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5. CPLH Navigation > CNAV Practice Cards 1 > Flashcards

CNAV Practice Cards 1 Flashcards

Practice Exam Cards to test your Navigation Knowledge

1
Q

Magnetic deviation is …

A

the angular difference between compass north and magnetic north, expressed in degrees East or West

Part 61 MOS Schedule 3 - 2.1.1 CNVC - Magnetic Deviation

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2
Q

38 USG of fuel is on board at takeoff for a flight with the following details:

Planned Fuel Flow………………..9 USG per hour

Distance…………………………….185 nm
Track…………………………………..225 degrees magnetic
Forecast wind………………………120 degrees True at 25 kts
Magnetic Variation…………………5 West
Planned TAS…………………………240 kts

The amount of planned fuel remaining on landing at the conclusion of this flight, converted to whole litres is closest to …

A

between 115 lt and 122 lt

Part 61 MOS Schedule 3 - 2.4 CNVC - Convert USG to Litres

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3
Q

Refer Image 1

The distance from A-B is 140nm and the FPT markers p,q and r are at 40 nm intervals. On departure from A at 0520Z, the ETA for B was 0640Z. You are 4 minutes early at position X.
Your revised estimate for arrival at B is …

Image 1
A

between 0625 UTC and 0627 UTC

Part 61 MOS Schedule 3 - 2.5 CNVC - Revise ETA

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4
Q

The Non Directional Beacon (NDB) propagates a signal primarily by the use of …

A

ground waves

Part 61 MOS Schedule 3 - 2.6 CNVC - NDB Principles

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5
Q

Your heading is 325 degrees M and your ADF reads 350 degrees R.
The OBS setting you should select to give command indications to fly to a VOR at the same aerodrome as the NDB is …

A

315

Part 61 MOS Schedule 3 - 2.6 CNVC - VOR indications

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6
Q

Refer Image 2

p= 4nm
D1= 40nm
D2= 120nm
A constant HDG has been held from A-B.
The track error is …

Image 2
A

6 degrees left

PArt 61 MOS Schedule 3 - 2.5.1 CNVC - Track Error

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7
Q

The navigation technique to use if you are lost is …

A

establish the most probable position and read from groud to map

Part 61 MOS Scedule 3 - 2.5.1 CNVC - Lost Procedures

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8
Q

Two aerodromes are on the same meridian. One is on 26° S latitude, while the other is on 28° S latitude. The distance between the two aerodromes is …

A

120nm

Part 61 MOS Schedule 3 - 2.1.1 CNVC - Lattitude and nautical miles

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9
Q

In one degree of latitude, the number of nautical miles represented is …

A

60nm

Part 61 MOS Schedule 3 - 2.1.1 CNVC - Distance on the Earth

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10
Q

For aerodromes on the same meridian, the LMT for BOD will …

A

always be the same on the spring and autumn equinox

Part 61 MOS Schedule 3 - 2.2 CNVC - Beginning of daylight

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11
Q

Refer Image 3

The CTA steps are centred on aerodrome A. The aircraft is at position X - 5000 ft AMSL. Climbing GS 75kt.
If controlled airspce protection is desired (remain at least 500ft above the LL), the minimum rate of climb required, for a continuous climb on track from X, is closest to …

Image 3
A

between 185 fpm and 195 fpm

Part 61 MOS Schedule 3 - 2.4 CNVC - ROC

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12
Q

Scale is contracted on a WAC …

A

between the standard parallels

Part 61 MOS Schedule 3 - 2.3 CNVC - Properties of Lamberts Chart

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13
Q

When a destination aerodrome is due east of the departure aerodrome in the southern hemisphere, a flight which followed the rhumb line track from departure to destination would diverge …

A

to the left of the straight line drawn on a WAC chart

Part 61 MOS schedule 3 - 2.1.1 CNVC - Rhumb lines and great circles

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14
Q

An acceptable method of obtaining a radio navigation aid fix is to use …

A

a VOR and a DME tuned to the same station

Part 61 MOS Schedule 3 - 2.6 CNVC - Establish radio fix

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15
Q

When over flying a VOR station, one of the cockpit indications you would expect to see on the VOR display is …

