6 May 2020
Video Zig-Zag-Test-Manoeuvre for Yaw Stability, IMO Manoeuvring Standards and Crash Stop
published on 26 November 2021
Video Port Revel Ship Handling Training Centre
published on 24 October 2019
Opinion Hybrid War at Sea
by Frank Diegel - published on 25 March 2025
Electronic warfare in the Baltic Sea is escalating rapidly, with GPS and AIS disruptions posing growing risks to maritime navigation. Russia’s hybrid strategy is targeting both safety and stability in one of Europe’s most critical shipping regions. Pilots and crews now face a new reality: navigating under threat.
Video Yaw Stability of Ships - Basic Principles by Knud Benedict
published on 18 November 2021
Another very good explanatory video by Knud Benedict. Absolutely worth seeing.
Yaw Stability is an important element of Ships Manoeuvrability - both for course keeping and turning ability. This first video in a series explains the Basic Principles of stability in steady state equilibrium conditions and the forces / moments involved
Video Maritime Pilot Training III - Man overboard manoeuvre
published on 12 May 2021
Video Vessel "ELSE" crashes into closed lock gate in Kiel-Holtenau on 29.08.2020
published on 31 August 2020
Shortly after 5 a.m. local time the vessel “Else” had a collision in the Kiel-Holtenau lock to the Kiel Canal.
The "Else" subject to pilotage passed the pilot's boarding position without taking a sea pilot on board and collided from the outside into the closed gate of the new north lock. The bow bored into the metal construction and the ship was stuck for about six hours.
For more information about this accident see related content below (articles).