General Authority of Civil Aviation (GACA) Aeronautical Information Publication (AIP) Practice Exam

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At what speed should the turbulent air penetration be maintained below 25,000 feet?

  1. 260 Knots

  2. 270 Knots

  3. 280 Knots

  4. 300 Knots

The correct answer is: 270 Knots

The correct speed for turbulent air penetration below 25,000 feet is 270 knots. This speed is designed to ensure safety during turbulent conditions, as it helps maintain control of the aircraft while minimizing structural stress. Flying at this speed allows the aircraft to effectively respond to the changes in air movement, while also providing enough margin for pilot performance and aircraft stability. It is important to adhere to the recommended speed for turbulent air penetration to avoid excessive bank angles or altitude changes that can arise from abrupt turbulence. This practice is essential for safeguarding both the aircraft and its occupants.