The International Standard Atmosphere (ISA) is a static atmospheric model of how the pressure, temperature, density, and viscosity of the Earth's atmosphere...

The standard atmosphere (symbol: atm) is a unit of pressure defined as 101325 Pa. It is sometimes used as a reference pressure or standard pressure. It...

based on an existing international standard, was first published in 1958 by the U.S. Committee on Extension to the Standard Atmosphere, and was updated in...

Standard Atmosphere, a series of models that give values for pressure, density, and temperature over a range of altitudes The International Standard Atmosphere...

information is specified the U.S. Standard Atmosphere which is identical to the "International Standard Atmosphere" at all altitudes up to 65,000 feet...

Standard Atmosphere is a reference atmospheric model often used by jet manufacturers. It is a derivation and extension of the International Standard Atmosphere...

approximately 1.204 kg/m3 (0.0752 lb/cu ft), according to the International Standard Atmosphere (ISA). At 101.325 kPa (abs) and 15 °C (59 °F), air has a density...

atmosphere. Atmosphere of the Sun Atmosphere of Mercury Atmosphere of Venus Atmosphere of Earth Atmosphere of the Moon Atmosphere of Mars Atmosphere of...

the International Standard Atmosphere as 101325 pascals (760.00 Torr; 14.6959 psi; 760.00 mmHg). This is sometimes referred to as a unit of standard atmospheres...

pressure (after the barometer), is the pressure within the atmosphere of Earth. The standard atmosphere (symbol: atm) is a unit of pressure defined as 101,325 Pa...

will be traveling at approximately Mach 1.25 (425 m/s) under International Standard Atmosphere (ISA) conditions at sea level (air density ρ = 1.225 kg/m3)...

to always reflect the adiabatic compressible flow of the International Standard Atmosphere at sea level. It uses the difference between total pressure...

standards also dictate that temporary hazards to aircraft must be regularly published using NOTAMs. ICAO defines an International Standard Atmosphere...

measurement, the pressure altitude is the imputed altitude that the International Standard Atmosphere (ISA) model predicts to have the same pressure as the observed...

in the International Standard Atmosphere Density altitude – the density of the air in terms of altitude in the International Standard Atmosphere in the...

attenuation in the atmosphere Diffuse sky radiation Extinction coefficient Illuminance International Standard Atmosphere Irradiance Law of atmospheres Light diffusion...

static atmospheric model has a more limited domain, excluding time. A standard atmosphere is defined by the World Meteorological Organization as "a hypothetical...

pressure-dependent, according to the ideal gas law. At sea level in the International Standard Atmosphere (ISA) and at low speeds where air compressibility is negligible...

a flight level (FL) is an aircraft's altitude using the International Standard Atmosphere, expressed in hundreds of feet or metres. The altimeter setting...

under International Standard Atmosphere sea level conditions (air density ρ = 1.225 kg/m3). Improvement beyond this standard while still using standard .375...

slight difference since the Gay-Lussac convention uses the International Standard Atmosphere value for temperature, 15 °C (59 °F). Mixing two solutions...

it gains about 104 m (114 yd) extra supersonic range under International Standard Atmosphere sea level conditions (air density ρ = 1.225 kg/m3) at a muzzle...

by the Fédération Aéronautique Internationale (FAI), which is an international standard setting and record-keeping body for aeronautics and astronautics...

instrument and position error. When flying at sea level under International Standard Atmosphere conditions (15 °C, 1013 hPa, 0% humidity) calibrated airspeed...

airspeed (EAS) is defined as the airspeed at sea level in the International Standard Atmosphere at which the (incompressible) dynamic pressure is the same...

Mach number. It is also the airspeed at sea level in the International Standard Atmosphere at which the dynamic pressure is the same as the dynamic pressure...

approximate supersonic range of 1,375 m (1,504 yd) under International Standard Atmosphere conditions at sea level and 1,548 m (1,693 yd) at the 1,043 m...

regardless of other variables. As modeled in the International Standard Atmosphere, dry air at mean sea level, standard temperature of 15 °C (59 °F), the speed...

stationary atmosphere at a given time and location. As an average, the International Civil Aviation Organization (ICAO) defines an international standard atmosphere...

altitude is the altitude relative to the standard atmosphere conditions (International Standard Atmosphere) at which the air density would be equal to...