20 LP En Route IFR Flashcards
What en route chart is this?
Designed to provide aeronautical information for navigation during instrument flight below 18,000 feet MSL
Low altitude charts
When are low and high altitude chart updated?
Every 56 days
En route low altitude charts are used for navigation in instrument meteorological conditions on a _____flight plan
IFR
On en route charts what does an L and an H stand for when naming charts?
Low altitude and high altitude
How many different low altitude chart are there?
36
On in route low altitude charts, MTR’s are listed in what order? Do IRs or VRs go first?
What info is listed next to the route number?
IRs are listed first in ascending numerical order followed by VRs in ascending numerical order.
Altitude range
En route low altitude charts are for use below ______feet MSL
18,000
On an in route low altitude chart what color depicts instrument approach procedure airports? What color does not?
Blue and green
Brown do not
What is the runway length of airports on en route low altitude charts?
3000 feet or more
What is a star indicate on in route ALT charts
Part time status, or availability on request
Airports with the proved instrument approach procedures are depicted in what color?
Blue and green
When included in the airport data, (A) means ___
Automatic terminal information service, ATIS, is available
Compass roses on in route altitude charts are oriented to which North?
Magnetic north
On en route low altitude charts a T is displayed to indicate a terminal class now NAVAID with a service volume of ______nautical miles and ____ feet
25 nautical miles, 12,000 feet
What does an R indicate on the flight service stations on in route charts?
Receive only
A frequency which is underlined with a communication box indicates that____.
There is no voice transmitted on that frequency
A T depicted next to the facility name on in route altitude charts means____
The facility is a terminal class NAVAID
Is the symbol indicating the availability of an ATIS broadcast found in a communication box?
No
Lowest published altitude in effect between radio fixes on airways which meets obstacle clearance requirements for the entire route segment and assures acceptable navigational signal coverage only within 25 statute (22 nautical) Miles of a VOR
mOCA
MOCA
Minimum obstruction clearance altitude
MEA
Minimum En route altitude
MAA
Maximum authorized altitude
MRA
Minimum reception altitude
MCA
Minimum crossing altitude
Lowest published altitude between radio fixes which asure acceptable navigational signal coverage and meet obstacle clearance requirements between those fixes
MEA
Published altitude representing the maximum usable altitude or flight level for a airspace structure, highest altitude at which adequate reception of NAVAID signals are issued
MAA
Lowest altitude at which an intersection can be determined
MRA
Lowest altitude at a certain fix at which an aircraft must cross when proceeding in the direction of a higher minimum in route IFR altitude
MCA
