Search results
Results from the WOW.Com Content Network
3 forming effect. Aircraft sulfur and water emissions in the stratosphere tend to deplete O 3, partially offsetting the NO x-induced O 3 increases, although these effects have not been quantified. [10] Light aircraft and small commuter aircraft fly lower in the troposphere, not in the tropopause. Contrails and cirrus clouds Contrails and cirrus ...
Noise-generating aircraft propeller. Aircraft noise is noise pollution produced by an aircraft or its components, whether on the ground while parked such as auxiliary power units, while taxiing, on run-up from propeller and jet exhaust, during takeoff, underneath and lateral to departure and arrival paths, over-flying while en route, or during landing.
On an airplane, people sit in a confined space for extended periods of time, which increases the risk of transmission of airborne infections. [1] [2] For this reason, airlines place restrictions on the travel of passengers with known airborne contagious diseases (e.g. tuberculosis).
Size and weight: Small aircraft accumulate ice faster, and more ice per unit area, compared to large aircraft. UAVs are typically smaller than manned aircraft and therefore more sensitive to icing. Furthermore, the added mass from ice accretions can have quick negative effects on UAVs with stringent weight restrictions.
Asiana Airlines Flight 214 tail wreckage due to the crash. The July 6, 2013, crash of Asiana Airlines Flight 214 was one of many accidents triggered by stress. During the aircraft's final approach to San Francisco International Airport from Incheon International Airport, the plane hit the edge of the runway and its tail came apart, followed by the fuselage bursting into flames.
Auxiliary jets and rockets have rarely been used on civil aircraft due to the risk of aircraft damage and loss of control if something were to go wrong during their use. Boeing did, however, produce a version of its popular Boeing 727 with JATO primarily for "hot and high" operations out of Mexico City Airport ( MMMX ) and La Paz, Bolivia.
The significant negative effects of compressibility made it a prime issue with aeronautical engineers. Sweep theory helps mitigate the effects of compressibility in transonic and supersonic aircraft because of the reduced pressures. This allows the mach number of an aircraft to be higher than that actually experienced by the wing.
The company free cash flow was a negative €8 billion, including the €3.6 billion bribery penalties, similar to the negative €4.3 billion of the previous year without. For the first quarter, Airbus' total adjusted EBIT was halved to €281 million, and it made a net loss of €481 million (compared to a €40 million profit in the previous ...