Clearance Distance Measuring Equipment Instrument Flight Rules 
Pilot Institute
JUNE 19, 2025
This means that you can use the runway centerlines as a measuring stick. But what would you measure, and how would you measure it? Say, for example, that you’re going to depart for an Instrument Flight Rules (IFR) flight in fog. The easiest way to measure your forward visibility during takeoff?
Pilot Institute
FEBRUARY 22, 2025
Flying under Instrument Flight Rules (IFR) can, at times, feel like deciphering a complicated puzzle, especially when you’re staring at an approach chart filled with intricate details. Flying at MSA guarantees at least 1,000 feet of obstacle clearance. The notes section tells you what to do in certain conditions.
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