NAVTEX and SafetyNET maritime safety information
What is being checked
The inspector is checking whether relevant navigational and meteorological warnings are received, filtered, assessed and incorporated into the berth-to-berth passage plan, with officers able to configure, cross-check, test and respond to failure of the actual equipment fitted.
Ready onboard
0/6 completePractice questions
Answer aloud, then open the preparation point.
1What safety function does navtex and safetynet maritime safety information provide?
Relevant navigational and meteorological warnings are received, filtered, assessed and incorporated into the berth-to-berth passage plan.
2How is the complete function tested?
Perform receiver self-tests, verify time, position or area input, printer or storage condition and successful receipt from expected services.
3What is its principal limitation?
Over-selection creates message overload while incorrect station or area selection can suppress warnings relevant to the route.
4What is your response if it fails?
Obtain MSI through an approved alternate service, warn the Master and bridge team, record the limitation and repair or restore the receiver.
5Show the latest test and operational evidence.
Link the dated record to the actual unit, test method, result, defect response and restoration; a panel lamp test alone is not sufficient where the full signal path can be tested.
Where an observation may arise
The responsible officer cannot explain safe use, limitations or failure response.
Testing does not prove the required operational function or remote indication.
Indiscriminate selection produces overload and important messages are missed.
SafetyNET service or receiver position does not cover the planned route.
A relevant warning is received but not incorporated into navigation.
Master's practical note
Select one active warning and trace it to the route. Receipt is only the first control; the operational test is whether the bridge team changed the plan or monitoring.
Equipment boundary and references
Equipment boundary: Available MSI services depend on sea area and GMDSS installation. Use current NAVAREA, METAREA, coastal-warning and satellite-service information for the whole voyage.
References
- OCIMF SIRE 2.0 Question Library Part 1, Version 1.0, Question 4.1.10
- SOLAS Chapter IV
- SOLAS Chapter V regulation 27
- IMO NAVTEX Manual
- IMO International SafetyNET Services Manual
Last reviewed: 2026-09-11