Definition
The set of specific airspeeds an aircraft is designed to be flown at for particular phases of flight or operating conditions, including speeds for takeoff, climb, cruise, maneuvering, approach, landing, and emergency situations such as best glide or never-exceed speed. These speeds are published in the aircraft's Pilot's Operating Handbook (POH) and are often denoted by V-speeds (such as VX, VY, VA, VFE, VNO, VNE).
Plain English
The specific speeds the aircraft maker tells you to fly at during different parts of a flight, like climbing, cruising, turning sharply, or landing. Each one keeps the airplane safe and working the way it was designed to.
Context Anchor
Seen in aircraft handbooks, checklists, and flight training when discussing how to fly a specific airplane safely and efficiently.
Derivation
Operate comes from a Latin root meaning “to work” or “to carry out work.” Airspeed means speed through the air, not speed over the ground. Together, operating airspeeds are the airspeeds used while carrying out the normal work of flying the airplane.
Why Pilots Care
Following these speeds improves fuel economy, reduces engine and airframe stress, and maintains safe margins throughout the flight.
Intuition Check
Do not read operating airspeeds as whatever speed the airplane happens to be flying right now. Here it means the published speed values a pilot uses or respects when operating that specific aircraft.
Example Sentence 1
Before the flight, the instructor reviewed the operating airspeeds for the Cessna 172, including the best rate of climb speed and the approach speed for landing.
Example Sentence 2
During the preflight briefing the instructor emphasized that using the correct operating airspeeds would allow the flight to reach its destination with the planned fuel reserve.