Definition
The combined pattern of an airplane's vertical and horizontal track through the air (the flightpath) and its airspeed at each point along that track. A flightpath-airspeed profile describes how altitude, climb or descent angle, and airspeed change together through a maneuver or phase of flight, such as takeoff, climb, cruise, approach, and landing.
Plain English
It's the picture of where the airplane is going and how fast it's flying at each stage. Together, the path it traces through the sky and the airspeed at each point form the profile.
Context Anchor
Seen in maneuver training, approach practice, landing discussions, and any lesson where the pilot is expected to fly a specific path at a specific speed.
Derivation
Profile' comes from the Italian profilo, meaning a side view or outline. In aviation it's used the same way — a side-on picture of the airplane's path through the air, with airspeed values attached at each point.
Why Pilots Care
Following the correct profile keeps the airplane inside its safe performance limits and prevents an unintentional stall or loss of control.
Grounding Statement
On final approach, the pilot is watching both the airplane’s path to the runway and the airspeed, not just one or the other.
Intuition Check
Do not read “profile” here as just a picture or a general description. In this context, it means the expected path-and-speed pattern the pilot is trying to fly.
Example Sentence 1
The instructor briefed the flightpath-airspeed profile for a short-field landing: a steady descent on a steeper approach angle at the manufacturer's recommended approach speed.
Example Sentence 2
Deviating from the recommended flightpath-airspeed profile on final approach can result in an unstabilized descent.