Airspace
Special Use Airspace
METARs & TAFs
Winds Data
Air Masses & Systems
100

If Class E airspace starts at 700' AGL, this airspace would be found below it

What is Class G

100

These special use airspaces are depicted with blue outlines with blue slashes along the line on aeronautical charts

What are Warning, Prohibited and Restricted Areas

100

1115115Z means this in a METAR

What is the 11th day of the month at 15:15 zulu

100

This means light and variable in a winds aloft table

What is 9900

100

On weather charts, this color of lines typically represents cold fronts

What is Blue

200

This airspace is represented by shaded/transparent magenta lines and sometimes dashed magenta lines on aeronautical charts

What is Class E

200

This special use airspace is often found extending 3 NM outward from the coast of the US

What is Warning Area

200

151218Z 14015KT BR OVC030 in a METAR tells you this wind velocity

What is 15 knots

200

Wind data is given in this direction, relative to North, when written in METARs, TAFs or Winds Aloft tables

What is True direction

200

Warm air masses and cold air masses. Of the two, this air mass is more dense

What is a Cold Air Mass

300

The minimum visibility and cloud clearance required for VFR flight within Class D airspace

What is visibility of 3 SM, 1000' above, 500' below and 2000' horizontal disance from clouds

300

Private Pilots are allowed to fly in these special use airspace, even without a clearance, but should exercise extreme caution when doing so

What is Military Operations Area

300

13/02 in a METAR means this

What is a Temperature of 13 deg C and Dew Point 2 deg C

300

A wind arrow with a two full flag lines on it which point to the North tells us this

What is that winds are at 20 knots from the North

300
A common cloud type seen in an area with a Warm Front

What are Stratus type clouds

400

This is the minimum distance a VFR pilot must maintain above clouds when on an airway below 10,000' MSL

What is 1000'

400
A common place to find more information on special use airspaces such as active times and altitudes

What is the margins of the aeronautical charts

400

221400Z 22007KT BR OVC040. The BR means this

Mist

400

This can be assumed about the temperatures above 24,000 ft MSL in a winds aloft table

What is that they are all negative degrees

400
High Pressure systems in the northern hemisphere spin this direction

What is clockwise

500

At or below 1200' AGL during the day, this is the minimum visibility and cloud clearance for flight in Class G airspace

What is at least 1 SM visibility and clear of clouds

500

The purpose of Military Training Routes is to ensure the greatest practical level of safety for all flight operations and to allow the military to conduct this type of training

What is low altitude, high-speed training

500

WS030 in a METAR or TAF means this

What is wind shear at 3000 feet

500

740948 in a winds aloft table tells us the wind direction is from

What is 240 deg true

500

Unstable air will have this characteristic that is greater than the standard atmosphere

What is temperature lapse rate