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are designed for FAA controllers to monitor
transoceanic flights. They show established intercontinental
air routes, including reporting points with
geographic positions. Composite Chart: Scale
1inch= 164nm/1:12,000,000. 48 x 41-1/2 inches.
Area Charts: Scale 1 inch = 95.9nm/1:7,000,000.
52x 40-1/2 inches. All charts shipped unfolded.
Charts revised every 56 days. (See FIG 9-1-8.)
5. North Atlantic Route Chart. Designed for
FAA controllers to monitor transatlantic flights, this
5-color chart shows oceanic control areas, coastal
navigation aids, oceanic reporting points, and
NAVAID geographic coordinates. Full Size Chart:
Scale 1 inch = 113.1nm/1:8,250,000. Chart is shipped
flat only. Half Size Chart: Scale 1 inch =
150.8nm/1:11,000,000. Chart is 29-3/4 x
20-1/2inches, shipped folded to 5 x 10 inches only.
Chart revised every 56 weeks. (See FIG 9-1-7.)
FIG 9-1-7
North Atlantic Route Charts
2/14/08 AIM
Types of Charts Available 9-1-7
FIG 9-1-8
North Pacific Oceanic Route Charts
6. Airport Obstruction Charts (OC). The
OC is a 1:12,000 scale graphic depicting 14 CFR
Part77, Objects Affecting Navigable Airspace,
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.
7. FAA Aeronautical Chart User's Guide.
Abooklet designed to be used as a teaching aid and
reference document. It describes the substantial
amount of information provided on FAA's aeronautical
charts and publications. It includes explanations
and illustrations of chart terms and symbols
organized by chart type. The users guide is available
for free download at the NACO web site.
e. Digital Products.
1. The Digital Aeronautical Information CD
(DAICD). The DAICD is a combination of the
NAVAID Digital Data File, the Digital Chart
Supplement, and the Digital Obstacle File on one
Compact Disk. These three digital products are no
longer sold separately. The files are updated every
56days and are available by subscription only.
(a) The NAVAID Digital Data File. This
file contains a current listing of NAVAIDs that are
compatible with the National Airspace System. This
file contains all NAVAIDs including ILS and its
components, in the U.S., Puerto Rico, and the Virgin
Islands plus bordering facilities in Canada, Mexico,
and the Atlantic and Pacific areas.
(b) The Digital Obstacle File. This file
describes all obstacles of interest to aviation users in
the U.S., with limited coverage of the Pacific,
Caribbean, Canada, and Mexico. The obstacles are
assigned unique numerical identifiers, accuracy
codes, and listed in order of ascending latitude within
each state or area.
(c) The Digital Aeronautical Chart Supplement
(DACS). The DACS is specifically designed
to provide digital airspace data not otherwise readily
available. The supplement includes a Change Notice
for IAPFIX.dat at the mid-point between revisions.
The Change Notice is available only by free
download from the NACO website.
The DACS individual data files are:
ENHIGH.DAT: High altitude airways (conterminous
U.S.)
ENLOW.DAT: Low altitude airways (conterminous
U.S.)
IAPFIX.DAT: Selected instrument approach procedure
NAVAID and fix data.
MTRFIX.DAT: Military training routes data.
ALHIGH.DAT: Alaska high altitude airways data.
ALLOW.DAT: Alaska low altitude airways data.
PR.DAT: Puerto Rico airways data.
HAWAII.DAT: Hawaii airways data.
BAHAMA.DAT: Bahamas routes data.
OCEANIC.DAT: Oceanic routes data.
STARS.DAT: Standard terminal arrivals data.
DP.DAT: Instrument departure procedures data.
LOPREF.DAT: Preferred low altitude IFR routes
data.
HIPREF.DAT: Preferred high altitude IFR routes
data.
ARF.DAT: Air route radar facilities data.
ASR.DAT: Airport surveillance radar facilities data.
AIM 2/14/08
9-1-8 Types of Charts Available
2. The National Flight Database (NFD)
(ARINC 424 [Ver 13 & 15]). The NFD is a basic
digital dataset, modeled to an international standard,
which can be used as a basis to support GPS
navigation. Initial data elements included are: Airport
and Helicopter Records, VHF and NDB Navigation
aids, en route waypoints and airways. Additional data
elements will be added in subsequent releases to
include: departure procedures, standard terminal
arrivals, and GPS/RNAV instrument approach
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