Meteorologymedium#115
When flying from a high pressure area to a low pressure area without resetting the altimeter, the altimeter will:
A
Over-read (indicate higher than actual altitude)
CorrectB
Under-read (indicate lower than actual altitude)
C
Read correctly
D
Fluctuate randomly
Explanation
Flying from high to low pressure causes the altimeter to over-read — the aircraft is lower than indicated. Remember: 'High to low, look out below.'
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