Adverse Weather
Icing
Weather Charts and Reports
En Route Chart Terminology
En Route Procedures
100
The three stages of a thunderstorm
What are cumulus, mature, and dissipating?
100
The meteorological environment in which structural icing is most likely to have the highest rate of accumulation
What is freezing rain?
100
The time that snow began METAR KBNA 211250Z 33018KT 290V260 1/2SM R31/2700FT +SN BLSNFG VV008 00/M03 A2991 RMK RAE42SNB42
What is 1242 UTC?
100
The meaning of a brown airport
What is an airport without approaches?
100
The definition of an MEA
What is the lowest published altitude which meets obstacle clearance requirements and assures acceptable navigational signal coverage?
200
The three requirements in order for a thunderstorm to develop
What are unstable air, a lifting force, and a high moisture content?
200
The precipitation type that indicates freezing rain at higher altitudes
What are ice pellets?
200
The wind speed and direction (Wind and Temperature Aloft Forecast) 846830
What is 340 degrees at 168 knots?
200
The meaning of a localizer symbol depicted on an en route chart
What is a localizer with an additional navigation function?
200
The navigational signal coverage that a MOCA ensures
What is acceptable coverage within 22 NM from the VOR?
300
The distance you should be from a thunderstorm
What is at least 20nm?
300
Where you should fly to if you encounter freezing rain
What is a higher altitude?
300
The maximum wind velocity forecast in the jet stream over Canada
What is 130 knots?
300
The meaning of a shaded brown area
What is Class G airspace up to 14,500 feet MSL
300
The OROCA acronym meaning
What is Off Route Obstruction Clearance Altitude?
400
The duration of a microburst
What is seldom longer than 15 minutes?
400
The four types of structural icing
What are rime, clear, mixed, and frost?
400
The type of weather expected at 12Z in the north central part of South Carolina
What are ceilings less than 1,000 feet or visibility less than 3 miles (IMC)
400
The meaning of a thick Military Training Route (MTR)
What is an MTR that is greater than 5 NM on either or both sides of the centerline?
400
The distance that VORs must be apart for the outer boundary of the primary coverage area to be expanded more than 4 NM
What is 102 NM?
500
The definition of a squall
What is a sudden increase in wind speed by at least 16 knots rising to 22 knots or more, lasting for at least 1 minute
500
The freezing level for the following conditions: Standard temperature lapse rate +12 degrees C at 2,250' MSL
What is 8,250' MSL?
500
The weather forecast that describes prospects for an area coverage of both severe and general thunderstorms during the following 24 hours
What is the convective outlook?
500
The name of an RNAV route on a low altitude en route chart
What is a T route?
500
Where you would find a LF/MF Airway
What are Alaska and coastal Carolina?
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