Remove Altimeter Remove Clearance Remove Pitot Tube
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10 Commercial Pilot Oral Exam Questions and How to Answer Them

Northstar VFR

Under VFR, the MEF guarantees 100’ obstacle/terrain clearance within that quadrant. Above 18,000’ MSL all aircraft set their altimeters to the standard pressure of 29.92. You encounter icing, and your pitot tube completely ices over, but your static port remains open. Technically, it’s FL600.