Electronic Fix is represented by which geometric shape on charts?

Master the Navigation, Seamanship, and Shiphandling (NSS) – Officer of the Deck (OOD) Phase 2 Exam with engaging flashcards and multiple choice questions, complete with hints and explanations. Prepare comprehensively for your test!

Multiple Choice

Electronic Fix is represented by which geometric shape on charts?

The main idea is recognizing how chart symbology signals the source of a position fix. When a fix comes from electronic navigation systems (like GPS/GNSS), the chart uses a triangle to mark that position. This distinct shape lets you quickly see that the fix is derived electronically rather than from visual landmarks or radar bearings, which helps with cross-checking and confidence in your plotted position. The other shapes are reserved for other fix types or chart annotations, so they wouldn’t represent an electronic fix.

The main idea is recognizing how chart symbology signals the source of a position fix. When a fix comes from electronic navigation systems (like GPS/GNSS), the chart uses a triangle to mark that position. This distinct shape lets you quickly see that the fix is derived electronically rather than from visual landmarks or radar bearings, which helps with cross-checking and confidence in your plotted position. The other shapes are reserved for other fix types or chart annotations, so they wouldn’t represent an electronic fix.

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