Transatlantic Flight Flashcards
What FL does MNPS airspace extend from
FL285-420
What cruise levels are available for MNPS airspace
FL290-410
5 oceanic control areas
Reykjavik Shanwick Gander Santa Maria New York
Above what flight level is class A airspace
FL055
What lat is MNPS in between
27°N
90°N
What is the separation In MNPS
Laterally = 25nm Longitudinally = 10 mins Vertically = 1000ft
For unrestricted flight in MNPS what do you need
2 LRNS
IRS
INS
GNSS
If you only have 1 LRNS what route do you take for special MNPS
A blue spruce route
Most northern track of westbound OTS
Alpha
East bound southern most track
Zulu
Midpoint of OTS is
30°w
Who do operators submit their contributions to the OTS
Oceanic control centres in shanwick and gander
When must operators give their desires tracks to the OCA
For
Following day : 1900utc
Following night : 1000UTC
How long do airlines have to discuss the proposed OTS routes
One hour
Where and when is the finalised OTS published
NAT track message
At 2200 and 1400utc
What is the OTS changeover period
Daytime 1130 to 1900
Night time 0100 to 0800
What are the other routes within NAT MNPS airspace
M201/202/203 in western part of New York oca
Blue spruce routes for ac with one LRNS
Tango between N Europe and Spain / canaries
To / from Azores
Between Iceland Greenland Canada
What is a random MNPS route
One that doesn’t encompass the whole route
OCA stands for
Oceanic control area
OTS stands for
Organised track system
PRM stands for
Preferred route message
PTS stands for
Polar track structure
MASPS stands for
Min aircraft system performance specification
SLOP stands for
Strategic lateral offset procedures
WATRS stands for
West Atlantic route system
When must oceanic clearances be done
40 mins prior to entry point eta
20 mins for Reykjavik from Scottish
If you have a change in your oceanic clearance who do you need to get clearance from to get to the new entry point / altitude
Domestic atc
If your eta for a OTS entry point / waypoint differs by ….. you need to inform atc
3 mins
