Set of flashcards 062 RNAV (Page 1 of 3)

Flashcards	108
Language	Deutsch
Category	Technology
Level	University
Created / Updated	31.05.2025 / 21.06.2025
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'Beam bends' in the ILS approach path are

slight curves that can be followed by larger aircraft

curves in the normal approach procedure because of 'noise abatement'

curved approaches made with the aid of the instrument landing system

curves in the glide path that are visible on the indicator, but change too fast to be followed by larger aircraft

108.35 MHz can only be:

an ATC frequency.

a VOR frequency.

an ILS frequency.

a NDB frequency.

A cumulonimbus cloud in the vicinity of an aeroplane can cause certain navigation systems to give false indications. This is particularly true of the:

VOR

DME

ADF

weather radar

A cumulonimbus cloud in the vicinity of an aeroplane can cause certain navigation systems to give false indications. This is particularly true of the:

VOR

DME

ADF

weather radar

A DME measurement is initiated by

the interrogator in the DME-station

the transponder in the DME-station

the transponder in the aircraft

the interrogator in the aircraft

A DME-measurement is initiated by

the transponder in the aircraft

the interrogator in the DME-station

the transponder in the DME-station

the interrogator in the aircraft

A pseudo range in GNSS is an error to the actual range mainly because of:

Tropospheric delays

Satellite clock error

Ionospheric delays

Receiver clock error

Almanac data stored in the receiver of the satellite navigation system NAVSTAR/GPS is used for the:

assignment of received PRN-codes (Pseudo Random Noise) to the appropriate satellite

recognition whether Selective Availability (SA) is operative

fast identification of received signals coming from visible satellites

correction of receiver clock error

An aircraft is "homing" to a radio beacon whilst maintaining a relative bearing of zero. If the magnetic heading decreases, the aircraft is experiencing:

zero drift

a wind from the west

left drift

right drift

An aircraft is flying a heading of 245° towards a VOR at FL300. The HSI displays a “selected course” of 255° with a TO-indication. The variation at the VOR is 15°E. Variation at the aircraft position is 16°E and the deviation is +1°. When the pilot keeps the CDI on the left inner dot on a display with two dots on either side

the VOR will be approached along radial 070.

the VOR will be approached along radial 080.

the aircraft will pass south of the VOR.

the aircraft will pass north of the VOR.

An aircraft tracking to intercept the ILS localiser inbound on the approach side, outside the published ILS coverage angle:

only glide path information is available

can expect signals to give correct indications

may receive false course indications

will receive signals without identification coding

An RNP approach to LPV Minima requires …

SBAS

GBAS

RAIM (5 satellites)

RAIM (6 satellites)

Basic RNAV (B-RNAV) requires a track-keeping accuracy of:

± 5 NM (95% of flight time)

± 8 NM (95% of flight time)

± 10 NM (95% of flight time)

± 2 NM (95% of flight time)

Concerning PBN which of the following terms refers to fixed radius path for e-route sections?

RF leg type

TRF leg type

FRT leg type

TMA leg type

Consider an aircraft flying a MH of 100°, a course set to 105° and displaying a full left deviation bar with a TO indication. In which sector does the aircraft fly in relation to the VOR station (VAR= 15° W)?

SW

NW

NE

SE

Define a cycle:

The fraction of one wavelength expressed in degrees from 000° to 360°.

A complete series of values of a periodical process.

A form of radiomagnetic energy.

The state of the radio waves.

GPS receivers, using both GPS-frequencies L1 and L2, can nearly eliminate:

both, the ionospheric and the atmospheric propagation delay

position dilution of precision

ionospheric propagation delay

atmospheric propagation delay

How do RNAV and RNP systems enable an optimized utilization of available airspace?

By enabling reduced route spacing

By increasing the maximum permitted speed below FL100

By increasing the coverage range of conventional NAVAIDs

By reducing the minimum vertical separation to 1000ft between FL290 and FL410

How does a NAVSTAR/GPS satellite navigation system receiver identify an individual satellite?

Each satellite transmits its signal on the same frequency but with an individual random code

The receiver detects the direction from which the signals are received and compares this information with the calculated positions of the satellites

Each satellite transmits its signal on a separate frequency

Each satellite transmits its signal on the same frequency but with an individual pseudo-random code

How does a NAVSTAR/GPS satellite navigation system receiver identify an individual satellite?

Same frequency with individual random code

Direction detection and comparison

Each uses a separate frequency

Same frequency with individual pseudo-random code

How does a receiver of the NAVSTAR/GPS satellite navigation system determine the elevation and azimuth data of a satellite relative to the location of the antenna?

The data is stored in the receiver together with the Pseudo Random Noise (PRN) code

The data is determined by the satellite and transmitted together with the navigation message

It calculates it by using Almanac data transmitted by the satellites

The data is based on the direction to the satellite determined at the location of the antenna

How does a receiver of the NAVSTAR/GPS system determine the elevation and azimuth of a satellite relative to the antenna?

