Definition
The combined body of operating data and boundaries published for a specific aircraft, covering what it can do (performance — takeoff distance, climb rate, cruise speeds, fuel burn, range, landing distance) and what it must not exceed (limitations — maximum weights, airspeed limits, load factors, center of gravity range, engine and system operating restrictions). Both sets of figures are established by the manufacturer, approved by the FAA, and published in the Pilot's Operating Handbook (POH) or Airplane Flight Manual (AFM).
Plain English
The numbers that tell the pilot how the airplane will behave (performance) and the rules that say how far it can be pushed before damage or loss of control becomes likely (limitations). One side describes capability; the other side draws the line.
Context Anchor
You will see this in flight instructor training, airplane handbook discussions, preflight planning, and any decision about whether a flight can be made safely.
Derivation
Performance comes from a word meaning “to carry out” or “to complete.” Limitation comes from a word meaning “boundary.” Together, the phrase points to what the airplane can carry out and the boundaries it must stay within.
Why Pilots Care
Knowing an aircraft's performance and limitations prevents overloading, runway overruns, and loss of control in marginal conditions.
Intuition Check
Do not read performance as “how good the pilot is.” Here it means what the airplane can do. Do not read limitations as casual suggestions; in aviation they are operating boundaries that must be respected.
Example Sentence 1
Before each lesson, the instructor required the student to calculate takeoff and landing performance for the day's conditions and confirm the aircraft would be operated within all published limitations.
Example Sentence 2
Before accepting a passenger load, the pilot checked the aircraft's performance and limitations to confirm adequate climb performance after takeoff.