Which mode provides a controlled climb after takeoff?

The mode that provides a controlled climb after takeoff is the CLB mode. When the CLB mode is selected, the autothrust system automatically adjusts engine thrust to maintain a specific climb speed, optimizing the aircraft's performance during ascent. This ensures a safe and efficient climb, adhering to the required flight parameters while managing the engine outputs effectively. The CLB mode typically engages at a point determined during the flight plan, and it is designed to maintain a balance between climb rate and aircraft speed, which is essential for aircraft performance and passenger safety.

In contrast, the other modes such as V/S, EXP CLB, and OP CLB each serve different operational characteristics. V/S (Vertical Speed) allows pilots to manually set a target vertical speed for the aircraft to follow, which can be less efficient compared to the standard CLB mode - especially after takeoff when a programmatic climb is favored. EXP CLB, which stands for Expedited Climb, is used for situations requiring faster climbs and may not be optimal immediately after takeoff when a steady climb is necessary. OP CLB, or Optimized Climb, is used in conditions that require specific planning, often influenced by weight or environmental factors. While these modes have their uses, CL