Flight Planning

معدل انخفاض درجة الحرارة بالمعيار الجوي

The rate at which temperature decreases with altitude under standard atmospheric conditions, 2 °C per 1000 ft or 6.5 °C per 1000 m.

Quick answer: The rate at which temperature decreases with altitude under standard atmospheric conditions, 2 °C per 1000 ft or 6.5 °C per 1000 m.

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Languages

Quick answer

The rate at which temperature decreases with altitude under standard atmospheric conditions, 2 °C per 1000 ft or 6.5 °C per 1000 m.

Why it matters

معدل انخفاض درجة الحرارة بالمعيار الجوي matters because it supports clear communication in Flight Planning contexts for Pilots, Air Traffic Controllers, and Cabin Crew. It also connects to aviation training and exam language such as ICAO Level 4, ICAO Level 5, ICAO Level 6, and EASA FCL.055.

Editorial context

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Questions and answers

Questions and answers

What is معدل انخفاض درجة الحرارة بالمعيار الجوي?

In this glossary, معدل انخفاض درجة الحرارة بالمعيار الجوي refers to: The rate at which temperature decreases with altitude under standard atmospheric conditions, 2 °C per 1000 ft or 6.5 °C per 1000 m.

How is معدل انخفاض درجة الحرارة بالمعيار الجوي used in aviation?

In aviation communication, this term appears in contexts such as: "الطيار: وفقًا لمعدل انخفاض درجة الحرارة للغلاف الجوي القياسي، انخفضت الحرارة اثني عشر درجة أثناء الصعود."

Why does معدل انخفاض درجة الحرارة بالمعيار الجوي matter in aviation?

معدل انخفاض درجة الحرارة بالمعيار الجوي matters because it supports clear communication in Flight Planning contexts for Pilots, Air Traffic Controllers, and Cabin Crew. It also connects to aviation training and exam language such as ICAO Level 4, ICAO Level 5, ICAO Level 6, and EASA FCL.055.

Who uses معدل انخفاض درجة الحرارة بالمعيار الجوي?

معدل انخفاض درجة الحرارة بالمعيار الجوي is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.

What category does معدل انخفاض درجة الحرارة بالمعيار الجوي belong to?

In this glossary, معدل انخفاض درجة الحرارة بالمعيار الجوي is grouped under Flight Planning. Related pages in this category explain adjacent procedures, commands and operational concepts.

Where does this definition come from?

This definition is sourced from ICAO Doc 9432, FAA PCG and published by Protermify Aviation as a static aviation reference page.

Definition

The rate at which temperature decreases with altitude under standard atmospheric conditions, 2 °C per 1000 ft or 6.5 °C per 1000 m.

Operational example

Pilot: According to standard‑atmosphere temperature lapse rate, temperature has dropped by twelve degrees during climb.

Localized term

معدل انخفاض درجة الحرارة بالمعيار الجوي

Localized example

الطيار: وفقًا لمعدل انخفاض درجة الحرارة للغلاف الجوي القياسي، انخفضت الحرارة اثني عشر درجة أثناء الصعود.

Definition language

English reference definition

Source

ICAO Doc 9432, FAA PCG

Category

Flight Planning

Exam relevance

  • ICAO Level 4
  • ICAO Level 5
  • ICAO Level 6
  • EASA FCL.055

Target audience

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

Related terms

Use the related links below to continue through connected aviation terminology.

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