Juan Jose Garcia Bellot
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TESOL dche Quiz on OP 122-57, created by Juan Jose Garcia Bellot on 02/06/2018.

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Juan Jose Garcia Bellot
Created by Juan Jose Garcia Bellot over 6 years ago
Juan Jose Garcia Bellot
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OP 122-57

Question 1 of 30

1

122) The validity period of a flight track system organized in
MNPS (Minimum Navigation Performance Specification)
airspace during a Westbound flight normally is :

Select one of the following:

  • 00H00 UTC to 08H00 UTC

  • 11H30 UTC to 19H00 UTC

  • 10H30 UTC to 19H00 UTC

  • 01H00 UTC to 08H00 UTC

Explanation

Question 2 of 30

1

129) You plan to fly from point A (60°N 010°E) to point B
(60°N 020°E).
The gyro North of the gyro compass, assumed to be
operating perfectly, with no rate correction device, is
aligned with the true North of point A.
The constant gyro heading to be followed when starting
from A given that the flight time scheduled is 1h30 min
with a zero wind, is equal to :

Select one of the following:

  • 076°.

  • 080°.

  • 066°

  • 085°.

Explanation

Question 3 of 30

1

94) During a transoceanic and polar flight, the transport
precession is the rotation in degrees of the gyro North
with respect to the:

Select one of the following:

  • magnetic North

  • compass North

  • true North

  • grid North

Explanation

Question 4 of 30

1

113) If a flight is planned to operate along the whole length of
one of the organised tracks, the intended organised
track should be defined in items of the FPL by :

Select one of the following:

  • using the abbreviation "OTS" followed by the code letter
    assigned to the track.

  • inserting coordinates defining significant points with
    intervals of 10° of longitude.

  • the abbreviation "NAT" followed by the code letter assigned
    to the track.

  • inserting coordinates as detailed in the NAT track message.

Explanation

Question 5 of 30

1

96) (For this question use annex 071-2070A)
On the diagram where :
Nt = True North
Nm = Magnetic North
Ng = Grid North
If the magnetic variation is equal to 65°W and if the grid
variation is equal to 4°E, the correct arrangement of the
different north is :

Select one of the following:

  • 1

  • 2

  • 3

  • 4

Explanation

Question 6 of 30

1

At 18h40min UTC, a complete failure of the inertial
systems of an aircraft flying on the LONDONANCHORAGE
line occurs in the geographic North pole
region. The wind is nil, the grid heading at this moment
is 315°. The crew then uses the Sun to continue the
flight. The bearing of the Sun on occurence of the failure
is :
NOTE: The time equation is nil. The chart used is a polar
stereographic chart whose grid is parallel with the zero
meridian, the Grid North is in direction of the geographic
North pole.

Select one of the following:

  • 000°

  • 325°.

  • 035°.

  • 180°.

Explanation

Question 7 of 30

1

105) The frequency designated for VHF air to air
communications when out of range of VHF ground
stations in NAT region is :

Select one of the following:

  • 243 MHz.

  • 118.5 MHz.

  • 131.8 MHz

  • 121.5 MHz.

Explanation

Question 8 of 30

1

102) Astronomic precession :

Select one of the following:

  • is zero at the South pole

  • causes the gyro axis to spin to the left in the southern
    hemisphere

  • causes the gyro axis to spin to the right in the Southern
    hemisphere

  • is zero at the North pole

Explanation

Question 9 of 30

1

During a flight to Europe, scheduled in MNPS (Minimum
Navigation Performance Specification) airspace, you
expect to cross the 30°W meridian at 1000 UTC ; you will
normally be :

Select one of the following:

  • out of the organised route system.

  • in random airspace.

  • in a day flight route system.

  • in a night flight route system.

