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.