Accommodating cold temperature restrictions
For colder temperatures, a more accurate correction should be obtained according to the guidance provided in section 4.3 "Temperature corrections".
When temperature is LESS than ISA an aircraft will be LOWER than the altimeter reading.
However, tables are available in literature showing metabolic rates for a variety of activities.
Metabolic heat production is measured in kilo calories (kcal) per hour.
In other cases, grease or self-lubricating materials may reduce or even eliminate troublesome low-temperature problems.
Several pilots had reported that when flying approaches in very low temperatures that they found themselves dangerously close to terrain.Air Temperature: Air temperature is measured by an ordinary thermometer in degrees Celsius (°C) or degrees Fahrenheit (°F).Wind Speed: Different types of commercially-available anemometers are used to measure wind speed or air movement.As a result, machines often cannot start or excessive friction causes a complete failure.Industries and transportation in northern parts of the United States, Europe and Canada are vulnerable to harsh outdoor conditions during winter months.