The ISA temperature at a specific altitude follows a standard atmospheric model. For instance, at 10,000 feet, it’s typically around -5°C. ISA provides a baseline for understanding temperature changes with altitude in aviation and meteorology. It’s crucial for aircraft performance calculations and ensuring safe flight operations.
ISA Temperature Altitude Calculator
| Altitude (feet) | Altitude (meters) | ISA Temperature (°C) | ISA Temperature (°F) |
|---|---|---|---|
| Sea Level | 0 | 15.0 | 59.0 |
| 2,000 | 610 | 13.5 | 56.3 |
| 5,000 | 1,524 | 7.5 | 45.5 |
| 10,000 | 3,048 | -5.0 | 23.0 |
| 20,000 | 6,096 | -15.0 | 5.0 |
| 30,000 | 9,144 | -25.0 | -13.0 |
| 40,000 | 12,192 | -35.0 | -31.0 |
FAQs
How do you find the temperature of altitude using ISA? The International Standard Atmosphere (ISA) provides a standard temperature profile for various altitudes. To find the temperature at a specific altitude using ISA, you can refer to the ISA table or use the ISA formula.
How do you calculate temperature at altitude? You can calculate the temperature at altitude using the ISA formula mentioned above.
What is the ISA temp at 7000 ft? The ISA temperature at 7000 feet (approximately 2134 meters) is around 7.5°C or 45.5°F.
What is the ISA temperature model? The ISA temperature model is a standard atmospheric temperature profile used in aviation and meteorology to approximate temperature changes with altitude. It provides a baseline for understanding how temperature varies with height in the Earth’s atmosphere.
What is the temperature of the ISA at 2000 ft? The ISA temperature at 2000 feet (approximately 610 meters) is around 13.5°C or 56.3°F.
What is ISA altitude? ISA altitude refers to an altitude within the International Standard Atmosphere, which is a standardized model used to describe how temperature, pressure, density, and other atmospheric properties change with altitude under average conditions.
What is the 4% rule ISA? The 4% rule in ISA is not a standard term in aviation or meteorology. It may be a reference to a specific context or calculation method not widely recognized.
What is ISA in math? In math, ISA typically stands for “Individual Student Assessment,” referring to assessments or tests designed to evaluate the performance and knowledge of individual students.
How much temperature difference per altitude? The temperature decreases by approximately 2°C (3.6°F) for every 1,000 feet (or 300 meters) of altitude gain in the lower layers of the Earth’s atmosphere, following the ISA standard lapse rate.
What is the rule of thumb for temperature altitude? The rule of thumb for temperature and altitude is that temperature decreases by about 2°C (3.6°F) for every 1,000 feet (or 300 meters) increase in altitude in the troposphere under standard atmospheric conditions (ISA).
How much does temperature change with altitude? As a general rule of thumb, the temperature decreases by approximately 2°C (3.6°F) for every 1,000 feet (or 300 meters) increase in altitude within the troposphere under standard atmospheric conditions (ISA).
How is the ISA calculated in aviation? ISA is calculated based on the standard temperature lapse rate of -0.0065 K/m in the troposphere. Using the ISA formula mentioned earlier, you can calculate the temperature at any given altitude.
What is the ISA temperature at 10000 feet? The ISA temperature at 10,000 feet (approximately 3,048 meters) is around -5°C or 23°F.
What is the difference between OAT and ISA? OAT (Outside Air Temperature) is the actual temperature measured by an aircraft’s temperature probe, while ISA (International Standard Atmosphere) is a standardized model that provides the expected temperature at various altitudes under average atmospheric conditions.
What is ISA model? The ISA model, or International Standard Atmosphere model, is a standard representation of how atmospheric properties like temperature, pressure, and density change with altitude. It is used in aviation and meteorology for reference and calculation purposes.
What is the temperature at the ISA at FL350? The ISA temperature at Flight Level 350 (FL350), which is approximately 35,000 feet (10,668 meters) above sea level, is around -54°C or -65°F.
What is the lowest assumed temperature in ISA? The lowest assumed temperature in the ISA model typically occurs at the tropopause, which is around 36,090 feet (11,000 meters) above sea level, and it is approximately -56.5°C or -69.7°F.
What is the temperature at 6000 feet? The temperature at 6,000 feet (approximately 1,829 meters) under standard ISA conditions is around 7°C or 44.6°F.
How cold is it at 40,000 feet? At 40,000 feet (approximately 12,192 meters) under standard ISA conditions, the temperature is approximately -40°C or -40°F.
What is the standard temperature at 4,000 feet? The standard temperature at 4,000 feet (approximately 1,219 meters) is approximately 9°C or 48.2°F under ISA conditions.
