Knee meniscus tear A meniscus tear, damage to a piece of cartilage in the knee, causes pain and swelling. Cellulitis Cellulitis, a bacterial infection of the skin, causes red, tender skin that is usually swollen and warm. Insect bites Redness, swelling, pain, itching, bumps are common symptoms of insect bites.
|. International Standard Atmosphere (ISA) is a model used for the standardization of aircraft instruments. It was established, with tables of values over a range of altitudes, to provide a common reference for temperature and pressure. Flying in ISA-plus temperatures will have a negative impact on aircraft performance.
Standard Atmosphere (ISA). An average atmosphere based on the following characteristics: -A surface temperature of 15 deg C (59 deg F) and a surface pressure of 1013.25 mb (29.92 in. Hg.) at sea level, -A lapse rate in the troposphere of approx.2 deg C per 1,000 ft, -A tropopause of approx.hat portion of the atmosphere between the earth's surface and approximately 36,000 ft MSL. The average troposphere is characterized by decreasing temperature with height, and is the atmospheric layer where the great majority of clouds occur.