Definition
Manufacturer-published tables and graphs in the Pilot's Operating Handbook (POH) or Airplane Flight Manual (AFM) that show how a specific airplane will perform under given conditions. They are used to calculate values such as takeoff and landing distance, climb rate, cruise speed, fuel burn, and service ceiling for the actual weight, altitude, temperature, wind, and runway conditions on the day of the flight.
Plain English
Charts in the airplane's handbook that let the pilot work out, before takeoff, how the airplane will actually perform that day -- how much runway it needs, how fast it will climb, how far it will fly, and so on -- based on the real conditions outside.
Context Anchor
You use performance charts during preflight planning and before takeoff, especially when checking whether the runway and climb area are suitable for the conditions.
Why Pilots Care
They confirm whether the airplane can clear obstacles, stop on the remaining runway, or meet climb requirements, directly affecting go/no-go decisions and flight safety.
Intuition Check
Performance here does not mean a general opinion of how “good” the airplane is. It means measurable results, such as distance needed, climb rate, speed, or fuel use under stated conditions.
Example Sentence 1
Before departing the high-elevation strip, she pulled out the performance charts and calculated a takeoff distance of 2,400 feet at the current weight and temperature.
Example Sentence 2
Using the landing performance chart, she determined the required runway length for the wet surface and tailwind conditions at the destination airport.