What is the temperature in comparison to ISA conditions at 30,000 feet? At 30,000 feet (approximately 9,144 meters) under standard ISA conditions, the temperature is approximately -30°C or -22°F.
What is the ISA temperature value at FL 330? The ISA temperature at Flight Level 330 (FL330), which is approximately 33,000 feet (10,058 meters) above sea level, is around -50°C or -58°F.
What does the ISA stand for pressure? ISA typically stands for International Standard Atmosphere when referring to atmospheric properties like temperature, pressure, and density.
What is the 30-day ISA rule? I’m not aware of a specific “30-day ISA rule” in aviation or meteorology. It may refer to a specific regulation or guideline in a particular context.
How long should you hold an ISA? Holding an ISA (International Standard Atmosphere) refers to maintaining a particular altitude and airspeed in aviation. There is no specific time duration associated with holding an ISA; it depends on the pilot’s instructions and the specific flight plan.
What happens if you break the ISA rules? ISA rules, such as maintaining specific altitudes and airspeeds, are important for flight safety and efficiency. Deviating from these rules without proper authorization can lead to safety risks and may result in disciplinary action for pilots.
Why use ISA? ISA is used as a standard reference in aviation and meteorology to provide a consistent basis for understanding and predicting atmospheric conditions at various altitudes. It helps pilots, engineers, and meteorologists make calculations and plan for flight and engineering tasks.
Is the ISA test important? The importance of the ISA test depends on the context. In aviation, an ISA test could refer to a test related to International Standard Atmosphere knowledge, which is crucial for pilots and aviation professionals to understand atmospheric conditions and plan flights safely.
What are the ISA scores? ISA scores can refer to various scores depending on the context, such as scores on International Standardized Assessments or other standardized tests. It’s essential to specify the context for a more accurate explanation.
What is the air temp at 35,000 feet? At 35,000 feet (approximately 10,668 meters) under standard ISA conditions, the air temperature is approximately -53°C or -63°F.
How cold is it at 13,000 feet below sea level? At 13,000 feet below sea level (approximately 3,962 meters underwater), the temperature would be close to the average temperature of the surrounding water, which is typically above freezing point, depending on the depth and location of the water.
How cold is it at 12,000 feet below sea level? At 12,000 feet below sea level (approximately 3,658 meters underwater), the temperature would still be influenced by the temperature of the surrounding water, but it would generally be above freezing point.
How do you calculate temperature difference? To calculate the temperature difference between two temperatures, subtract the lower temperature from the higher temperature. For example, if you have temperatures of 20°C and 10°C, the temperature difference is 20°C – 10°C = 10°C.
How is temperature distributed with altitude? Temperature generally decreases with increasing altitude in the troposphere, the lowest layer of the Earth’s atmosphere. This decrease follows the standard lapse rate of approximately 2°C (3.6°F) per 1,000 feet of altitude gain under ISA conditions.
What is the temperature correction for high altitude? The temperature correction for high altitude typically involves adjusting for the decrease in temperature with increasing altitude. This correction is important in aviation and engineering to account for temperature variations at different altitudes when making calculations.
Does 1000 ft elevation make a difference? Yes, a 1000-foot (approximately 305-meter) increase in elevation can make a noticeable difference in temperature, particularly in the troposphere. On average, the temperature drops by about 2°C (3.6°F) for every 1000 feet of elevation gain under standard atmospheric conditions (ISA).
What is the temperature at 60,000 feet? At 60,000 feet (approximately 18,288 meters) under standard ISA conditions, the temperature is extremely low, around -57°C or -70.6°F.
How cold is it at 15,000 feet? At 15,000 feet (approximately 4,572 meters) under standard ISA conditions, the temperature is approximately -23°C or -9.4°F.
What is the effect of ISA deviation on true altitude? Deviation from ISA conditions can affect true altitude calculations, as variations in temperature and pressure from the standard ISA conditions can lead to errors in altitude measurements. True altitude is the actual altitude above sea level, corrected for non-standard conditions.
What is ISA in Foreflight? ForeFlight is a popular flight planning and navigation app used by pilots. ISA (International Standard Atmosphere) data in ForeFlight provides standard atmospheric conditions for altitude and weather calculations during flight planning.
What is the temperature at 37,000 feet? At 37,000 feet (approximately 11,278 meters) under standard ISA conditions, the temperature is approximately -52°C or -61.6°F.
How much does air temperature change per 1000 feet? The air temperature typically decreases by about 2°C (3.6°F) per 1000 feet (or approximately 305 meters) of altitude gain in the troposphere under standard atmospheric conditions (ISA).
