Aircraft make noise any time they fly. They make less noise at night because airports have published "noise abatement" procedures pilots follow to keep the people who live around airports happy.
No Aircraft Noise ended in 1999.
No Aircraft Noise was created in 1995.
Henry A. Kumasaka has written: 'Definition of 1992 technology aircraft noise levels and the methodology for assessing airplane noise impact of component noise reduction concepts' -- subject(s): Aircraft noise, Noise spectra, Transport aircraft, Noise reduction, Jet aircraft
If a tree falls in the forest, does it make sound? Of course planes make noise at night. But if you are fast asleep, or otherwise not attending to the sound, then they seem not to be there.
Many people who live in big cities and near a major airport do not hear aircraft noise during the main sleeping times of midnight and daybreak. The local Laws do not allow jet aircraft to fly between those times so people can get some sleep. In those places that have Medical Evacuation Teams who also work at night there will be the quieter turboprop aircraft flying. There are even some cities that have Police Air wings operating helicopters even at night
All aircraft will make some noise, it all depends on the type of aircraft and the distance to the observer (listener) Gliders are silent, until they become close to ear shot.
the otter
Yes donkeys always make noises but not for the whole night they will fall asleep avanchaly
it makes that clicking noise because you touch yourself at night
Yes, some make lots of noise at night, if you go to bed with the lights on in the area where your budgies are they will scream & chirp all night. If you turn the lights off then the budgie will be calm & quiet at night, SO KEEP YOUR LIGHTS OFF AT NIGHT!!
Myles Simpson has written: 'Anaylsis of interior noise ground and flight test data for advanced turboprop aircraft applications' -- subject(s): Control systems design, Noise reduction, Aircraft compartments, Aircraft noise, Turboprop engines, Turboprop aircraft, Ground tests, Engine noise 'Noise barrier design handbook' -- subject(s): Traffic noise, Absorption of sound, Highway planning, Noise control
yes and no. they like to play and make noise at night