pesticide spraying on planes, on landing or take off

The World Health Organization and the International Civil Aviation Organization stipulate two approaches for aircraft disinsection– (1) spray the aircraft cabin with an aerosolized insecticide while passengers are on board or (2) or spray or treat the aircraft's interior surfaces with a residual insecticide (residual ...

1. What do they spray on planes before landing?
2. Why do they spray planes before take off?
3. Why are planes sprayed after landing?
4. What helps an airplane take off and remain in flight?
5. What is the dirtiest part of an airplane?
6. Does spraying planes with insecticide reduce the spread of diseases?
7. Why do planes not freeze at altitude?
8. How long does deicing last on a plane?
9. Do airlines spray pesticides on passengers?
10. Do planes drop fuel before landing?
11. Why do pilots throw water?
12. What's the green stuff they spray on airplanes?

What do they spray on planes before landing?

The process is known as disinsection and is required on flights to and from certain destinations to prevent infectious and contagious diseases, a Civil Aviation Authority spokesman said. It's mainly sprayed in countries where diseases such as malaria and yellow fever are spread by insects, including mosquitoes.

Why do they spray planes before take off?

It's not uncommon to see planes being sprayed before takeoff. The spray is a heated mixture of glycol and water. It has a lower freezing temperature than just water. This breaks off ice already formed and prevents more from building up.

Why are planes sprayed after landing?

The spraying of airplanes as they land is a tradition known as the “water salute.” As explained by Wikipedia, it's performed for ceremonial purposes, such as the retirement of an airplane. When an airplane makes its final flight, it's honored with the water salute once it lands on the tarmac.

What helps an airplane take off and remain in flight?

Four forces keep an airplane in the sky. They are lift, weight, thrust and drag. Lift pushes the airplane up. The way air moves around the wings gives the airplane lift.

What is the dirtiest part of an airplane?

Per the "Marketplace" report, the five dirtiest surfaces of airplanes are seat belts, tray tables, washroom handles, seat pockets, and headrests. The study issued the following conclusions: Seat belts had mold and yeast found on one-third of collected samples.

Does spraying planes with insecticide reduce the spread of diseases?

According to the Centers for Disease Control and Prevention (CDC), there is no evidence to show that using insecticide to kill mosquitoes inside aircraft cabins is effective in preventing introduction and spread of mosquito-borne diseases.

Why do planes not freeze at altitude?

The absence of water in colder temperatures means there is nothing to form ice from. ... At an altitude of 35,000 feet, however, the clouds are made of ice crystals so no supercooled droplets exist thus, airplanes do not face icing issues.

How long does deicing last on a plane?

De-Icing fluid is really only meant to remove contaminants at the outset. Anti-icing, on the other hand, allows for longer periods between application and take-off, from as little as nine minutes in very cold and snowy weather to as much as 160 minutes.

Do airlines spray pesticides on passengers?

The World Health Organization and the International Civil Aviation Organization stipulate two approaches for aircraft disinsection– (1) spray the aircraft cabin with an aerosolized insecticide while passengers are on board or (2) or spray or treat the aircraft's interior surfaces with a residual insecticide (residual ...

Do planes drop fuel before landing?

In most cases, airlines only dump air in midair immediately before landing. They don't do it before or during takeoff, nor do they do it halfway through their flight. Rather, airlines may dump some of their airplane's excess fuel immediately before landing so that it lowers the weight of their aircraft.

Why do pilots throw water?

The water salute is a touching airport tradition to honor military veterans, foreign dignitaries and new airline service. Salutes typically involve two firefighting rigs spraying arcs of water over an arriving or departing flight. It is a sign of respect, honour and gratitude.

What's the green stuff they spray on airplanes?

Whenever snow, ice, or even frost has accumulated on the aircraft, the pilots call on the airport deicing facility to have it removed. Deicing fluid, a mixture of a chemical called glycol and water, is generally heated and sprayed under pressure to remove ice and snow on the aircraft.