[Navigational Charts (part 2) [Aviation Theory]] -- Flightsim Aviation Zone - Number 1 Flight Simulation and Aviation Resource! Information, Tools, Downloads, Databases, FAQ, Aviation Humour, Glossaries, Directory, FS2006, Multimedia, Screenshots, Free Flight Planner, Weather Reports | Aviation Databases - aircraft, airports, airlines, countries, timezones | Flight Simulator X
  Tuesday 16 October 2018 21:51 GMT  

Aviation Theory

Navigational Charts [page 2]

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(Continued from part 1: Aeronautical Charts)


  1. The Airport/Facilities Directory - This directory is issued in seven volumes with each volume covering a specific geographic area of the conterminous U.S., including Puerto Rico and the U.S. Virgin Islands. The directory is 5 3/8 X 8 1/4 inches and is bound on the side. Each volume is reissued in its entirety each 56 days. Each volume is indexed alphabetically by state, airport, navigational aid, and ATC facility for the area of coverage. All pertinent information concerning each entry is included.
  2. In addition to airports and navigational aids, the A/FD contains many other sections such as: Preferred Routes; Parachute Jumping Areas; Tower Enroute Control; National Weather Service Upper Air Observing Stations; Enroute Flight Advisory Service; and an Aeronautical Chart Bulletin section. The Chart Bulletin section contains a listing of major changes to each Sectional, Terminal Area and Helicopter Route chart within each chart cycle.
  3. Alaska Supplement - This supplement is a joint Civil and Military Flight Information Publication (FLIP), published and distributed every 56 days by the NOS. It is designed for use with the Flight Information Publication Enroute Charts, Alaska Terminal, WAC and Sectional Aeronautical Charts.
    This Supplement contains an Airport/Facilities Directory of all airports shown on Enroute Charts, and those requested by appropriate agencies, communications data, navigational facilities, special notices and procedures applicable to the area of chart coverage.
  4. Pacific Supplement - This Chart Supplement is a Civil Flight Information Publication, published and distributed every 56 days by the NOS. It is designed for use with the Flight Information Enroute Publication Charts and Sectional Aeronautical Chart covering the State of Hawaii and that area of the Pacific served by U.S. facilities. An Amendment Notice is published 4 weeks after each issue of the Supplement. This chart Supplement contains an Airport/Facilities Directory of all airports open to the public, and those requested by appropriate agencies, communications data, navigational facilities, special notices and procedures applicable to the Pacific area.
  5. Digital Aeronautical Chart Supplement (DACS)
    The DACS is a subset of the data NOAA provides to FAA controllers every 56 days. It reflects digitally exactly what is shown on the Enroute and Air Traffic Controller Charts. The DACS is designed to assist with flight planning and should not be considered a substitute for a chart. The supplement comes in a 3.5" diskette compressed format. The supplement is divided into nine individual sections. They are:
    • Section 1 - High Altitude Airways, Conterminous U.S.
    • Section 2 - Low Altitude Airways, Conterminous U.S.
    • Section 3 - Selected Instrument Approach Procedure NAVAID and FIX Data
    • Section 4 - Military Training Routes
    • Section 5 - Alaska, Hawaii, Puerto Rico, Bahamas and Selected Oceanic Routes
    • Section 6 - STARs Standard Terminal Arrivals and Profile Descent Procedures
    • Section 7 - SIDs, Standard Instrument Departures
    • Section 8 - Preferred IFR Routes (Low and High Altitudes)
    • Section 9 - Air Route and Airport Surveillance Radar Facilities (updated yearly)
    NOTE: Section 3 has a Change Notice that will be issued at the mid 28 day point and contains changes that occurred after the 56-day publication.
  6. NOAA Aeronautical Chart User's Guide - This guide is designed to be used as a teaching aid, reference document, and an introduction to the wealth of information provided on NOAA's aeronautical charts and publications. The guide includes discussion of IFR chart terms and symbols.
  7. Airport Obstruction Charts (OC) - The Airport Obstruction Chart is a 1:12,000 scale graphic depicting FAR Part 77 surfaces, a representation of objects that penetrate these surfaces, aircraft movement and apron areas, navigational aids, prominent airport buildings, and a selection of roads and other planimetric detail in the airport vicinity. Also included are tabulations of runway and other operational data.
  8. Defense Mapping Agency Aerospace Center (DMAAC) Publications
    Defense Mapping Agency Aeronautical Charts and Products are available prepaid from:
    National Ocean Service
    NOAA Distribution Branch (N/CG33)
