Register

The Essence Of Flight

More than 500 vendors and exhibitions will be on display at Sun 'n Fun 2018. Sun 'n Fun
Gemini Sparkle

Key Takeaways:

  • The article redefines "essence" in aviation as the total available energy, encompassing chemical fuel, kinetic energy (speed), and potential energy (altitude), which are constantly converted during flight.
  • Crucially, "essence" also includes the pilot's physical and mental state, emphasizing that a depletion of "pilot essence" (e.g., fatigue, hunger) is as critical a safety concern as running out of fuel.
  • Understanding this broader concept of "essence" simplifies complex aerodynamic principles, such as the pitch/power relationship, by focusing on how forces change and convert available energy for safe flight.
See a mistake? Contact us.

While visiting France a few years ago, I found an Aero Club that would let me fly with one of their pilots. At the club I was introduced to M. Bus, a retired businessman. My French was barely better than his English, but we spoke the common language of aviation. The airplane was a Piper Archer, examples of which I’ve flown all over the U.S., and the preflight went smoothly until we checked the fuel level. You’re probably familiar with the small metal “tab” in many fuel tanks indicating a partial fuel level. This Archer’s fuel level was well below the tabs.

“That’s not enough fuel,” I said. In French, “fuel” is “essence.”

Ready to Sell Your Aircraft?

List your airplane on AircraftForSale.com and reach qualified buyers.

List Your Aircraft
AircraftForSale Logo | FLYING Logo
Pilot in aircraft
Sign-up for newsletters & special offers!

Get the latest stories & special offers delivered directly to your inbox.

SUBSCRIBE