Planes travel along the shortest route in 3-dimensional space. This route is called a geodesic or great circle. While map projections distort these routes confusing passengers, the great circle path is the shortest path between two far locations. This is why pilots fly polar routes saving time and distance.
What does it mean when a plane circles?
Circling. Generally, planes will circle above airports for the same reasons planes sometimes need to perform go-arounds. This could be anything from weather to an incident on the runway. Pilots have to weigh their options between circling for a little while or turning back to land at a different airport.
How do planes fly if the Earth is spinning?
First, as the Earth itself rotates, it takes the air with it (thanks, gravity!). That includes the air through which planes fly. At the equator, the Earth spins about twice as fast as a commercial jet can fly. That rate slows the closer you get to the poles, but regardless, it’s always going to be faster than a plane.
Why do planes do not fly over the Pacific?
The primary reason airplanes don’t fly over the Pacific Ocean is because curved routes are shorter than straight routes. Flat maps are somewhat confusing because the Earth itself isn’t flat. Rather, it’s spherical. As a result, straight routes don’t offer the shortest distance between two locations.
Why are there planes flying over my house?
Why are airplanes flying over my house this week when they haven’t for months? Due to weather or wind conditions, aircraft are forced to use the most suitable runway to make safe landings. This, occasionally, causes the planes to shift traffic patterns and land on runways that are not often used.
What is it called when a plane is waiting to land?
24. There is no generic name in aviation describing the state of an aircraft being hold up and unable to land. The simplest term I have in mind is “circling the airport”. Depending on the way the aircraft is circling the airspace, specific names can be used.
How long can a plane stay in a holding pattern?
There is no time limit. The aircraft may be holding until the pilot requests a diversion, or declares an emergency, which they will do depending on fuel on board.
What if Earth stopped spinning?
If the Earth were to stop spinning on its axis, gradually the oceans would migrate towards the poles from the equator. … You could travel around the Earth on the equator and stay entirely on dry land—ignoring the freezing cold on the night side, and the searing heat on the day side.
Why do planes only fly east?
The jet stream is the real reason your flight time varies depending on the direction of your destination. Jet streams are air currents that happen at very high altitudes, including those which planes frequently fly in. … These jet streams tend to move in a wavy pattern from west to east, aided by the earth’s rotation.
Why do planes look like they’re not moving?
Clouds move or change shape. Our eye muscles are not good at keeping a steady gaze. As result our own movement adds or subtracts to perceived speed of the plane. A similar problem is statues seemingly moving or nodding at believers.
Is it safe to fly over the ocean?
Can a plane land on water in case of an emergency? Yes it can, but it is not designed to do so, and an emergency landing is always better on land at an airport. … However, as long as sea conditions are smooth and the ditching is performed in a proper way, an aircraft can land on the sea and remain afloat.
Why do pilots say heavy?
When a pilot uses the phrase “heavy,” he is reminding ATC that his aircraft is large and requires more separation between it and the aircraft following.
Do planes fly over Everest?
Airplanes often avoid air paths that take them over Mt Everest or the Pacific Ocean. … This is because “the Himalayas have mountains higher than 20,000 feet, including Mt Everest standing at 29,035 feet. However, most commercial airplanes can fly at 30,000 feet.”
How many planes in the sky right now?
Right now (midday, 30 March), according to FlightRadar24, there are around 5,000 planes flying in the sky around the world.
Can a police helicopters see inside your house?
Police Helicopters can see into your home only when looking through a window with the HD color camera. The infrared camera is unable to look through walls, roofs, or structures because it only detects heat given off by an object. It can see if a house, room, or roof is hotter than its surroundings.
What is the lowest altitude a plane can fly?
The Federal Aviation Regulation (FAR) Part 91.119 indicates that, except when necessary for departure or landing, the minimum altitude over urban areas is 1,000 feet above ground level (AGL) and 500 feet AGL over rural areas.