Set of flashcards 062 RNAV (Page 1 of 3)

Flashcards	86
Language	Deutsch
Category	Technology
Level	University
Created / Updated	31.05.2025 / 09.06.2025
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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

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 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

The requirements for initial, intermediate and final approach including missed approach are specified with:

RNP approach and RNP AR approach

Final approach is not part of the PBN concept

RNP 1 and RNP AR approach

RNP approach and RNP AR approach, except the missed approach

There are two modulation types of NDB's: NON/A1A and NON/A2A. Which of the following statements is true?

The transmitted identification modulation frequency of an NON/A1A station is 1020 Hz

In order to identify a NON/A2A station the BFO has to be activated

The bearing indicator is erratic when a NON/A2A station is identifying

The bearing indicator is erratic when an NON/A1A station is identifying

Which statement is correct for tracking towards an NDB in an area with constant wind and constant magnetic variation?

The Relative Bearing of the NDB should be equal to the QDM

The Relative Bearing of the NDB should be kept 000°

The Relative Bearing of the NDB should be equal (in magnitude and sign) to the applied Wind Correction Angle

The Relative Bearing of the NDB should be equal (in magnitude and sign) to the experienced Drift Angle

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

Which statement about Satellite Based Augmentation Systems (SBAS) is correct?

In an SBAS the pseudo-range corrections are determined by geostationary satellites and sent to the users by a network of ground stations

In an SBAS the pseudo-range corrections are sent to the users by geostationary satellites

In an SBAS the pseudo-range corrections are sent to the users by the satellites of the satellite systems e.g. by GPS-satellites for GPS

In an SBAS the pseudo-range corrections are determined by geostationary satellites and sent to the users by the satellites of the satellite system e.g. by GPS-satellites for GPS

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

With a GNSS Ground Based Augmentation System a correction is transmitted for amongst others

tropospheric- and ionospheric delays

ionospheric disturbances and receiver clock errors

satellite clock errors and multipath errors on the VHF broadcast

multipath errors and receiver errors

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

To double the range of an NDB: The power has to be…

… halved

… the same

… doubled (2 times bigger)

… quadrupled (4 times bigger)

What should be respected when executing an RF procedure?

Flight director guidance and speed constraints

Achieving a minimum bank of 40°

Achieving a maximum bank of 25°

ADF indication

Why is the BFO switched to ON?

To allow for direction finding with NON/A1A modulated NDB's

To allow for direction finding with NON/A2A modulated NDB's

To listen to the identification of NON/A1A modulated NDB's

To listen to the identification of NON/A2A modulated NDB's

The ground component of a DME is called?

Interrogator

Frequency-Interrogator

Transponder

Interonder

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

Using modern DME equipment meant for general navigation use, the accuracy expected is…

+/- 0.3 NM

+/- 0.5 NM

+/- 0.25 NM

+/- 0.2 NM

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

Which one of the following correctly lists the major ground based components of a Microwave Landing System (MLS)?

Combined azimuth and elevation transmitter, DME facility

Separate azimuth and elevation transmitters, outer and middle marker beacons

separate azimuth and elevation transmitter, DME facility

Combined azimuth and elevation transmitter, outer and inner marker beacons

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

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

What is the reason that a DME-station can generally respond to a maximum of 100 aircraft?

The automatic ground monitoring station of each DME-station has a limited capacity

The minimum allowable accuracy of the range-measurement cannot be guaranteed when more than about 100 aircraft are using the same DME-station

The number of reply pulse pairs per second that a DME-transponder can transmit is limited to a certain maximum value

The memory of the DME-station is limited

Which of the following errors is associated with the use of VOR?

coastal refraction

quadrantal error

night effect

scalloping

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

What RNAV 5 is used for:

En-route continental, arrival, departure and oceanic phases of flight

Departure and arrival phases of flight

Oceanic and remote phases of flight

En-route continental as well as the arrival phase of flight outside 30NM and above MSA

The clock correction parameters in the navigation message are used for:

correction of both, satellite time and receiver time

correction of the satellite time

correction of the receiver time

correction for the ionospheric delay

Which is the standard horizontal coverage area of the MLS?

+/- 35°

+/- 40°

+/- 80°

+/- 2.5°

What radius has a fixed radius transition (FRT) above FL195?

22.5NM

15 NM

20 NM

22NM

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°

Which statement about the pseudo-range corrections determined by a Satellite Based Augmentation System (SBAS) is correct?

Each user receives only the pseudo-range corrections for the satellite which are visible for this user in order to keep the correction-message as short as possible

The pseudo-range correction for a certain satellite is split up in separate corrections for the ephemeris error, the satellite clock error and the ionospheric error

The pseudo-range corrections are determined by a station network on the ground and for all satellites the same correction is sent to the users

In a SBAS the pseudo-range corrections are determined by geostationary satellites and sent to the users by a network of ground stations

The distance between a NAVSTAR/GPS satellite and receiver is:

determined by the time taken for the signal to arrive from the satellite multiplied by the speed of light

determined by the phase shift of the Pseudo Random Noise code multiplied by the speed of light

calculated from the Doppler shift of the known frequencies

calculated, using the WGS-84 reference system, from the known positions of the satellite and the receiver

What is the reason a DME-interrogator makes use of an irregular transmission sequence?

In this way the DME-transponder is able to determine from which aircraft each sequence of pulse pairs is received

In this way the DME-interrogator is able to estimate the size of the error in the range measurement

In this way the DME-interrogator is able to distinguish between his own reply pulse pairs and the reply pulse pairs of other aircraft

In this way the DME-transponder is able to apply the correct delay time to each sequence of pulse pairs received

Which statement is true about the navigation data in the navigation message of GPS?

The navigation data is checked and, if necessary, corrected by the satellite itself

During normal operation, the navigation data of one satellite is checked by other satellites in the constellation and, if necessary, corrected

The navigation data is uploaded to the satellites by the GPS control segment

The navigation data is valid for a period of 28 days

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

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°

Which of the following is correct regarding the range of an NDB?

The transmitter power of the NDB station has no affect on the range

Aircraft height is not limiting for the reception of signals from the NDB

The range of an NDB will most likely increase at day time compared to night time

The range is limited to the line of sight

Which of the following statements concerning the L1 and L2 NAVSTAR/GPS transmission frequencies and codes is correct?

The higher frequency is only used to transmit the P code

C/A and P codes are transmitted at different times on both frequencies

The higher frequency is used to transmit both the C/A and P codes

The lower frequency is used to transmit both the C/A and P codes

The reason why the measured distance between NAVSTAR/GPS satellite and a receiver is called a 'Pseudo-Range' is because the:

measured distance is based on the Pseudo Random Noise code

movement of satellite and receiver during the distance calculation is not taken into account

calculated range is based on an idealised Keplerian orbit

calculated range includes receiver clock error

Which statement is correct for homing towards an NDB in an area with constant wind and constant magnetic variation?

The Relative Bearing of the NDB should be equal (in magnitude and sign) to the applied Wind Correction Angle.

The Relative Bearing of the NDB should be equal (in magnitude and sign) to the experienced Drift Angle.

The Relative Bearing of the NDB should be equal to the QDM.

The Relative Bearing of the NDB should be kept 000°.

Which error of the on-board performance monitoring and alerting system for PBN operations is managed by on-board systems or crew procedures (pilot monitoring)?

Total System Error (TSE)

Path Definition Error (PDE)

Navigation System Error (NSE)

Flight Technical Error (FTE)

062 RNAV

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