It calculates it by using Almanac data transmitted by the satellites

The data is based on the direction to the satellite determined at the location of the antenna

The data is determined by the satellite and transmitted together with the navigation message

The data is stored in the receiver together with the Pseudo Random Noise (PRN) code

How many clocks are installed in each NAVSTAR GPS satellite?

3

4

1

2

If a failed RMI rose is stuck on 090° and the ADF pointer indicates 225°, the relative bearing to the station will be:

315°

225°

Impossible to read, due to the RMI failure

135°

ILS is subject to false glide paths resulting from…

ground returns ahead of the antennas

spurious signals reflected by nearby obstacles

back-scattering of antennas

multiple lobes of radiation patterns in the vertical plane

ILS produces:

a radiation pattern which is amplitude modulated by the VHF frequency of the ILS.

a radiation pattern which is amplitude modulated by a 90 Hz and a 150 Hz signal.

two lobes modulated in frequency by a 90 Hz and a 150 Hz signal.

a 90 Hz lobe and a 150 Hz lobe which are amplitude modulated by the VHF frequency of the ILS.

In a satellite assisted navigation system (GNSS/GPS) a position line is obtained by:

Timing the period that is taken for a satellites transmission to reach the aircrafts receiver

The aircrafts receiver measuring the time difference between signals received from a minimum number of satellites

Timing the period that is taken for a transmission from the aircrafts transmitter/receiver to reach and return from a satellite in a known position

The aircrafts receiver measuring the phase angle of the signal received from a satellite in a known position

In accordance with Doc 8168, a pilot flying an NDB approach must achieve a tracking accuracy within... of the published approach track.

+/-10°

+/-2.5°

+/-2°

+/-5°

Must an RNP approach be stored in the on-board navigation database?

It depends on the published RNP approach

Yes, an RNP approach must be retrievable by procedure name from the on-board database

The RNP approach will be stored in the navigation data base only if the data storage capacity is sufficient

No, for safety reasons the manual insertion of the RNP approach into the navigation system is required

One of the possible disturbances of the ILS signal is "scalloping". Which statement is correct?

Scalloping are rapid changes or bends which can be followed by the aircraft

Scalloping are major changes or bends in the approach path which can not be followed by the aircraft

Scalloping are minor changes or bends which can be followed by the aircraft

Scalloping causes rapid indicator changes from side to side of the intended approach path which can not be followed by the aircraft

One of the tasks of the GPS control segment is:

to calculate and transmit differential corrections to users which are able to receive Wide Area Differential GPS systems

to control continuously the position and the motion of GPS-satellites

to regulate the transmitted power by the satellites

to determine and send new ephemeris and new satellite clock error data to the GPS-satellites

One of the tasks of the space segment of the satellite navigation system NAVSTAR/GPS is to:

compute the user position from the received user messages and to transmit the computed position back to the user segment.

monitor the satellite's orbits and status.

transmit signals to suitable receivers and to monitor the orbital planes autonomously.

transmit signals which can be used, by suitable receivers, to determine time, position and velocity.

PBN path terminator "CA" means:

Centre Altitude

Centre Approach

Course to an Attitude

Course to an Altitude

Pulse Modulation is ...

used to transport VHF Voice signals

limited to VHF-waves

used in radar by transmitting short pulses followed by larger interruptions

used by the GNSS

Regarding NAVSTAR/GPS which of the following statements is correct?

It takes 7 minutes for a GPS receiver to receive all the data frames in the navigation message

The almanac contains only the orbital data of the specific satellite

The clock correction parameters are data for correction of the satellite clock

All of the above

RNAV 1 and RNP 1 are used:

in the arrival and departure phase of flight

in the approach phase of flight

in all phases of flight, except for oceanic and remote phase

in the departure phases of flight

RNAV 10 and RNP 4 are used ...

in the approach phase of flight

in the oceanic and remote phase of flight

in the continental phase of flight

in the en-route phase of flight

Select the correct statement about RNP 1 in relation to the Performance Based Navigation (PBN) concept.

RNP 1 does not exist in the PBN concept.

RNP 1 is an example of navigation application in the PBN concept.

RNP 1 is an example of navigation specification in the PBN concept.

RNP 1 determines the accuracy of the onboard navigation system and is not an example of a component in the PBN concept.

Skip distance is the distance between the …

begin of the skip zone and the receiver

transmitter and the receiver

transmitter and the point on the surface of the Earth where the first sky wave return arrives

limit of the surface wave and the sky wave

Skip zone is the distance between the ...

transmitter and the point on the surface of the Earth where the first sky wave return arrives.

begin of the skip distance and the receiver.

limit of the surface wave and the sky wave.

transmitter and the receiver.

062 RNAV

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