Definition
Operating an airplane at heights close to the ground or other surface, where reduced terrain clearance limits maneuvering room, shortens reaction time to hazards, and increases exposure to obstacles, wires, and rising terrain. In FAA training material it is treated as a distinct flight regime requiring specific planning, awareness, and skills rather than a casual style of flying.
Plain English
Flying close to the ground. Because there is little space between the airplane and the surface, the pilot has very little time to react if something goes wrong, so it requires extra care, planning, and training.
Context Anchor
Seen in training discussions about ground-reference maneuvers, takeoffs and landings, emergency practice, and any flight near terrain or obstacles.
Why Pilots Care
It raises the chance of controlled flight into terrain and requires stricter attention to minimum altitudes and obstacle avoidance than normal cruise flight.
Intuition Check
Low altitude flying does not mean one exact height in every situation. It means flying close enough to the ground that obstacles, mistakes, and aircraft problems leave little margin.
Example Sentence 1
The instructor briefed the student on the hazards of low altitude flying before introducing ground reference maneuvers.
Example Sentence 2
Night training emphasized low altitude flying techniques so the pilot could recognize and avoid unlit obstacles near the airport.