A COMMERCIAL air transport flight is planned via TI 6 airway to benefit from stronger tailwinds. One of the FMS is inoperative. What implications, if any, are there for the continuation of the flight?

The pilots must request a reroute via T 290 or T 9 since the aeroplane has only one serviceable LRNS.

Airway TI 6 may be used as planned since the aeroplane maintains Its navigation capability with the remaining FMS.

The aircraft should return to the departure aerodrome as flight with only one FMS means that NO redundancy exists and is forbidden.

The pilots must avoid NAT HLA since entry to NAT HLA is forbidden with only one serviceable LRNS.

Navigation tasks at high latitudes may be complicated due to:

The convergence of the meridians.

The divergence of the meridians.

The conversion of grid navigation data into compass navigation data.

During operations in the NAT HLA, certain reports are made automatically by the aircraft systems. However, pilots must also make reports. Which of the following must pilots report?

Severe turbulence, severe icing, volcanic ash.

Moderate or severe turbulence in an area where turbulence has been forecasted.

The difference in the forecasted wind and temperature.

Horizontal wind shear, jetstreams.

A flight is scheduled to operate in Polar regions. Why is the compass not being used in such locations?

The horizontal field strength is too weak.

The vertical field strength is too weak.

Due to the lack of GPS signals.

Due to the fluctuating field strength.

You want the IRS to be as accurate as possible when in NAT HLA airspace. When do you align the

As soon as the first person enters cockpit.

When you release the parking brake.

Which of the following statements is correct for an aeroplane flying from New York to Tokyo and passing the north domestic Canadian airspace?

The pilots may expect the VORs to be oriented to the true north.

The pilots may expect the VORs to be oriented to the magnetic north only.

The pilots may expect the VOR not to be reliable.

The abbreviation "OTS" stands for:

Omni-directional Track Selector.

What is the main difference between OTS routes and T 9, T 13 and T 16 routes?

NAT routes are in east-west directions while T 9, T 13 and T 16 routes are in north-south directions.

NAT routes are north Atlantic tracks while T 9, T 13 and TI 6 routes are south pacific tracks.

The T 9, T 13 and T 16 routes are fixed in position and allow traffic in easterly directions only.

NAT routes are outside of controlled airspace and T 9, T13 and TI 6 routes are domestic routes.

As a contingency against a total INS / IRS failure and in order to be able to continue navigating safely while flying in polar regions, the Flight Crew should, at regular intervals..

plot the aircraft-s position and the time on a polar stereographic chart.

record the true heading indications and the time on the navigation log.

record the magnetic compass indications on the navigation log.

plot the aircraft•s planned track on a polar stereographic chart.

Magnetic compasses become unreliable in polar regions because of the.„

reduced horizontal field strength.

reduced vertical field strength.

increased horizontal and vertical field strengths.

According to OPS regulations, for an IFR flight, the selection of a destination alternate is not required when:

the destination aerodrome has two runways with an ILS approach.

an adequate take-off alternate is available.

the duration of the planned flight does not exceed 8 hours and the weather forecast calls for VMC conditions at the destination aerodrome.

For three and four-engined aeroplanes, the take-off alternate, if required, Shall be located (in Still air conditions) within:

2 hours flight time at one-engine-inoperative cruising speed.

1 hour flight time at cruising speed with all engines operating.

1 hour flight time at one-engine-inoperative cruising speed.

2 hours flight time at cruising speed with all engines operating.

CLAS05

Authored by Enrique De la h

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MULTIPLE CHOICE QUESTION

45 sec • 1 pt

An aeroplane is planned to be flown commercially in the North Atlantic High Level Airspace (NAT HLA). The use of LRNSs for operation in the NAT HLA is approved by:

EASA

ICAO

The state of registry

I ATA

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

An aircraft wishes to fly the PBCS routes in the NAT HLA. What are the requirements?

3 LRNS.

ADS-C and CPDLC.

Increased RVSM capability.

No special requirements.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What are the requirements for Performance Based Communication and Surveillance (PBCS) when operating on a PBCS route in the NAT HLA?

Continuous data-link communication must be available for all aircraft.

An Enhanced Ground Proximity Warning System (EGPWS) must be installed.

Three Long-Range Navigation Systems (LRNSs) are required.

Reduced Vertical Separation Minimum (RVSM) is mandatory.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A flight is planned via the T 16 route in the NAT HLA. The aircraft is equipped with two LRNSs (Long Range Navigation Systems) but one LRNS fails prior to entering NAT HLA. Which of the following is correct.

If the crew can obtain special approval in time from Shanwick, they may be able to route via T 16 as planned.

The flight can operate as planned as routes T 9, T 16 and T 213 only require one LRNS.

The aircraft cannot enter NAT HLA to fly route T16, but could re-route using domestic airspace.

The crew cannot continue the flight as two functioning LRNSs are required in all of NAT HLA.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Who provides service within the Northern Oceanic Transition Area (NOTA) and Shannon Oceanic Transition Area (SOTA)?

NOTA: Shanwick ACA; SOTA: Shannon Control

NOTA: Shanwick ACA; SOTA: Shanwick ACA

NOTA: Shanwick ACA; NOTA: Shannon Control

NOTA: Shannon Control; SOTA: Shannon Control

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Taking into consideration Northern Oceanic Transition Area (NOTA) and Shannon Oceanic Transition Area (SOTA) - which one is in NAT HLA and which one has the same instrument requirements as NAT HLA?

Neither NOTA and SOTA is in NAT HLA, hence no instruments requirement like in NAT.

Either NOTA and SOTA is in NAT HLA, hence instruments requirement like in NAT.

SOTA is in NAT HLA, however requirements only apply if continuing into NAT HLA.

NOTA is NAT HLA, hence instruments requirement like in NAT.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Taking into consideration Northern Oceanic Transition Area (NOTA) and Shannon Oceanic Transition Area (SOTA) - which one is in NAT HLA and which one has the same instrument requirements as NAT HLA?

Neither NOTA nor SOTA are part of NAT HLA, hence no instruments requirement like in NAT.

Both NOTA and SOTA are part of NAT HLA, hence instruments requirement like in NAT.

NOTA is a part of NAT HLA and no required equipment like NAT HLA.

SOTA is not a part of NAT HLA and no required equipment like NAT HLA, except if routing towards NAT HLA.

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CLAS05

An aeroplane is planned to be flown commercially in the North Atlantic High Level Airspace (NAT HLA). The use of LRNSs for operation in the NAT HLA is approved by:

An aircraft wishes to fly the PBCS routes in the NAT HLA. What are the requirements?

What are the requirements for Performance Based Communication and Surveillance (PBCS) when operating on a PBCS route in the NAT HLA?

A flight is planned via the T 16 route in the NAT HLA. The aircraft is equipped with two LRNSs (Long Range Navigation Systems) but one LRNS fails prior to entering NAT HLA. Which of the following is correct.

Who provides service within the Northern Oceanic Transition Area (NOTA) and Shannon Oceanic Transition Area (SOTA)?

Taking into consideration Northern Oceanic Transition Area (NOTA) and Shannon Oceanic Transition Area (SOTA) - which one is in NAT HLA and which one has the same instrument requirements as NAT HLA?

Taking into consideration Northern Oceanic Transition Area (NOTA) and Shannon Oceanic Transition Area (SOTA) - which one is in NAT HLA and which one has the same instrument requirements as NAT HLA?

A COMMERCIAL air transport flight is planned via TI 6 airway to benefit from stronger tailwinds. One of the FMS is inoperative. What implications, if any, are there for the continuation of the flight?

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?

Navigation tasks at high latitudes may be complicated due to:

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