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.
International Standard Atmosphere (ISA) and Pressure Settings. Based on the International Standard Atmosphere for dry air (ICAO 1964), which is defined as under:-. 1. At mean sea level (msl), the pressure = 1013.25 hPa and temperature = 15.0 degC. 2.