If icing conditions are encountered, is the pilot experienced at operating the aircraft’s deicing or anti-icing equipment? Is this equipment in good condition and functional? For what icing conditions is the aircraft rated, if any?Įvaluation of terrain is another important component of analyzing the flight environment.If there are clouds, is there any icing, current or forecast? What is the temperature-dew point spread and the current temperature at altitude? Can descent be made safely all along the route?.Are there any thunderstorms present or forecast?.Strong winds in mountainous terrain can cause severe turbulence and downdrafts and can be very hazardous for aircraft even when there is no other significant weather. If flying in mountainous terrain, consider whether there are strong winds aloft.Consider the winds at the airports being used and the strength of the crosswind component.Have alternative plans, and be ready and willing to divert should an unexpected change occur. Consider the possibility that the weather may be different than forecast.What are the current ceiling and visibility? In mountainous terrain, consider having higher minimums for ceiling and visibility, particularly if the terrain is unfamiliar. As pilots evaluate the weather for a particular flight, they should consider the following: Earlier it was suggested pilots set their own personal minimums, especially when it comes to weather. Weather is an major environmental consideration. Does the fuel quantity delivered match the fuel quantity ordered?.Does this aircraft have sufficient fuel capacity, with reserves, for trip legs planned?.Can this aircraft operate at the altitudes needed for the trip?.Can this aircraft carry the planned load?.Can this aircraft use the runways available for the trip with an adequate margin of safety under the conditions to be flown?.
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