best range speed

best range speed (VIMR)

best range speed (VIMR)click for a larger image
The speed that gives the maximum number of air miles for each unit by weight of fuel (if the wind is not considered). It is the speed at which the tangent from the origin meets the power-required curve.
References in periodicals archive ?
An airplane's best range speed is the one covering the greatest distance for each pound (or gallon, or tank) of fuel.
Another factor affecting best range speed is the wind.