ELECTRONAUTICSKnowledge. Sourced, not claimed.
Technical articles for shipyards, shipowners and buyers: Ü2, work contract or temporary staffing, cable pulling, high-voltage testing, OTDR and the standards behind them. Every statement with a source.
Questions before the order.
Ü2 security clearance: process, duration and what is new in 2026
Who applies, what is checked, how long does it take? Ü2 for contractor staff in naval shipbuilding, updated for the 2026 amendment of the SÜG.
Work contract or temporary staffing at the shipyard
How to tell the two models apart, what the contract must contain, how the maximum assignment period and the sector pay supplement work, and where a sham work contract begins.
OTDR measurement on board: wavelengths, limits, test report
Why a launch fibre, why two directions, which values are usual for splices and connectors, and what a complete test report contains.
Cable pulling on ships: bending radius, fixing, penetrations
Bending radius, fixing intervals, when metal clips are required, how cables are segregated and what applies to penetrations through bulkheads.
Testing high-voltage cables on ships: methods and values
Insulation resistance tests before and after, voltage testing with DC, AC or VLF, the differences between IACS, class and IEC, and the rules for cable terminations.
Bridge refit on ships: approval, cables, interference immunity
Type approval, the wheel mark, flag state consent, interference immunity on the bridge, the right cables and the documents after the conversion.
IEC 60092 and class rules: what applies to marine electrical work
The key parts of the standards series with their editions, the new IEC 60092-352 of 2025, IACS requirements, type approval and the evidence required at acceptance.
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