All hail Robert Boyle, the inventor of the atmosphere. Really? Well, he was the first to note that the pressure and volume of a gas are inversely proportional at a constant temperature and that led us to the . . .

— James Albright

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Updated:

2012-03-01

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Robert Boyle

. . . "standard atmosphere" which sets the starting point for all things to do with aircraft performance.

1 — International Standard Atmosphere (ISA)

2 — Notes

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1

International Standard Atmosphere (ISA)

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2

Notes

  • Earth's long-term average global temperature is 59°F (15°C)
  • The average decrease in temperature with altitude through the lowest 11 km (approx. 36,000 ft) is roughly 6.5°C per 1000 m (3.6°F or 2°C/1000 ft).

Source: Shein

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References

(Source material)

Aeronautical Information Manual

Shein, Karsten, "Common Sense and Winter Flying," Professional Pilot, Nov 2011