    Riverdale, MD  20737-1199
    Telephone: (301) 436-6990
  1. Pilotage Charts (PC/TPC)
    Scale 1:500,000. Used for detail preflight planning and mission analysis. Emphasis in design is on ground features significant in visual and radar, low level high speed navigation.
  2. Jet Navigation Charts (JNC-A)
    Scale 1:3,000,000. Designed to provide greater coverage than the 1:2,000,000 scale Jet Navigation Charts described below. Uses include preflight planning and enroute navigation by long range jet aircraft with dead reckoning, radar, celestial and grid navigation capabilities.
  3. LORAN Navigation and Consol LORAN Navigation Charts (LJC/CJC)
    Scale 1:2,000,000. Used for preflight planning and inflight navigation on long range flights in the Polar areas and adjacent regions utilizing LORAN and CONSOL navigation aids.
  4. Continental Entry Chart (CEC)
    Scale 1:2,000,000. Used for CONSOLAN and LORAN navigation for entry into the U.S. when a high degree of accuracy is required to comply with Air Defense identification and reporting procedures. Also suitable as a basic dead reckoning sheet and for celestial navigation.
  5. Aerospace Planning Chart (ASC)
    Scales 1:9,000,000 and 1:18,000,000. Six charts at each scale and with various projections, cover the world. Charts are useful for general planning, briefings, and studies.
  6. Air Distance/Geography Chart (GH-2, 2a)
    Scales 1:25,000,000 and 1:50,000,000. This chart shows great circle distances between major airports. It also shows major cities, international boundaries, shaded relief, and gradient tints.
  7. LORAN C Navigation Chart (LCC)
    Scale 1:3,000,000. Primarily designed for preflight and inflight long range navigation where LORAN C is used as the basic navigation aid.
  8. DOD Weather Plotting Chart (WPC)
    Various scales. Designed as nonnavigational outline charts which depict locations and identifications of meteorological observing stations. Primarily used to forecast and monitor weather and atmospheric conditions throughout the world.
  9. Flight Information Publications (FLIP)
    These include Enroute Low Altitude and High Altitude Charts, Enroute Supplements, Terminal (Instrument Approach Charts), and other informational publications for various areas of the world.
    NOTE: FLIP Terminal publications do not necessarily include all instrument approach procedures for all airports. They include only those required for military operations.
  10. World Aeronautical (WAC) and Operational Navigation Charts (ONC)
    The Operational Navigation Charts (ONC) have the same purpose and contain essentially the same information as the WAC series except the terrain is portrayed by shaded relief as well as contours. The ONC series is replacing the WAC series and the WACs will be available only where the ONCs have not been issued. ONCs are 42 x 57 1/2 inches, WACs are 22 x 30 inches. These charts are revised on a regular schedule.
  11. Jet Navigation Charts
    These charts are designed to fulfill requirements for long range high altitude, high speed navigation. They are produced at a scale of 1:2,000,000 (1 inch = 27.4 NM). Topographic features include large cities, roads, railroads, drainage and relief. The latter is indicated by contours, spot elevations and gradient tints. All aeronautical information necessary to conform to the purpose of the chart is shown. This includes restricted areas, L/MF and VOR ranges, radio beacons and a selection of standard broadcasting stations and airports. The runway patterns of the airports are shown to exaggerated scale in order that they may be readily identified as visual landmarks. Universal Jet Navigation Charts are used as plotting charts in the training and practice of celestial and dead reckoning navigation. They may also be used for grid navigational training.
  12. Global Navigational Charts
    These charts are designed to fulfill the requirements for aeronautical planning, operations over long distances, and enroute navigation in long range, high altitude, high speed aircraft. They are produced at scale of 1:5,000,000 (1 inch = 68.58 NM). Global Navigation Charts (GNC) are 42 by 57 1/2 inches. They show principal cities, towns and drainage, primary roads and railroads, prominent culture and shadient relief augmented with tints and spot elevations. Aeronautical data includes radio aids to navigation, aerodrome and restricted areas. Charts 1 and 26 have a polar navigation grid and charts 2 and 6 have subpolar navigation grids. Global LORAN Navigation Charts (GLCs) are the same size and scale and cover the same area as the GNC charts. They contain major cities only, coast lines, major lakes and rivers, and land tint. No relief or vegetation. Aeronautical data includes radio aids to navigation and LORAN lines of position.


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