Jeppesen Flashcards
MOCA
Minimum Obstruction Clearance Altitude
State published
1000ft clearance if terrain below 5000’
2000ft if above 5000’
5nm each side of route center line
Suffix T
MORA
Minimum Off Route Altitude
Jeppesen published
1000’ clearance if terrain below 5000’
2000’ clearance if above 5000’
10nm either side of route centerline
Suffix “a” if used on route
MEA
Minimum Enroute Altitude
Same as MOCA but also have radio coverage
MSA
Minimum sector altitude
ICAO 1000’ clearance within 25nm radius of fix
RSA 1500’ clearance
- Astrisk with frequency
Not used 24hrs (part time operation)
Enroute chart
what does it mean if airfield written in blue?
written in green?
blue - there is a published procedure
green- no published procedure (VFR airfields)
Enroute chart
what does a shadowed box mean if around a navaid?
part of a route or airway
Enroute chart
what colour is class C airspace depicted? class A and B?
Class C- Blue
Class A and B- Brown
Enroute Chart
Are all prohibited/danger/restricted areas shown?
Are vertical limits etc shown on chart?
not shown if upper limit is below 2000’ AGL
Unlike an area chart, limits not shown on enroute chart. Need to consult special use airspace table on rear of chart.
MAA
maximum authorized altitude
If max altitude for a route is different from standard
Route designators
R
F
D (as suffix)
R - RNAV
F - Information service
D - Advisory service
Chart Index Numbers?
AB-C
A?
B?
C?
A - airport number
B - type of chart
C - filing order of charts of same type
Type 0 Area chart (A0-1), airport briefing chart (A0-1P), Radar minimum terrain clearance chart (A0-1R),SIDs (A0-2), STARs (A0-3), Airport Layout (A0-9)
Type 1 ILS/Loclizer Type 2 GPS Type 3 VOR Type 4 NDB Type 9 RNAV
Area charts
when are contours shown?
if terrain rises to more than 4000’ above main airport
Aircraft approach category?
How is it calculated? Category A B C D
based on Vat
speed at threshold based on 1.3 x stall speed in landing config at max certified landing mass
A- less than 91 KIAS
B - 91 - 120 KIAS
C - 121 - 140 IAS (ERJ 145)
D - 141 - 165 KIAS
Airport Elevation?
Highest point of usable runways
in some countries measured from ARP