Strange things pilots see in the sky

UFO

Many pilots have claimed to have seen UFOs (unidentified flying objects) over the decades – sightings that often involve bright lights or objects flying in formation. For example, in June 1947, pilot Kenneth Arnold claimed to have seen nine glowing blue objects flying in a V formation over Mount Rainier in Seattle, Washington. In November 2018, pilots saw UFOs off the coast of Ireland…

The US government has been studying these unidentified flying objects for years, but instead of aliens, these UFOs are believed to be the result of routine military flight...

V-shaped flying object in the sky

Weathering the storms

Commercial flights typically fly higher than a storm, so planes can sometimes fly above it. "Every storm is different, but low down on the plane, the most common sign is turbulence," said meteorologist and pilot James Aydelott. "High above the storm, as far as I've seen, the flight has been smooth."

The pilot saw the storm as he flew over it.

Rectangular icebergs

NASA pilots spotted a rectangular iceberg while flying over the northern Antarctic Peninsula. Such icebergs look as if they have been intentionally cut and are rarely seen. Of the experience, one pilot told Mysterious Universe: "I thought it was super cool. I usually see icebergs that have pretty straight edges, but I've never actually seen one with two right angles like this."

Square iceberg

Pink lakes

The most famous is Lake Hillier in Western Australia, which has been seen by pilots. There are also pink lakes in British Columbia, Spain, and Canada. The lakes are pink due to high salinity combined with algae that produce carotenoids, or organic pigments, that give the water its pink hue.

Pink lake has high salt content

Geoglyphs can also be seen from the sky.

Geoglyphs are giant drawings on the ground that science has not yet explained. The most famous of these are the Nazca lines in the desert of Peru. Most geoglyphs are large crosses, squares, and circles. These drawings can be found in northern Kazakhstan, Russia, Brazil, Peru, and several other places.

Mysterious drawings visible in the sky

Ever seen lightning strike a plane

It is not uncommon for planes to be struck by lightning. Planes are made of conductive aluminum, but their design ensures that the lightning stays outside the plane. Some private planes are not made of the same materials as commercial planes, so pilots flying them take extreme caution when approaching thunderstorms.

Lightning is the fear of pilots flying small planes.

NASA pilot Conway Roberts described flying an airplane facing lightning in the New York Times: " I was flying at about 30,000 feet over Amarillo and started seeing lightning a few hundred miles ahead. The thunderstorms were creating a giant wall of lightning that was almost constantly going off...".

St. Elmo's Fire

One phenomenon that only a few lucky pilots have seen is St. Elmo's Fire, which resembles lightning.

Elmo's fire is seen outside the cockpit

Unlike lightning, St. Elmo's Fire is not a movement of electricity, but rather a process of shooting electrons into the air, also known as a "corona discharge."

The lights in the sky look like dancing lightning bolts. St. Elmo's fire is usually blue or purple, but can also be green.

Fly Over the Rainbow

Many pilots claim to have flown over a rainbow, but the laws of physics tell us this is impossible. Rainbows are formed when sunlight hits water. Water splits light into its many colors, reflecting them at a 42-degree angle. Since rainbows are only visible at that constant angle, it is impossible to see a rainbow in front of you and then fly over it.

Balloon

High-altitude balloons have been problematic for pilots, as they can interfere with flight sensors and cause other problems. A passenger flight over London (which flew nearly 10,000 feet above the city) once collided with a helium balloon, but fortunately there were no ill effects. However, balloons flying at this height are certainly not something a pilot wants to see at eye level while on a flight.

Drone came too close to plane

Drone

Pilots have seen drones come very close to planes. In London earlier this year, a pilot reported spotting a drone just 6m away from a plane despite strict regulations on drone flying height, flight area...

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