What must be referenced to convert climb rates into climb gradients at a specific airspeed?

To convert climb rates into climb gradients at a specific airspeed, the approach plate volume is essential. Approach plates provide detailed information concerning the procedures and the required performance characteristics for aircraft during their approach and departure phases. They often specify the required climb gradients, which can be influenced by factors like terrain and obstacles.

In converting climb rates to gradients, pilots utilize the information from the approach plate to ensure that they are meeting the necessary climb performance standards. This involves understanding the relationship between altitude gain over time (the climb rate) and the aircraft's speed, allowing pilots to calculate the climb gradient expressed as a percentage.

Approach plates contain the necessary data related to specific airports and approaches, including minimum climb gradients that must be adhered to for safety and efficiency during flight operations.