![]() On the bottom right-hand corner of the Legend-under Miscellaneous-we are told that all green-shaded areas of the Chart indicate uncontrolled airspace below 18000’ ASL, while the white areas indicate controlled airspace below this altitude, including Low Level Airways, and Transition Areas. Note carefully the Legend that appears on LE charts. Simply mark the distance on the edge of a scrap piece of paper and then position the paper next to the scale to read the distance. In the case that a measurement is required-for example between a navigation aid and an airport-a scale bar that appears at the top and bottom of the chart can be used. This variation in scale, however, is of little consequence, since all distances along airways between navigation aids and between intersections are published on the chart. The scale of the LE Charts vary-in the above example, for instance, the upper left and right corners of the back page show that LO 2 provides a scale of 18 NM per 1”, while LO 1is scaled at 20 NM to 1”. The PAL box on the right shows that Vancouver Centre can be contacted on 134.0 MHz., as well 381.4 MHz. On the chart itself, the name of the applicable Area Control Centre, as well as the PAL frequencies, are identified using a boxed format. On back page of the LE are two blocks of information, the first concerning the VHF frequencies assigned to each of the major airports on the chart with control towers (including ATIS, Tower and Ground frequencies), and the second concerning the Area Control Centre and Terminal Control VHF frequencies, including peripheral station radio frequencies. LE Charts are Lambert Conformal Conic Projection charts, and are similar to VNC Charts in that a straight line on an LE represent a great circle route. There are three types of IFR Charts: 1) Terminal Charts, which provide radio navigation data for some of the busier airports (quite similar to VTAs 2) Enroute Low Altitude Charts, which provide radio navigation data for the en route portion of flights, up to, but not including 18000’ ASL, and, 3) Enroute High Altitude Charts, which provide similar data for the airspace at FL180 and above. ADF, VOR, and GPS Navigation Procedures.Navigation and Communication Data Boxes.Students / Resources / Classroom / Instrument Rating Groundschool Reading References /.
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