Definitions for "Noise Level"
Keywords:  decibel, psu, dba, quiet, trouble
The volume of noise energy, expressed in decibels, above a reference level.
the amplitude level of the undesired background noise
Acoustical decibel level of a source of noise, measured according to the applicable ISO standard.
Keywords:  yup, glide, restart, flights, fly
Yup - there is some noise. After all, you do have a motor on your back! But, you can stop and restart it during your flights. Fly a bit, glide a bit... It's all up to you