Haze. Slight fog caused by the presence of solid matter such as dust, smoke, or hydroscopic particles carrying a deposit of water in air not saturated with water vapour.
Soaring pilots quickly become aware of land features which can generate thermals; and of visual indications of thermals such as soaring birds, cumulus clouds, cloud streets, dust devils, and haze domes.
Bright runway lights on a wide runway make you feel closer to the ground; dim lights in haze on a narrow runway may because you to descend below the glide slope.
Your worst landing will be when you follow the landing light into the ground.
For aviation purpose, a ceiling is the lowest layer of clouds reported as being broken (BKN) or overcast (OVC), or the vertical visibility into an obscuration like fog or haze.
The lack of a good external horizon (due to snow, sloping mountains, haze) will sometimes create altitude and airspeed problems.
Now, check the weather: There should be little or no wind, good visibility (no haze) and at least a 3,000 foot ceiling. Avoid the time around sunset if your active runway is 22 to 33! And, have as few friends around as possible.
During the day, EVS penetrates haze, fog, smoke and precipitation up to 10 times farther than the unaided human eye. On the ground, EVS allows pilots to see animals or unlit obstacles during night taxi or takeoff.
Using the example above, the selected flight altitude of 3,500 feet MSL provides you with an approximate visibility of 10 miles due to a light haze. While enroute, you find yourself unable to determine your exact position. Climb to 5,500 feet MSL.
The visibility and terrain are pretty fantastic for someone used to flying on the East Coast where 5 miles in haze is common during the summer, and 30 miles visibility is a clear day. Here, we're probably seeing close to 100 miles.
Pilots wishing to use GPS to navigate in instrument (IFR) conditions like rain, snow, heavy haze, or low clouds, ...
Trying to maintain altitude in a steep turn by referencing the actual horizon is difficult. Haze, mountains, clouds and other conditions can make the horizon difficult to see. Therefore, you need a more reliable source of pitch information.
First, we’re going to hold our compass heading as exact as we can—when you’re plowing through the haze, even one degree off is too much.
Perfect flying weather -- no major clouds, no major haze.
CD-ROM - Compact disc read-only memory.
CDU - Control-display unit.
Centre-pod configuration - A type of airplane whose fairly short fuselage is not connected to the tail surfaces.
Haze of course makes it worse. When you switch from looking inside the cockpit to looking outside, you should take a moment to focus on something far away – a wingip, perhaps – before you begin scanning a featureless sky.
CAVU
Ceiling And Visibility Unlimited. Perfect flying weather -- no major clouds, no major haze.
CB
Cumulonimbus ...
Weather, measured ceiling two thousand overcast, visibility three, haze, smoke, temperature seven one, dew point five seven, wind two five zero at five, altimeter two niner niner six.
If the fog is very bad, land at the -earliest opportunity. It is on account of fog that the pilot avoids river valleys where frequently there is a haze from the ground up to a height of 700 ft.
 See also: Aircraft, Flight, Aviation, Pilot, Speed
  
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