Explanation

Question 10 of 30

1

Astronomic precession :

Select one of the following:

  • causes the gyro axis to spin to the right in the Northern
    hemisphere

  • causes the gyro axis to spin to the left in the Northern
    hemisphere

  • is zero at the North pole

  • is zero at the South pole

Explanation

Question 11 of 30

1

The minimum navigation equipment required for an
aircraft flying without restriction in MNPS airspace can
be at the very least :

Select one of the following:

  • Two inertial navigation units and a DECCA.

  • Three inertial navigation units.

  • One inertial navigation unit

  • Two inertial navigation units.

Explanation

Question 12 of 30

1

Arriving at the point of entry into MNPS (Minimum
Navigation Performance Specification) airspace over the
North Atlantic and not having yet received the oceanic
clearance, the crew :

Select one of the following:

  • carries out a holding pattern

  • returns to base immediately

  • keeps flying in accordance with the air-filed flight plan

  • keeps flying deviating its course by 30 nautical miles from
    that of the air-filed flight plan

Explanation

Question 13 of 30

1

146) The minimum lateral separation in the NAT region is:

Select one of the following:

  • 60 NM between aircraft flying above FL285

  • 60 NM between aircraft operating below MNPS airspace.

  • 90 NM between aircraft flying above FL285.

  • 90 NM between all aircraft flying in the NAT region.

Explanation

Question 14 of 30

1

) If both precision navigation systems of an aircraft are
unserviceable during a flight in MNPS airspace, and if
you cannot establish communication with the air traffic
control, you :

Select one of the following:

  • take an intermediate flight level

  • descend below the MNPS space

  • return to departure airport

  • land at the nearest airport

Explanation

Question 15 of 30

1

151) In a polar Antarctic regions, the pilot uses a South polar
stereographic chart whose printed over grid is parallel
with the zero meridian and Grid North in the direction of
geographic North along this meridian.
The aircraft position is 80°S 130°E, its true route is 110°,
the grid route at this moment is

Select one of the following:

  • 060°

  • 110°.

  • 340°

  • 240°

Explanation

Question 16 of 30

1

25) A pilot is using a polar stereographic chart whose grid is
parallel to the zero meridian, with Grid North in the
direction of the North geographic pole.
In polar regions, the pilot stops navigation in free-gyro
mode after leaving the 6 microteslas zone, and the grid
heading controlled by information from the inertial
navigation system (INS) is 045°. After switching to
"magnetic mode", the compass heading is 220°. The INS
position at this moment is 76°N 180°W. The magnetic
variation on the chart is 10°E.
The compass shift on this heading at this point in time
is:

Select one of the following:

  • +15°.

  • -5°

  • +5°

  • -15°

Explanation

Question 17 of 30

1

The MNPS (Minimum Navigation Performance
Specification) airspace extends from

Select one of the following:

  • 30° North to 90° North.

  • 27° North to 70° North.

  • 30° North to 70° North.

  • 27° North to 90° North.

Explanation

Question 18 of 30

1

23) During the flight of two aircraft in MNPS airspace with a
leading aircraft flying at higher speed, the longitudinal
spacing must be at least :

Select one of the following:

  • 20 minutes

  • 5 minutes

  • 10 minutes

  • 15 minutes

Explanation

Question 19 of 30

1

3) During a flight to Europe, planned in MNPS (Minimum
Navigation Performance Specification) airspace, you
expect to cross the 30°W meridian at 11H00 UTC ; you
will then normally be :

Select one of the following:

  • in a random space

  • out of the organized flight track system.

  • within the organized daytime flight track system.

  • within the organized night-time flight track system.

Explanation

Question 20 of 30

1

12) The MNPS (Minimum Navigation Performance
Specification) airspace extends vertically between flight
levels:

Select one of the following:

  • 280 and 400

  • 280 and 390

  • 275 and 400

  • 285 and 420.

Explanation

Question 21 of 30

1

In the event of a contingency which required an en-route
diversion to an alternate aerodrome across the direction
of the prevailing "NAT" traffic flow and if prior ATC
clearance cannot be obtained an aircraft not able to
maintain its assigned flight level should:

Select one of the following:

  • A Start its descent while turning to acquire a track separated
    by 60 NM from its assigned route or track.

