Search results
Results from the WOW.Com Content Network
The helicopters circle at a radius of 6 km from the auditorium, changing altitude constantly to create the 'bounce' of the piece. All twelve incoming signals are controlled by the sound crew. [18] The descent lasts five minutes, with the decreasing sound of the rotor blades acting as a background as the quartet re-enter the hall.
They especially recommended the film for fans of director Alan Rudolph, and praised the effects of the low-flying helicopters snatching cows from their pastures at night. [10] John Stanley of Creature Feature also liked the film, giving it 3.5 out of 5 stars. finding it thrilling and enthralling.
Helicopter noise reduction is a topic of research into designing helicopters which can be operated more quietly, reducing the public-relations problems with night-flying or expanding an airport. In addition, it is useful for military applications in which stealth is required : long-range propagation of helicopter noise can alert an enemy to an ...
For premium support please call: 800-290-4726 more ways to reach us
Helicopters are capable of flying with no more than a few feet of clearance below the helicopter's skids or wheels. Fast jets are more constrained and at a typical low-flying speed of 450 knots (830 km/h), 200 feet (61 m) is not unusual and 50 feet (15 m) is possible in relatively flat terrain.
You may notice an increase in military aircraft flying over Miami-Dade County in the upcoming days, but fear not: There is no need to panic. A Department of Defense exercise from Jan. 24-25 will ...
The Kopp–Etchells effect is a sparkling ring or disk that is sometimes produced by rotary-wing aircraft when operating in sandy conditions, particularly near the ground at night. The name was coined by photographer Michael Yon to honor two soldiers who were killed in combat; Benjamin Kopp, a US Army Ranger, and Joseph Etchells, a British soldier.
The fighter aircraft and helicopter responded to a civilian aircraft at 2:25 p.m. Saturday and escorted it to the ground. During the event, the aircraft dispensed flares in an attempt to draw ...