Refer to the current Denver sectional excerpt. An obstruction near the top of the excerpt is charted as "5441" with "(350)" below it. What does the number in parentheses represent?

Why: Sectional charts print each charted obstruction with two numbers: the unparenthesized figure is the obstruction's top elevation above mean sea level (MSL), and the parenthesized figure below it is its height above ground level (AGL). Here, the obstruction's top is 5,441 feet MSL and it stands 350 feet AGL.

• Reverses the two figures — 5,441 (without parentheses) is the MSL elevation; the parenthesized 350 is the AGL height, not the other way around.
• Invents a distance-from-airport reading; obstruction data blocks on sectional charts show only MSL elevation and AGL height, never a distance figure.