Lesson 19 Flashcards
_______ are designed to provide aeronautical information for en route navigation during instrument flight below 18,000 feet MSL.
En Route Low Altitude Charts
When are En Route Low Altitude Charts updated?
every 56 days
What chart are “Victor” airways shown on?
En Route Low Altitude Charts
How many En Route Low Altitude Charts are there?
36
Airports shown in Brown on En Route Low Charts do not have what?
do not have published instrument approaches
Describe airports shown in Green on En Route Low Charts.
hard surfaced; greater than or equal to 3000’; has an approved instrument approach procedure published
Describe airports shown in Blue on En Route Low Charts.
hard surfaced; greater than or equal to 3000’; has an approved instrument approach procedure published; has an approved DoD instrument approach procedure flip
What does an L inside a circle mean?
pilot controlled lighting
When included in the airport data, (A) means _________.
Automatic Terminal Information Service (ATIS) is available
What does a star symbol in the airport data indicate?
part time status of the surrounding airspace
What does a star symbol in the airport data indicate?
part time status of the surrounding airspace
What does a completely filled in NAVAID mean?
compulsory reporting point
NAVAIDs that are Black are what?
VHF/UHF
NAVAIDs that are Brown are what?
LF/MF
What does a (T) displayed in the communication box on an En Route Low Altitude chart mean?
indicates a Terminal class NAVAID with a service volume of 25 NM and 12,000 ft
What does a shadowed NAVAID box indicate?
indicates the NAVAID and FSS have the same name
A frequency which is underlined within a communication box indicates that ____________.
there is no voice transmitted on that frequency
Minimum Obstruction Clearance Altitude (MOCA)
lowest published altitude in effect between radio fixes on VOR airways, off airway routes, or route segments which meets obstacle clearance requirements for the entire route segment and which assures acceptable navigational signal coverage only within 25 statute (22 nautical) miles of a VOR
Minimum Obstruction Clearance Altitude (MOCA)
lowest published altitude in effect between radio fixes on VOR airways, off airway routes, or route segments which meets obstacle clearance requirements for the entire route segment and which assures acceptable navigational signal coverage only within 25 statute (22 nautical) miles of a VOR
What is *3500 an example of?
MOCA
Minimum En Route Altitude (MEA)
lowest published altitude between radio fixes which assures acceptable navigational signal coverage and meets obstacle clearance requirements between those fixes
Maximum Authorized Altitude (MAA)
a published altitude representing the maximum usable altitude or flight level for an airspace structure or route segment. It is the highest altitude at which adequate reception of navigation aid signals is assured
MAA-10000 is an example of what
Maximum Authorized Altitude (MAA)
Minimum Reception Altitude (MRA)
lowest altitude at which an intersection can be determined; symbol is a flag with an “R” inside, and box with the Name, MRA, and altitude
Minimum Crossing Altitude (MCA)
the lowest altitude at certain fixes at which an aircraft must cross when proceeding in the direction of a higher minimum en route IFR altitude (MEA); symbol is a flag with an “X” inside
GOSIP
V83-210 13500 SW
(describe the above)
MCA data block; states the radial, lowest crossing altitude, and travel direction
GOSIP
V83-210 13500 SW
(describe the above)
MCA data block; states the radial, lowest crossing altitude, and travel direction
When MUST pilots report over compulsory reporting points?
when NOT in radar contact
Off Route Obstruction Clearance Altitude (OROCA)
depicted within each quadrangle on the chart bounded by lines of latitude and longitude; provides obstruction clearance based on the highest known feature to be found within that section; 1000 ft buffer —- non mountainous area; 2000 ft buffer —- mountainous area
How are Prohibited, Restricted and Warning Areas denoted?
blue hatched boundaries
Light brown shading indicates the presence of ________.
uncontrolled airspace
A Mode C Area, which requires an aircraft to have Mode C equipment onboard, is depicted by _______.
a solid blue outline
An appropriate IFR altitude for an aircraft on a magnetic heading of 178 degrees is _______.
not able to be determined; must be a magnetic COURSE not heading to be determined
_________ provide aeronautical information for en route navigation during instrument flight at or above 18,000 ft MSL.
En Route High Altitude Charts
How often are En Route High Altitude charts published?
every 56 days
How many En Route High Altitude Charts are there?
12
Jet “J” Routes and RNAV “Q” Routes are shown on what chart?
En Route High Altitude
MEAs are only shown on En Route High Charts if they are __________.
higher than 18000 msl
MAAs are only shown on En Route High Charts if _________.
lower than 45000 MSL
All NAVAIDs shown are ____ class, unless identified as “L” or “T”.
“H”
On En Route High Charts, what is omitted from NAVAID frequency boxes?
Morse Code
On En Route High Charts, what is omitted from NAVAID frequency boxes?
Morse Code
How is Class A depicted on En Route High Charts?
open white areas
What does brown shading on En Route High Charts indicate?
Class G airspace that exists above 18,000 ft MSL
What is it called when jet airways bypass a NAVAID?
grouping
How often are IFR Area Charts published?
every 56 days
______ furnish terminal data for IFR flight in congested areas.
IFR Area Charts