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RFT 485: Takeoff Climb Gradients

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Synopsis

In the airline world, there are a number of new rules, limits, and terms a pilot needs to learn. One area in which a new understanding needs to be had is in the takeoff. Gone are the days when, as a general aviation pilot, you can just eyeball the runway, the load, the airplane, measure the wind with your thumb, and go for it. When you are flying passengers and cargo for hire, you need to be able to comply with the segmented climb. Specifically—-and this is key—-you need to be able to meet the climb requirements on a single engine (assuming you are flying a twin-engine jet) as a result of an engine failure at V1 [takeoff decision speed, but a beyond the scope of this post]. It is assumed that you will meet all the requirements if every engine is running. The first segment is short—it ends when the airplane is airborne and the gear is retracted. Not partially retracted, but fully up-and-locked retracted. The airspeed must be up to V2, commonly known as “takeoff safety speed,” but in technical terms, the speed