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Animate (Biological) Debris
Published in Ahmed F. El-Sayed, Foreign Object Debris and Damage in Aviation, 2022
Most bird strikes (80% or more) in the period 1970–1980 occur at altitudes from 0 to 3,000 ft AGL, with some 60% or more occurring below 500 ft [31]. This is due to two factors: Birds routinely fly at these altitudes (except when migrating)Aircraft must pass through these altitudes when they take off and land
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Published in Pamela S. Tsang, Michael A. Vidulich, Principles and Practice of Aviation Psychology, 2002
Altitude above the ground (altitude AGL) specifies the perpendicular separation between the plane and the ground (or water) directly under it. Altitude AGL, the distance to the ground under the plane, is the most important referent for altitude in the low-altitude environment—reference to elevation above sea level is rarely used.
Feedback and Student Learning: Matching Learning and Teaching Style to Improve Student Pilot Performance
Published in The International Journal of Aerospace Psychology, 2021
Tsz K. S. Chui, Brett R. C. Molesworth, Michael A. Bromfield
While a pilot can elect, within reason (i.e., aircraft limitations), to fly at any given altitude during the downwind leg of a circuit, it is often not feasible as there are strict altitude requirements for completing circuits at aerodromes which take into consideration rate of descent, in addition to the aircraft glide capabilities. Hence, for light aircraft circuit height is generally 1,000 ft above ground level (AGL). Similarly, on approach or during climb, there are also limits in terms of airspeed, some of which result from the engine capacity of the aircraft, and others from the airframe design. Therefore, variations from these prescribed targets provide a more accurate assessment of pilots’ abilities, based on the feedback provided.