What is the maximum breathable altitude? The maximum breathable altitude for humans without supplemental oxygen is typically considered to be around 18,000 to 20,000 feet (approximately 5,486 to 6,096 meters) above sea level, although individual tolerance can vary.
What is the temp of ISA at FL250? The ISA temperature at Flight Level 250 (FL250), which is approximately 25,000 feet (7,620 meters) above sea level, is around -30°C or -22°F.
What is the standard temperature for density altitude? The standard temperature for density altitude calculations is based on the International Standard Atmosphere (ISA) temperature model, which provides standard temperatures for various altitudes. It is important for aircraft performance calculations.
What is the standard temperature in aviation? The standard temperature in aviation is based on the International Standard Atmosphere (ISA) model, which provides a standard temperature profile for different altitudes. The standard temperature at sea level in ISA is 15°C or 288.15 K.
What are the three types of ISA? There are typically three main layers or types of ISA: Troposphere, Stratosphere, and Mesosphere. Each has its own temperature characteristics and altitude ranges.
What are the five types of ISA? The International Standard Atmosphere (ISA) primarily consists of three main layers: the Troposphere, Stratosphere, and Mesosphere. These layers have distinct temperature profiles. Some sources may refer to additional layers, but the three mentioned are the most commonly recognized.
How does an ISA work? An ISA (International Standard Atmosphere) works as a standardized model that describes how various atmospheric properties like temperature, pressure, and density change with altitude under average conditions. It provides a reference for aviation and meteorology calculations.
What temperature does an aircraft cruise altitude? The temperature at an aircraft’s cruise altitude can vary depending on the altitude, location, and weather conditions. In general, at typical cruising altitudes (e.g., 30,000 to 40,000 feet), the temperature is well below freezing under standard conditions.
Does Mt. Isa get cold in winter? Yes, Mount Isa, a city in Australia, can experience cold temperatures during its winter season, which occurs from June to August. Winter temperatures can vary but may drop to single-digit Celsius temperatures (around 5-15°C or 41-59°F).
How do you calculate true altitude? True altitude is calculated by correcting indicated altitude for non-standard temperature and pressure conditions. The formula is: True Altitude=Indicated Altitude+Altitude CorrectionTrue Altitude=Indicated Altitude+Altitude Correction The altitude correction accounts for deviations from standard atmospheric conditions (ISA).
At what altitude is the temperature lowest? The temperature is typically lowest at the tropopause, which is the boundary between the troposphere and the stratosphere. This boundary varies in altitude but is generally between 36,000 to 56,000 feet (11,000 to 17,000 meters).
How much colder is it at 5,000 feet? At 5,000 feet (approximately 1,524 meters) above sea level, the temperature is typically about 10°C (18°F) colder than at sea level under standard atmospheric conditions (ISA).
How much temperature drop per 1,000 feet of elevation? The temperature typically drops by approximately 2°C (3.6°F) per 1,000 feet (or 300 meters) of elevation gain in the troposphere under standard atmospheric conditions (ISA).
How cold is it at 30,000 feet altitude? At 30,000 feet (approximately 9,144 meters) above sea level under standard ISA conditions, the temperature is approximately -30°C or -22°F.
Why do planes cruise at 36,000 feet? Planes often cruise at around 36,000 feet because it is an optimal altitude for fuel efficiency and speed. At this altitude, air density is lower, reducing drag on the aircraft, and the engines operate more efficiently.
Why do airplanes cruise at 35,000 feet? Airplanes often cruise at 35,000 feet or similar altitudes because it provides a balance between fuel efficiency, altitude clearance, and passenger comfort. This altitude minimizes fuel consumption while maintaining a comfortable cabin pressure.
Can planes fly at 45,000 feet? Yes, some high-performance commercial and military aircraft are capable of flying at or above 45,000 feet. However, such altitudes are typically reserved for specialized missions or supersonic aircraft.
What is the temperature at 5,000 feet altitude? At 5,000 feet (approximately 1,524 meters) above sea level under standard ISA conditions, the temperature is roughly 5°C or 41°F.
What is the temperature at 6,000 feet? The temperature at 6,000 feet (approximately 1,829 meters) under standard ISA conditions is around 7°C or 44.6°F.
What is the ISA temperature at 10,000 feet? The ISA temperature at 10,000 feet (approximately 3,048 meters) is around -5°C or 23°F.
Can a change of 1,000 feet in altitude make a 2-3 degree temperature change? Yes, a change of 1,000 feet in altitude can lead to a temperature change of approximately 2-3 degrees Celsius (3.6-5.4 degrees Fahrenheit) in the troposphere under standard atmospheric conditions (ISA).
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