The concept of "on the fly" is slang for quickly, rapidly, without having time to think it over. When one does something on the fly they do it on the spot right there.
The concept applied in airplanes to fly is called aerodynamics. It involves the study of how air moves around objects in motion, such as airplanes, and how it affects lift, drag, thrust, and weight to enable flight.
The abstract noun form for the verb to fly is flyability, a word for a concept.
scooping a fly
to fly (birds) = af (עף) to fly (in an airplane) = tas (טס)
Fly By Night
Production concept mean that the product will be highly affordable mean the price have low & available everywhere.
The foundation of a particular theory or ethical concept.
It is Spanish for "little fly". Fly is mosca and uses the diminutive ito to mean small.
According to this concept, business is treated as a unit separate and distinct from its owner.
honorable mean is to fly by the wind.
If you mean fly as in fly in an airplane, then yes. It is possible.
It depends what you mean by the term 'ultralight' ! If you mean a scale model of a helicopter that you fly by remote control - no. If you mean a full-size helicopter you actually sit in to fly - yes.