What is climbing ? The action of the increasing the height of an aircraft is known as climbing. Rate of climbing:The vertical speed of an aircraft is known as rate of climbing. With respect to distance or time, rate of positive height changes. In most countries, it is expressed in feet per minute (ft/min). How to calculate rate of climbing ?Rate of climbing can be calculated by taking the ground speed in nautical miles per hour, and multiply by climbing gradient in feet per nautical mile. The answer will be in feet per minute (ft/min). The climbing gradient is the % of rise over run (50% climbing at 45 degrees) that the aircraft is climbing at.Phase Climb:Phase climb is also known as climb out. It can be explained as, the duration due to which the aircraft climbs to affixed height after journey after takeoff in the typical flight. Step Climbing:The gaining of height and the improvement of fuel financial system, when aircraft moves into thin layer of air, becomes lighter and able to move faster. The opposite of a climb is decent. Angle of climb:Ratio between the travelled distance and the height gained over the ground. The angle of climb can be expressed as the horizontal plane and earth’s surface, and the path followed by actual flight during its ascent.Climb operation:The surplus thrust is use in the steady ascent climb. The drag on the aircraft is over reach the amount of thrust produced by the power plant. Normal climb:Normal climbs are defined by some rules and procedures, and are used to enlarge airspeed, airspaces, and instrumental procedures. Normal climbs are simply normal climb rates. For example, a normal climb of 120 feet nautical miles think to be supposed during the evolution of navigational process or airspace limits in terminal areas by defining. Forces in the climbing:There are four forces acting on an aircraft:? Weight. ? Lift.Forces in the climbing:? Drag. ? Thrust. What is Vx and Vy ? The slowest and the maximum angle of climb is known as Vx. The height of the climb in the shortest horizontal distance. A little faster and the maximum rate of climb is known as Vy. The height of climb in the shortest time.