As part of its agreement to operate the route, the airline agreed that IDF personnel would be allowed to fly from Tel Aviv to Rosh Pinna for free.
HRTF describes how a given sound wave input (parameterized as frequency and source location) is filtered by the diffraction and reflection properties of the head, pinna, and torso, before the sound reaches the transduction machinery of the eardrum and inner ear (see auditory system).