A

the flag and CDI will oscillate briefly then a steady ‘FROM’ indication will be displayed

Part 61 MOS Schedule 3 - 2.6 CNVC - Station Passage on a VOR

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16
Q

The duration of the period of twilight increases …

A

as latitude increases

Part 61 MOS Schedule 3 - 2.2 CNVC - Factors affecting duration of daylight

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17
Q

The chart which is a Mercator Projection is the …

A

Visual Terminal Chart (VTC)

Part 61 MOS Schedule 3 - 2.3 CNVC - Properties of a Mercator chart

18
Q

8 pm Western Standard Time expresses in UTC is …

A

1200 UTC

Part 61 MOS Schedule 3 - 2.2 CNVC - Convert WST to UTC

19
Q

If approaching an NDB from the west, the approcimate instrument that would confirm that you are overflying the station for a fixed card ADF is that the needle will change from …

A

000 to 180

Part 61 MOS Schedule 3 - 2.6 CNVC - Station passage on an ADF

20
Q

Given the following information:
Wind - 240T/30
Runways available - 03/21 and 09/27
Magnetic variation - 10E
The runway with the greatest headwind component is …

A

RWY 21

Part 61 MOS Schedule 3 - 2.4 CNVC - Determine Headwind

21
Q

Refer WAC MELBOURNE and ERSA

At 0400Z you set course overhead WANGARATTA for WEST SALE airport. Your initial heading is 151M.
At 0424Z you are overhead Mount Buller Alpine Village (located appx. 44 nm from WANGARATTA)
The new heading your required to track direct to WEST SALE from this position is …

A

Between 134 M and 138 M

Part 61 MOS Schedule 3 - 2.5 CNVC - HDG Change to Intercept Track

22
Q

Refer ERSA, VTC and ERC:

The letters transmitted in the morse code identifier for the SUNSHINE COAST VOR are …

A

SU

Part 61 MOS Schedule 3 - 2.6 CNVC - Identify VOR

23
Q

Refer to below image

HDG and TAS have been constant from A to B.

p = 6 nm
D = 40 nm

The track error experienced is …

A

9 degrees L

Part 61 MOS Schedule 3 - 2.5.1 CNVC - Track Error

24
Q

You are cruising at A100 prior to descent into YKDL.

You have the following information:

ELV YKDL ………………………… 2500 ft
QNH ……………………………….. 1013 HPA
Descent ground speed …………. 120 kt
Descent distance …………………. 20 nm

Your calculation of the rate of descent necessary to arrive overhead YKDL at 1500 ft AGL is …

