Sport Flight Instructor Helicopter - Simplified Flight Controls › VIII. Takeoffs, Landings, and Go-Arounds › Task D. Steep Approach

FH.VIII.D.K4

Knowledge

Effects of atmospheric conditions on approach and landing performance.

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Get a short, cited explanation of this element written from the FAA handbooks: the core idea, the numbers that matter, common test traps, and a quick self-check.

From the FAA library

Aeronautical Information Manual p. 7-6-6
Chapter 7. Safety of Flight › Section 6. Potential Flight Hazards › 7-6-7. Mountain Flying
conditions which often prevail at high altitude fields, a power approach and power landing is recommended. Additionally, due to the faster groundspeed, your takeoff distance will increase considerably over that required at low altitudes. i. Effects of Density Altitude. Performance ... aircraft owner’s handbook for length of takeoff run, horsepower, rate of climb, etc., are generally based on standard atmosphere conditions (59 degrees Fahrenheit (15 degrees Celsius), pressure 29.92 inches of mercury) at sea level. However, inexperienced pilots, as well…
Pilot's Handbook of Aeronautical Knowledge p. 17-10
Chapter 17: Aeromedical Factors › Health and Physiological Factors Affecting Pilot Performance › Water Refraction
Water Refraction Rain on the windscreen can create an illusion of being…
Pilot's Handbook of Aeronautical Knowledge p. 12-8
Chapter 12: Weather Theory › Wind and Currents › Effect of Obstructions on Wind
Effect of Obstructions on Wind Another atmospheric hazard exists that can create problems for pilots. Obstructions on the ground affect the flow of wind and can be an unseen danger. Ground topography and large buildings can break up the flow ... landing performance of any aircraft and can present a very serious hazard. During the landing phase of flight, an aircraft may “drop in” due to the turbulent air and be too low to clear obstacles during the approach. Figure…