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Refer to figure.
What does this symbol from a South African 1 : 1 000 000 aeronautical chart indicate?

  • A

    An obstacle, the elevation of which is 5676 feet above sea level.

  • B

    An obstacle, the height of which is 745 metres above sea level.

  • C

    An obstacle, the height of which is 745 metres above ground level.

  • D

    An obstacle, the height of which is 4931 feet above sea level.

Refer to figures.
According to ICAO Annex 4 - Aeronautical Charts, the symbol indicates an obstacle the elevation of which is 5676 feet above sea level and the height of which is 745 feet above ground level.


Note: Elevation and height in charts is always in feet. The height is depicted within parenthesis and is above ground level (AGL).

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