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GS stands for __________(a) gravitational speed(b) greater speed(c) ground speed(d) gradual speedI got this question in examination.I need to ask this question from Measurement of Airflow Characteristics topic in division Atmosphere and Air Data Measurement of Aircraft Performance

Answer»

Right OPTION is (c) ground speed

To explain I would say: GS stands for ground speed. Ground speed is the relative movement between the AIRCRAFT and the ground. It is CORRECTED for true air speed. For example, 98 knots true air speed + 10 knots tailwind=108 knots ground speed.



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