Most fluids contained in aircraft are dark in color. Maintenance personel are likely to find it easier to identify leaks of substances like fuel, oil and hydraulic fluid against the backdrop of a white surface.
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White paint cools planes and increases resistance to radiation. The use of white paints with high metal oxides content helps protect aircraft. The main reason why aircraft are painted white or light colours is to reflect sunlight and minimise both the heat and any potential damage from solar radiation.
It's a constant balance between safety and efficiency. For example, by removing the mica layer previously used when painting its Boeing 737-800s, American Airlines saves nearly 300,000 gallons of fuel annually. Repainting airplanes is also an opportunity for airlines to distinguish themselves from competitors.
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.
When an airplane experiences less drag, it consumes less fuel. This relationship between speed and fuel consumption means that flying at a slightly slower speed can result in significant fuel savings for airlines, which in turn can lower operating costs and potentially reduce ticket prices for passengers.
Airlines find that fuel dumping can actually be cheaper than not dumping in certain circumstances. But it's not something pilots do on a routine basis. We spoke with Alison Duquette, spokesperson for the Federal Aviation Administration (FAA), who assured us that it doesn't happen very often.
The most common reason is that there are no airstrips or airports on many of the small islands, so if a plane had to make an emergency landing, it would be difficult to find a place to land. Additionally, the Pacific Ocean is vast and remote, so if a plane were to go down, it would be very difficult to find.
Water ( even “glass smooth” water) is not flat. There is a huge danger of hitting a swell and somersaulting, or dipping a wing and cartwheeling. Even with no undercarriage, it is better on land.
The heavier and faster the bird is, the more potential damage there is to the aircraft. Bird strikes almost always damage the forward-facing areas of the aircraft - the windscreen, nose cone, and engines. Bird strikes to the nose cone can cause dramatic damage, but rarely present a reason for the flight to be aborted.
Aerodynamic altitude: If a commercial airliner flies too high, it will encounter less dense air passing over the wings to create lift. This can cause the plane to stall and fall out of control. Depending on the weather conditions and aircraft weight, this can occur anywhere between 40,000 and 45,000 feet.
Rain is just water, no matter the pressure. Modern aircraft can generate lift regardless of the heaviness of the rain. Planes can and will take off and land in the rain. The only real problem with heavy rainfall is the decrease in visibility for the pilots.
One of Delta Air Lines' various special liveries is known as the 'Pink Plane,' as it commemorates the Atlanta-based SkyTeam founding member's partnership with the Breast Cancer Research Foundation (BCRF).