DatumMark Bewertung

DatumMark App Beschreibung und Prüfung

Was ist die datummark-app? DatumMark — IALA Buoyage Reference & Exam Prep

Master the IALA Maritime Buoyage System with DatumMark, a comprehensive reference and revision tool for mariners, sailing students, and anyone preparing for RYA, ISA, or coastal navigation examinations.

COMPLETE IALA MARK REFERENCE

All 12 mark types of the IALA Maritime Buoyage System, covering lateral, cardinal, isolated danger, safe water, special, and emergency wreck marking buoys. Each mark includes full specifications: hull colours, shapes, topmark configurations, light characteristics, and their navigational meaning.

BOTH IALA REGIONS

Switch between Region A (Europe, Africa, Asia, Australasia) and Region B (Americas, Japan, Korea, Philippines). Lateral marks update automatically to reflect the correct colour conventions for your region. Cardinal and all other mark types are displayed identically, as per the international standard.

ANIMATED LIGHT CHARACTERISTICS

Every light rhythm is animated to IALA specification — flashing, quick, very quick, ultra quick, isophase, occulting, Morse code, long flashing, and alternating sequences. See exactly how each light behaves at night, with correct flash rates and group patterns including composite sequences like Fl(2+1) and VQ(6)+LFl.

INTERACTIVE BUOY DIAGRAMS

Rendered buoy illustrations showing accurate hull colours, horizontal and vertical banding, topmark shapes and orientations, and animated navigation lights — all drawn to IALA standard against a sky and sea background for clarity.

QUICK REFERENCE CARD

A single-screen summary of every mark — colour, topmark, and light character at a glance. Like the laminated reference card on your chart table, always in your pocket.

EXAM QUIZ MODE

Three quiz modes to test your knowledge:

Identify the Mark — recognise a buoy from its visual appearance
What Does It Mean? — match marks to their navigational meaning
Light Character — identify light rhythms from animated sequences
Ten questions per session with immediate feedback, explanations, and a pass/fail score against the RYA threshold of 7/10.

REFERENCE SECTIONS

Browse all light rhythms with descriptions and abbreviations, buoy shapes with their usage, and topmark types with the marks they belong to.

NIGHT VISION MODE

Three display themes: Amber, Green, and Red. The red theme preserves scotopic (night-adapted) vision, suitable for use on the bridge during hours of darkness.

DESIGNED FOR MARINERS

DatumMark is part of the Datum series of informational apps. Built for clarity, accuracy, and quick reference — whether you are revising for an exam, refreshing your knowledge before a passage, or settling a debate in the cockpit.

This application is provided for educational and revision purposes only. Always consult official charts, publications, and up-to-date notices to mariners.

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DatumMark Kundendienst

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DatumMark (Version 1.0) Anwendung Herunterladen und Installieren

Die Applikation DatumMark wurde am Mittwoch, 11. März 2026 in der kategorie Nachschlagewerke veröffentlicht und von Stuart Woolley [Developer ID: 315697638] entwickelt. Diese anwendungsdatei hat eine größe von 2.64 MB. Diese App wurde von 17 Benutzern bewertet und hat eine Bewertung von 4,0 von 1. Die neueste auf Mittwoch, 11. März 2026 veröffentlichte Version von DatumMark ist 1.0. Es funktioniert problemlos auf feräten mit mindestens IOS 26.2 und höher. ID-Nummer des Google Play Store: com.fiddlemeragged.DatumMark. Von der App unterstützte Sprachen: