Charts, Airspace & Navigation
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Charts, Airspace & Navigation AAAA Commercial Pilot Ground School Objectives To review latitude and longitude on Sectional Charts. To review time zones of flight and convert to UTC. To identify and explain items on Sectional Charts. To use Sectional Charts for navigation. To identify the different airspace on Sectional Charts. To explain the characteristics of different airspace. To list the requirements for flying in different airspace. To answer the questions on the Knowledge Test. AAAA Education Foundation 2 Overview Longitude & Latitude Time Zones Charts and Topography Airspace Pilotage Plotting Courses Magnetic Variation GPS AAAA Education Foundation 3 Latitude & Longitude Latitude = Parallel (around) Longitude = Meridian (up & down) Increment Degrees (denoted by a °) Minutes (60 minutes/degree, denoted by ’) Seconds (60 seconds/minute, denoted by”) What are GPS increments? AAAA Education Foundation 4 Latitude / Parallels AAAA Education Foundation 5 Longitude / Meridians AAAA Education Foundation 6 Longitude / Meridians International Date Line = 180° 180° North 90° West Pole 90° East AAAA Education0° Foundation 7 Greenwich, England Read Latitude and Longitude Latitude 36° Longitude linesLongitude 106 105 ° ° 35°20’ North 105°37’ West AAAA Education35 Foundation° 8 Finding Latitude/Longitude How high is the peak at 36°18’N, 110°03’W? AAAA Education Foundation 9 Latitude & Longitude Exercise Answers are: 1. a 2. c 3. b 4. b 5. b AAAA Education Foundation 10 Aviation Time Aviation time is Zulu (Z) based on Greenwich Mean Time (GMT) expressed in 24 hour clock i.e. 1600Z = 4:00pm GMT = 9:00am MST or 10am MDT AAAA Education Foundation 11 Time Zones AAAA Education Foundation 12 U.S. Time Zones AAAA Education Foundation 13 Conversion to Zulu/UTC time Eastern Standard Time – add 5 hrs Eastern Daylight Time – add 4 hrs Central Standard Time – add 6 hrs Central Daylight Time – add 5 hrs Mountain Standard Time – add 7 hrs Mountain Daylight Time – add 6 hrs Western Standard Time – add 8 hrs Western Daylight Time – add 7 hrs AAAA Education Foundation 14 Time Conversion Exercise Answers are: 1. c 2. b 3. c 4. a AAAA Education Foundation 15 Charts & Topography World Aeronautical Charts (WAC) Appropriate for moderate speed aircraft 1:1,000,000 scale (1” = 13.7 NM) Sectional Aeronautical Charts Appropriate for slow/medium speed aircraft 1:500,000 scale (1” = 6.86 NM) VFR Terminal Area Charts For Class B Airports 1:250,000 (1” = 3.43 NM) AAAA Education Foundation 16 Sectional Chart vs. VFR Terminal Area Chart AAAA Education Foundation 17 Information on Sectional Charts AAAA Education Foundation 18 Airport Information AAAA Education Foundation 19 Obstruction Symbols Both elevation and heights for obstacles are shown on sectionals. 2049 = top of obstruction in MSL (1149) = height of obstruction above ground (AGL) AAAA Education Foundation 20 Contour Lines & Shading AAAA Education Foundation 21 Contour Lines AAAA Education Foundation 22 Maximum Elevation Figures Shown in thousands & hundreds of feet The maximum elevation figure is based on the highest known feature in each quadrangle, including terrain and obstructions. AAAA Education Foundation 23 Charts & Topography Exercise Answers are: 1. c 2. c 3. c 4. c 5. c 6. b 7. c AAAA Education Foundation 24 Airspace Controlled Airspace Class A Class B Class C Class D Class E Uncontrolled Airspace Class G Special Use Airspace AAAA Education Foundation 25 Airspace on Sectionals AAAA Education Foundation 26 Class A Airspace Altitude or Above 18,000 ft MSL to FL 600 IFR only NOT shown on Sectional Charts IFR charts are available for this airspace AAAA Education Foundation 27 Class B Airspace at Biggest or Busiest airports Upside down wedding cake Inner circle from ground to 10,000 ft MSL 2nd circle from ~2,900 ft AGL to 10,000 ft MSL 3rd circle from ~5,500 ft AGL to 10,000 ft MSL Actual heights depend on elevation of airport Solid blue lines on Sectionals 30 nm veil around all Class B airspace AAAA Education Foundation 28 Class B Airspace Must have permission from ATC to enter Need Mode C Transponder within the 30 nm veil Student pilots can NOT fly in Class B airspace without training and sign off AAAA Education Foundation 29 Class B - Biggest & Busiest Surface to 10,000 ft. Bands individually tailored Around the nations busiest Airports (12) AAAA Education Foundation 30 Class B Airspace (Denver) 30 NM veil Blue rings of airspace White box Indicates a 1:250,000 airport chart is available AAAA Education Foundation 31 Class C Airspace At Common or Congested airports Must Communicate Upside down, 2 tier wedding cake Inner circle from surface to 4,000 ft AGL Outer circle from ~ 1,200 ft AGL to 4,000 ft AGL Top is 4,000 ft AGL Communication with ATC required Radio & transponder w/ mode C required* Solid magenta lines on Sectionals AAAA Education Foundation 32 *Although required in Class C, ABQ allows balloons there without them. Class C - Communication within 20 miles of outer area 1200 to 4000 above airport elevation C 10 NM radius Surface to 1200 5 NM radius AAAA Education Foundation 33 Class C Airspace Solid magenta lines on Sectionals Ceiling in MSL above a line, Base under the line i.e. 57 = 5,700 top 29 2,900 base AAAA Education Foundation 34 Class D Airspace At airports with operating control tower (When tower is not operating, the airspace become Class E) D is for Dialogue with the tower Single circle up to ~2,500 ft AGL Radio communications required Dashed blue line on Sectionals AAAA Education Foundation 35 Class D - Dialogue with Tower Surface to 2,500 ft. Operational Control Towers AAAA Education Foundation 36 Class D Airspace Airport with operating control tower Dashed blue line on Sectionals Top of airspace is in a box 68 = 6800 ft MSL AAAA Education Foundation 37 Class E Airspace Outside of other airspace or Everywhere Else Goes up to 17,999 ft MSL Floor of airspace is: the surface inside dashed magenta lines at airports 700 ft AGL inside magenta shaded circles 1,200 ft AGL outside magenta shaded circles 14,500 ft MSL outside of blue shaded lines At assigned altitudes inside “zippered” areas AAAA Education Foundation 38 Class E Airspace No special equipment required No communications required VFR flights have visibility and clearance from clouds requirements AAAA Education Foundation 39 Class E - Everywhere Else B C D AAAA Education Foundation 40 Class E Airspace Floor is at the surface inside dashed magenta lines at airports Floor is 700 ft AGL inside magenta shaded circles Floor is 1,200 ft AGL outside magenta shaded circles AAAA Education Foundation 41 Class E Airspace – cont. Floor starts at elevation specified inside “zippered” blue lines Floor starts at 14,500 ft MSL outside of blue shaded area AAAA Education Foundation 42 Class G Airspace (uncontrolled) Hugs the Ground under other airspace, is Government free Surface to 700 ft AGL inside magenta shaded circles 1,200 ft AGL outside magenta shaded circles and inside blue shaded areas 14,500 ft MSL outside blue shaded areas Up to specified altitude inside “zipper” areas AAAA Education Foundation 43 Class G Airspace (uncontrolled) As uncontrolled airspace, no equipment or communication is required. VFR flights have visibility and clearance from clouds requirements AAAA Education Foundation 44 Class G - Government Free, or by the Ground Airports AAAA Education Foundation 45 Class G Airspace Up to 700 ft AGL inside magenta shaded circles Up to 1,200 ft AGL outside magenta shaded circles AAAA Education Foundation 46 Class G Airspace – cont. Surface up to specified altitude inside “zippered” blue lines, i.e. 11,500 MSL Surface up to 14,500 ft MSL outside of blue shaded area AAAA Education Foundation 47 VFR Weather Minimums - Review Visibility Cloud Clearance Class B 3 SM Clear of Clouds Class C 3 SM 1000 ft above / 500 ft below / 2000 ft horizontal Class D 3 SM 1000 ft above / 500 ft below / 2000 ft horizontal Class E <10,000 MSL 3 SM 1000 ft above / 500 ft below / 2000 ft horizontal >10,000 MSL 5 SM 1000 ft above / 1000 ft below / 1SM horizontal Class G Daytime, <1,200 AGL 1 SM Clear of Clouds AAAA Education Foundation 48 Special Use Airspace Prohibited Area No flights permitted Restricted Areas Unusual hazards such as artillery, aerial gunnery, missile firings Permission from controlling agency required to enter AAAA Education Foundation 49 Special Use Airspace – cont. Military Operations Area (MOA) Military training activities Heads up No restrictions, just best to avoid if they are active AAAA Education Foundation 50 Information on Sectionals for: Control Tower Frequencies Restricted Areas MOA - Military Operational Areas AAAA Education Foundation 51 Special Use Airspace – cont. Warning Area International airspace beyond 3 sm of coast Same hazards as restricted areas No flight restrictions Alert Area High volume of pilot training Unusual aerial activity No flight restrictions AAAA Education Foundation 52 Special Use Airspace – cont. Military Training Routes Low level IR = IFR routes VR = VFR routes 3 numbers = some > 1,500 ft AGL 4 numbers = all <1,500 ft AGL Low Altitude Airways In Class E airspace 4 NM each side of centerline AAAA Education Foundation 53 Special Use Airspace – cont. TFRs (Temporary Flight Restrictions) Areas of no fly zones Issued by FAA For areas when President or other high ranking government and foreign officials are present Over large sport events Fiesta gets one for non balloon aircraft Always ask weather briefer for TFRs AAAA Education Foundation 54 Special Use Airspace – cont. National Parks /Wildlife Refuge /other national areas Min. 2,000 ft AGL, recommended AAAA Education Foundation 55 Airspace Exercise Answers are: 1. a 8. a 15. c 2.