North Atlantic Track Flashcards
What is the vertical extension of the NAT HLA?
FL 285 to FL 410
What does OEP stand for?
Oceanic entry point.
If you have RNP 4 and you are on the NAT HLA, what must the tracks the separated by?
23NM
For the Tango 9 route, how many nav aids and what type of communication do you need!
1 nav aid and HF and VHF
What’s a requirement to operate in NAT HLA airspace?
The crew must have had training.
In MNPS airspace, an aeroplane is flying the Strategic Lateral Offset Procedure (SLOP). The pilots should deviate from their track using the appropriate offsets:
- One mile to the right
- Center line
- One mile to the left
- Two miles to the left
- Two miles to the right
1
2
5
During an oceanic flight from London Gatwick to Miami, the crew decide to divert. Air Traffic Control (ATC) are unable to approve the track deviation. What factors should the crew consider?
Terrain clearance
An aeroplane is flying along airway T16 within the NAT HLA and is communicating with Shanwick Oceanic control using CPDLC. When passing GONAN, the CPDLC connection is automatically transferred to Santa Maria Oceanic control. The pilot is then required to establish contact with Santa Maria Oceanic control using XX radio in the 2.8 XHz to 18 XHz frequency band.
HF - MHz
What is the not chat frequency?
123.45 MHZ
If prior clearance cannot be obtained, what would be the initial action to deviate from a NAT HLA?
Turn right by 30 degrees
Where would you need to file an oceanic clearance before departure?
Iceland
Consider NAT HLA flight operations, when flying in the New York Oceanic East area. For the application of 50 NM lateral separation, which RNP designation is the minimum navigation specification?
10
If you deviate south on the NAT HLA what should you do?
Climb 300ft
If you deviate north on the NAT HLA what should you do?
Descend by 300ft
In airspace where MNPS is applicable, the minimum vertical separation between FL290 and FL410 is…
1000ft