A

600 fpm

Part 61 MOS Schedule 3 - 2.4 CNVC - Calculate ROD

25
Your VOR is correctly tuned to a VOR ground station. You have the following cockpit indications: Heading ........................... 060M VOR OBS ........................ 050 degrees CDI .................................. centre Flag ................................. TO The magnetic bearing to the VOR ground station from your present position is ...
050M ## Footnote Part 61 MOS Schedule 3 - 2.6 CNVC - VOR Position Line
26
When a destination aerodrome is due east of the departure aerodrome in the southern hemisphere ...
a flight which followed the rhumb line track from depature to destination would diverge to the left of the straight line drawn on a WAC chart ## Footnote Part 61 MOS Schedule 3 - 2.1.1 CNVC - Rhumb lines and great circles
27
# Refer to below image: p = 2 nm q = 4 nm D1 = 40 nm D2 = 20 nm A constant HDG of 125M has been held from A to B. The new HDG required from B to intercept track at X is ...
140 degrees M ## Footnote Part 61 MOS Schedule 3 - 2.5 CNVC - HDG Change to Intercept Track
28
# Given the below information: Aerodrome ELV .......... 1250 ft Cruise level ................. A075 Area QNH ................... 1023 HPA ISA Deviation..............+10° at all levels Magnetic Variation ....................6 West Ambient Wind at all levels........220° M/15 kts Climb TAS .............................. 85 kt Climb Track...........................335° M Start of climb ......................... 1000 ft Above Aerodrome Elevation at 10 nm from the departure airport, tracking directly away from the airport Your calculation of the rate of climb required to reach cruise level 46 nm from the departure airport is ...
between 210 fpm and 230 fpm ## Footnote Part 61 MOS Schedule 3 - 2.4 CNVC - TOPC Position
29
# Refer WAC MELBOURNE and ERSA At 0400Z you set course overhead WANGARATTA for WEST SALE airport. Your initial heading is 151M. At 0424Z you are overhead Mount Buller Alpine Village (located approximately 44 nm from WANGARATTA). The new heading your require to track direct to WEST SALE from this position is ...
between 134 M and 138 M ## Footnote Part 61 MOS Schedule 3 - 2.5 CNVC - HDG Change to Intercept Track
30
# Refer WAC MELBOURNE and ERSA At time 0200Z you set course overhead BENDIGO for WANGARATTA. 15 minutes later you divert left of track to avoid bad weather and fly eventually to overhead TATURA (west of SHEPPARTON). You have the following inflight information overhead TATURA Cruise level .......................... A055 GPWT wind at A055............ 33 035 TAS .................................... 115 kt The new heading required to track direct from TATURA to WANGARATTA is ...
061 degrees M ## Footnote Part 61 MOS Schedule 3 - 2.5 CNVC - Alternation of HDG
31
# Refer below image: The CTA steps are centred on aerodrome A. The aircraft is at position X - 5500 ft AMSL. Climb ground speed is 120 kt. Ignoring the navigational tolerance, to maintain controlled airspace protection, the minimum constant rate of climb for a continuous climb on track from X is closest to
360 fpm or 3.0% ## Footnote Part 61 MOS Schedule 3 - 2.4 CNVC - ROC
32
# Refer ERSA, VTC and ERC The BRISBANE VOR frequency is ...
113.2 Mhz ## Footnote Part 61 MOS Schedule 3 - 2.6.1 CNVC - Extract VOR Information
33
A definition of Heading (HDG) is ...
the longitudinal orientation of the aircraft nose compared to true or magnetic north ## Footnote Part 61 MOS Schedule 3 - 2.5 CNVC - Define HDG
34
35
A correct list of some properties of a Mercator's Chart would be
approximately straight rhumb lines, great circles curved concave to the equator and conformal ## Footnote Part 61 MOS Schedule 3 - 2.3 CNVC - Properties of Mecator Chart
36
# Given the following information Cruise level ................................. A065 VOR ground station ELV .............. MSL The rated coverage of the VOR at this cruise level is
90 nm ## Footnote Part 61 MOS Schedule 3 - 2.6.1 CNVC - VOR Rated Coverage
37
# Refer WAC BRISBANE and ERSA You are cruising overhead SURAT flying on the direct track from SURAT (approximately 40 nm south of ROMA) to DALBY. During the flight, the best feature for you to plan to obtain a ground speed check on that sector would be ...
crossing the MILES to The Gums road ## Footnote Part 61 MOS Schedule 3 - 2.5.1 CNVC - Select Position Line for GS Check
38
Coastal refraction is an error associated with ...
ADF/NDB ## Footnote Part 61 MOS Schedule 3 - 2.6 CNVC - ADF Errors
39
# Refer WAC BRISBANE and ERSA At 0218Z you are overhead KILCOY airstrip enroute to MILES Township, which you measure as being 130 nm WNW of your present position. You have a constant groundspeed of 150 kt. Your estimate of the distance remaining to MILES Township at 0250Z is closest to ...
50 nm ## Footnote Part 61 MOS Schedule 3 - 2.5 CNVC - Establish a DR Position
40
Your ADF is correctly tuned to an NDB. You have the following cockpit indications: Heading ............................. 195° M ADF relative bearing ............ 220° To your present position, the magnetic track FROM the NDB is
235°M ## Footnote Part 61 MOS Schedule 3 - 2.6 CNVC - ADF Position Line

5. CPLH Navigation (5 decks)

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