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2026_Weather_SectionalChartsV2.pptx
2026_Weather_SectionalChartsV2.pptx
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Weather/ Reading Sectional Charts Understanding airspace and aeronautical maps 1
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UAS operators are REQUIRED to obtain prior authorization before operating in any* controlled airspace *except for some class E airspaces 2
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Relevant Acronyms AGL: Above Ground Level MSL: Mean Sea Level, elevation above sea level Source: www.flyeye.io/drone-acronym-agl/ 4
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Class A Airspace FL 180 ft MSL – FL 600 ft MSL 5
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• Common traffic advisory CTAF frequency • Automatic terminal ATIS information service • Automated weather AWOS observing information • Automated surface ASOS observing information Elevation 8
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Class B Airspace SFC– 10,000 MSL B = BIG B = BUSY 10
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Solid blue lines on a sectional chart 11
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Logan International Airport, Boston, MA 12
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Logan International Airport, Boston, MA 70 70 30 𝑆𝐹𝐶 • All altitudes are in MSL unless indicated in parentheses • SFC = surface • Add 00 to numbers 13
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San Francisco International Airport Would you need prior authorization to fly around this tower? 14
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Class C Airspace SFC– 4,000 AGL 4000 AGL 1300 AGL 5 NM 10 15 NM
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Solid magenta lines on a sectional chart 17
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Syracuse Hancock Intl 44 16 44 𝑆𝐹𝐶 • All altitudes are in MSL unless indicated in parentheses • SFC = surface • Add 00 to numbers 18
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Class D Airspace SFC– 2,500 AGL 19
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Dubuque Regional Airport, Iowa 36 Airspace ceiling is 3600 ft MSL Blue-dashed line 20
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Class E Airspace 1 SFC– (designated) 2 700+ ft AGL 3 1200 ft AGL not designated 21
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Class E surrounding Class C airspace 22
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Class G Airspace All uncontrolled airspace up to 1200 AGL FAA provides no services 23
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41 CLASS C 16 718’ MSL 400’ 318’ MSL 24
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#3 According to 14 CFR part 107 the remote pilot in command of a small unmanned aircraft planning to operate within Class C airspace… a.Is required to receive ATC authorization. b.Is required to file a flight plan with FAA. c.Must use a visual observer. 25
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700 ft AGL 798’ MSL 400’ Class E non- designated 398’ MSL 26
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WEATHER and FLIGHT 27
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The RPIC is REQUIRED to check the weather before flight SkyVector Flight Aviation Planning Weather Center 28
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Convective SIGMETs: significant meteorological information. Severe thunderstorm 29
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METAR: meteorological aerodrome report 30
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Station Automated location report 15th day of month 12:35 zulu 31
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Winds coming from 10° TRUE Visibility is 10 statute Speeds of 11 knots miles Overcast with cloud ceiling at 1100 ft AGL 32
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Temperature °C Dewpoint (M = minus) Calculate cloud ceiling * 1000 ft * 1000 ft 33
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50’ * 1000 300’ * 1000 = 400 ft AGL You cannot fly under these conditions 50’ because regulations state you must be 500 ft below the cloud base. 34