SIFT Army Aviation Information Practice Test 2026 – All-in-One Study Guide for Exam Success!

Question: 1 / 400

The lift-to-drag ratio is essential for assessing what aspect of helicopter performance?

Stability during flight

Fuel efficiency

The lift-to-drag ratio is a crucial measure for understanding fuel efficiency in helicopter performance. This ratio indicates how effectively a helicopter can generate lift relative to the aerodynamic drag it experiences. A higher lift-to-drag ratio means that the helicopter can produce more lift with less energy lost to drag, resulting in more efficient flight and lower fuel consumption over a given distance. This is particularly important in aviation, as it directly influences operational costs and range capabilities. Therefore, assessing the lift-to-drag ratio provides valuable insights into how well a helicopter balances lift generation and drag minimization, ultimately affecting its fuel economy.

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Maximum payload capability

Climbing rate

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