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OP 122-57
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Questions in this quiz (30)
1122) The validity period of a flight track system organized in
MNPS (Minimum Navigation Performance Specification)
airspace during a Westbound flight normally is :- A00H00 UTC to 08H00 UTC
- B11H30 UTC to 19H00 UTC
- C10H30 UTC to 19H00 UTC
- D01H00 UTC to 08H00 UTC
2129) 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 :- A076°.
- B080°.
- C066°
- D085°.
394) During a transoceanic and polar flight, the transport
precession is the rotation in degrees of the gyro North
with respect to the:- Amagnetic North
- Bcompass North
- Ctrue North
- Dgrid North
4113) 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 :- Ausing the abbreviation "OTS" followed by the code letter
assigned to the track. - Binserting coordinates defining significant points with
intervals of 10° of longitude. - Cthe abbreviation "NAT" followed by the code letter assigned
to the track. - Dinserting coordinates as detailed in the NAT track message.
- Ausing the abbreviation "OTS" followed by the code letter
596) (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 :- A1
- B2
- C3
- D4
6At 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.- A000°
- B325°.
- C035°.
- D180°.
7105) The frequency designated for VHF air to air
communications when out of range of VHF ground
stations in NAT region is :- A243 MHz.
- B118.5 MHz.
- C131.8 MHz
- D121.5 MHz.
8102) Astronomic precession :
- Ais zero at the South pole
- Bcauses the gyro axis to spin to the left in the southern
hemisphere - Ccauses the gyro axis to spin to the right in the Southern
hemisphere - Dis zero at the North pole
9During 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 :- Aout of the organised route system.
- Bin random airspace.
- Cin a day flight route system.
- Din a night flight route system.
10Astronomic precession :
- Acauses the gyro axis to spin to the right in the Northern
hemisphere - Bcauses the gyro axis to spin to the left in the Northern
hemisphere - Cis zero at the North pole
- Dis zero at the South pole
- Acauses the gyro axis to spin to the right in the Northern
11The minimum navigation equipment required for an
aircraft flying without restriction in MNPS airspace can
be at the very least :- ATwo inertial navigation units and a DECCA.
- BThree inertial navigation units.
- COne inertial navigation unit
- DTwo inertial navigation units.
12Arriving 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 :- Acarries out a holding pattern
- Breturns to base immediately
- Ckeeps flying in accordance with the air-filed flight plan
- Dkeeps flying deviating its course by 30 nautical miles from
that of the air-filed flight plan
13146) The minimum lateral separation in the NAT region is:
- A60 NM between aircraft flying above FL285
- B60 NM between aircraft operating below MNPS airspace.
- C90 NM between aircraft flying above FL285.
- D90 NM between all aircraft flying in the NAT region.
14) 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 :- Atake an intermediate flight level
- Bdescend below the MNPS space
- Creturn to departure airport
- Dland at the nearest airport
15151) 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- A060°
- B110°.
- C340°
- D240°
1625) 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:- A+15°.
- B-5°
- C+5°
- D-15°
17The MNPS (Minimum Navigation Performance
Specification) airspace extends from- A30° North to 90° North.
- B27° North to 70° North.
- C30° North to 70° North.
- D27° North to 90° North.
1823) During the flight of two aircraft in MNPS airspace with a
leading aircraft flying at higher speed, the longitudinal
spacing must be at least :- A20 minutes
- B5 minutes
- C10 minutes
- D15 minutes
193) 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 :- Ain a random space
- Bout of the organized flight track system.
- Cwithin the organized daytime flight track system.
- Dwithin the organized night-time flight track system.
2012) The MNPS (Minimum Navigation Performance
Specification) airspace extends vertically between flight
levels:- A280 and 400
- B280 and 390
- C275 and 400
- D285 and 420.
21In 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:- AA Start its descent while turning to acquire a track separated
by 60 NM from its assigned route or track. - BStart its descent while turning to acquire a track separated
by 90 NM from its assigned route or track. - CDescend below FL275
- DStart its descent while turning to acquire a track separated
by 30 NM from its assigned route or track.
- AA Start its descent while turning to acquire a track separated
2246) 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:- AIf at FL410, climb 500 ft, while turning towards the alternate
aerodrome. - BIf at FL410, climb or descend 500 ft, while turning towards
the alternate aerodrome. - CIf at FL410, descend 1000 ft, while turning towards the
alternate aerodrome. - DIf at FL410, climb 1000 ft or descend 500 ft, while turning
towards the alternate aerodrome.
- AIf at FL410, climb 500 ft, while turning towards the alternate
2324) Which errors in "estimates" minutes shall be reported
by aircraft overflying the North Atlantic?- A2 or more.
- B3 or more.
- C5 or more.
- D10 or more.
2420) The ascent or descent through MNPS (Minimum
Navigation Performance Specification) airspace of a non
MNPS certified aircraft is :- Aforbidden in all cases
- Bauthorized when the aircraft has two precision navigation
systems - Cauthorized only if the aircraft is in radio contact with the
aircraft present in this space - Dauthorized under radar control if the aircraft is in VHF
contact with the MNPS controller
2518) The minimum lateral spacing to be maintained between
aircraft flying in MNPS airspace is :- A30 NM.
- B90 NM.
- C120 NM.
- D60 NM.
26Which separation will be provided if Reduced Vertical
Separation Minimum (RVSM) is used when operating in
MNPS airspace?- A60 NM lateral and 500 ft vertical.
- B90 NM lateral and 500 ft vertical.
- C60 NM lateral and 1000 ft vertical.
- D90 NM lateral and 1000 ft vertical.
2769) 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- A+32.5°.
- B+13°.
- C+73.5°.
- D-32.5°
2873) A check on the operation of the SELCAL equipment
during a transatlantic flight using the OTS (Organised
Track System) must be done :- APrior entering the NAT region.
- BAs soon as possible after entering the NAT region.
- CWhen crossing the oceanic airspace boundary.
- DAt or prior entering the NAT region.
2982) MNPS is the abbreviation for:
- AMinimum Navigation Performance Specification.
- BMaximum North-atlantic Precision System
- CMilitary Network Performance Structure
- DMinimum Navigation Positioning System.
30Minimum Navigation Performance Specification (MNPS)
airspace of the North Atlantic is comprised within :- Asea level and FL660 from North parallel 27 to the pole
- Bflight levels 280 and 475 from North parallel 27 to the pole
- Cflight levels 285 and 420 from the North parallel 27 to the
pole - Dflight levels 270 and 400 from the equator to the pole
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- Quiz on OP 122-57, created by Juan Jose Garcia Bellot on 02/06/2018.
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- Juan Jose Garcia Bellot
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