  • Start its descent while turning to acquire a track separated
    by 90 NM from its assigned route or track.

  • Descend below FL275

  • Start its descent while turning to acquire a track separated
    by 30 NM from its assigned route or track.

Explanation

Question 22 of 30

1

46) In the event of a contingency which required an en-route
diversion to an alternate aerodrome across the direction
of the prevailing "NAT" traffic flow and if prior ATC
clearance cannot be obtained an aircraft able to
maintain its assigned flight level should:

Select one of the following:

  • If at FL410, climb 500 ft, while turning towards the alternate
    aerodrome.

  • If at FL410, climb or descend 500 ft, while turning towards
    the alternate aerodrome.

  • If at FL410, descend 1000 ft, while turning towards the
    alternate aerodrome.

  • If at FL410, climb 1000 ft or descend 500 ft, while turning
    towards the alternate aerodrome.

Explanation

Question 23 of 30

1

24) Which errors in "estimates" minutes shall be reported
by aircraft overflying the North Atlantic?

Select one of the following:

  • 2 or more.

  • 3 or more.

  • 5 or more.

  • 10 or more.

Explanation

Question 24 of 30

1

20) The ascent or descent through MNPS (Minimum
Navigation Performance Specification) airspace of a non
MNPS certified aircraft is :

Select one of the following:

  • forbidden in all cases

  • authorized when the aircraft has two precision navigation
    systems

  • authorized only if the aircraft is in radio contact with the
    aircraft present in this space

  • authorized under radar control if the aircraft is in VHF
    contact with the MNPS controller

Explanation

Question 25 of 30

1

18) The minimum lateral spacing to be maintained between
aircraft flying in MNPS airspace is :

Select one of the following:

  • 30 NM.

  • 90 NM.

  • 120 NM.

  • 60 NM.

Explanation

Question 26 of 30

1

Which separation will be provided if Reduced Vertical
Separation Minimum (RVSM) is used when operating in
MNPS airspace?

Select one of the following:

  • 60 NM lateral and 500 ft vertical.

  • 90 NM lateral and 500 ft vertical.

  • 60 NM lateral and 1000 ft vertical.

  • 90 NM lateral and 1000 ft vertical.

Explanation

Question 27 of 30

1

69) The chart in question is of the polar stereographic type
with its grid parallel to the zero meridian, and Grid North
in the direction of the North geographic pole. The gyro
does not comprise a rate correction device.
The gyro-magnetic compass of an aircraft standing at an
aerodrome located at 59°57'N 010°30'E is switched to
free gyro mode at 14.00 UTC, with gyro North being
aligned with Grid North and the gyro heading reading
120°. A technical problem delays take off until 16.30
UTC. The gyro, whose mechanical precession is zero,
was not reset prior to take off.
The err

Select one of the following:

  • +32.5°.

  • +13°.

  • +73.5°.

  • -32.5°

Explanation

Question 28 of 30

1

73) A check on the operation of the SELCAL equipment
during a transatlantic flight using the OTS (Organised
Track System) must be done :

Select one of the following:

  • Prior entering the NAT region.

  • As soon as possible after entering the NAT region.

  • When crossing the oceanic airspace boundary.

  • At or prior entering the NAT region.

Explanation

Question 29 of 30

1

82) MNPS is the abbreviation for:

Select one of the following:

  • Minimum Navigation Performance Specification.

  • Maximum North-atlantic Precision System

  • Military Network Performance Structure

  • Minimum Navigation Positioning System.

Explanation

Question 30 of 30

1

Minimum Navigation Performance Specification (MNPS)
airspace of the North Atlantic is comprised within :

Select one of the following:

  • sea level and FL660 from North parallel 27 to the pole

  • flight levels 280 and 475 from North parallel 27 to the pole

  • flight levels 285 and 420 from the North parallel 27 to the
    pole

  • flight levels 270 and 400 from the equator to the pole

Explanation

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