Ceiling Instrument Meteorological Conditions NOTAMs 
Pilot Institute
MARCH 6, 2025
AGL is important for drone pilots as the regular ceiling for drone flight is defined as 400 feet AGL. NOTAM Notice to Airmen A NOTAM is a notice that contains essential information to alert pilots of potential hazards at a specific location or along a flight route. NOTAMs are publicly available.
Pilot Institute
NOVEMBER 5, 2024
For your planned destination, you need ALL of these conditions to exist: One hour before and one hour after your planned arrival time these conditions must exist. The ceiling must be at least 2,000 feet above the airport elevation. If any ONE of these conditions is not met, you must file for an alternate airport.
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