ICAO 4444 PANS-ATM Flashcards
ATC only responsible for terrain clearance when?
when radar vectoring
Light wake turbulence category =
less than 7000kg
Medium wake turbulence category =
7000kg - 136 000kg
Heavy wake turbulence category =
more than 136 000kg
At or above FL… speed adjustments from ATC are given in increments of … Mach. Below they are given in multiples of … KT IAS
250
0.01
10
Under radar control and on final approach speed adjustments limited to max of …kt
20
Once inside …nm of the threshold on final approach no further speed adjustments should be given
4
What separation in class A and B?
all flights separated
What separation in class C?
IFR separated from all traffic, VFR separated from IFR and traffic info on other VFR
What is separation in class D?
IFR from all traffic
traffic info for VFR
What vertical seperation above FL410?
2000 ft
When an aircraft will pass through the level of another (climb or descent) on the same track the following longitudinal separation will be provided;
… while vertical separation does not exist
… while vertical separation does not exist when nav aids permit frequent determination of position
… while vertical separation does not exist provided that the level change is commenced within 10 mins of the time the second aircraft has reported over an exact reporting point
15 mins
10 mins
5 miins
An aircraft may be cleared to a level previously occupied by another after the latter has …, except when;
In which case such clearance will be withheld until the aircraft vacating the level …
reported vacating it
severe turbulence is known to exist
has reported at or passing another level separated by the required minimum
lateral separation using VORs?
aircraft must be separated by at least 15 degrees and be 15NM or more from beacon
lateral separation using NDBs?
greater separation because system is less accurate. 30 degrees and 15NM or more from beacon