HAS denotes height above surface (AGL) for the DA/MDA relative to the highest terrain within 5,200 feet of the missed approach point.

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Multiple Choice

HAS denotes height above surface (AGL) for the DA/MDA relative to the highest terrain within 5,200 feet of the missed approach point.

The idea being tested is how approach minima express vertical distance relative to terrain. HAS stands for Height Above Surface, which is the height of the DA or MDA above the actual surface, using the highest terrain within 5,200 feet of the missed approach point as the reference. This gives you the real clearance above terrain at the MAP, expressed as a height above ground (AGL). It’s the measure that ties the published DA/MDA to how tall the nearby terrain sits, ensuring you know how much margin you have if you reach the decision altitude and need to execute a missed approach. Other terms aren’t used here because they refer to different references (for example, height above a threshold or touchdown) and the missed approach point is the location, not the height.

The idea being tested is how approach minima express vertical distance relative to terrain. HAS stands for Height Above Surface, which is the height of the DA or MDA above the actual surface, using the highest terrain within 5,200 feet of the missed approach point as the reference. This gives you the real clearance above terrain at the MAP, expressed as a height above ground (AGL). It’s the measure that ties the published DA/MDA to how tall the nearby terrain sits, ensuring you know how much margin you have if you reach the decision altitude and need to execute a missed approach.

Other terms aren’t used here because they refer to different references (for example, height above a threshold or touchdown) and the missed approach point is the location, not the height.

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