Navigation Practice Cards 3

Question 1

The form of the Earth is described as an oblate spheroid, being slightly larger diameter at the …

Answer 1

equator, and rotating anti-clockwise when viewed from above the North Pole

Part 61 MOS Schedule 3 - 2.5.1 CNVC - form of the earth

Question 2

During a VFR flight, the technique of reading from the map to the ground should be used …

Answer 2

only after a dead reckoning position is established

Part 61 MOS Schedule 3 - 2.5.1 CNVC - Principles of map reading

Question 3

Direction on a WAC chart should be measured by reference to the mid meridian because …

Answer 3

the chart is a conic projection

Part 61 MOS Schedule 3 - 2.1.1 CNVC - Form of the Earth(e)

Question 4

The longest night of the year occurs at the …

Answer 4

winter solstice

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

Question 5

If you are unsure of your current position and you wish to track direct to the nearest VOR station, the correct method is to turn on the VOR, tune it to the nearest station, listen for the station ident and …

Answer 5

Turn the OBS knob until the CDI centres with ‘TO’ showing, then fly a heading that keeps the CDI centred

Part 61 MOS Schedule 3 - 2.6 CNVC - Track to VOR station

Question 6

Refer to ERSA:

The rated coverage of the WYNYARD (TAS) NDB over the sea during the day is

Answer 6

160 nm

Part 61 MOS Schedule 3 - 2.6 CNVC - Determine the rated coverage of an NDB

Question 7

Given the following information:

Cruise level …………………….. A045
GPWT wind at A045 ……….. 14 040
FPT ……………………………… 220 M
Magnetic variation ……………. 10E
TAS ……………………………… 110 kt

Your calculation of the planned HDG and GS are closest to

Answer 7

199 M and 102 kt

Part 61 MOS Schedule 3 - 2.4 CNVC - HDG and GS

Question 8

Your ADF is correctly tuned to an NDB.

You have the following cockpit indications:

Heading ………………………….. 110 degrees M
ADF relative bearing …………… 270 degrees

From your present position, the magnetic track TO the NDB is …

Answer 8

020 degrees M

Part 61 MOS Schedule 3 - 2.6 CNVC - ADF Position

Question 9

Rate of climb ……………………. 300 fpm
TAS ………………………………… 100 kt
Track Made Good ……………. 115 degrees Magnetic

Ambient Wind at all levels……………….170 degrees True/30 kts
Magnetic Variation…………………………14 East

The climb gradient you are achieving over the ground, expressed as a percentage, is closest to …

Answer 9

4.0%

Part 61 MOS Schedule 3 - 2.4 CNVC - Climb Gradients

Question 10

150 lt of AVGAS with a SG of 0.72, converted to kilograms would give a weight of …

Answer 10

108 kg

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

Question 11

p = 8 nm
q = 4 nm
D1 = 30 nm
D2 = 40 nm

A constant HDG of 135M has been held since from A to B.

The new HDG required from B to intercept track at X is …

Answer 11

133 M

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

Question 12

You have held a constant HDG and TAS from A to B.

p = 3 nm
q = 6 nn
D1 = 90 nm
D2 = 45 nm

The alteration to your HDG required at B to intercept track at X is …

Answer 12

10° right

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

Question 13

p = 2 nm
q = 8 nm
D1 = 100 nm
D2 = 60 nm

HDG and TAS have been constant since departing A at 0540Z. You arrive at B at 0612Z and make an alteration to HDG to regain track in 60 nm.

Your calculation of the time when you will you regain track, 60 nm from B, is closest to

Answer 13

between 0630 Z and 0632 Z.

Part 61 MOS Schedule 3 - 2.5 CNVC - Revise ETA using Time/Distance Proportion

Question 14

Given the following information:

FPT ………………………….. 080T
GPWT wind ………………. 13 025
TAS …………………………. 80 kt
Magnetic variation ……….. 10E

Your calculation of the HDG and GS respectively are closest to …

Answer 14

084M and 61 kt

Part 61 MOS Schedule 3 - 2.4 CNVC - HDG and GS

Question 15

You departed DALBY for TAROOM at 2300Z, holding a HDG of 315M. At time 2326Z you obtain a positive fix left of track, overhead CHINCHILLA Township.

Your calculation of the drift you have experienced and the new HDG required to fly from CHINCHILLA direct to TAROOM, are closest to …

Answer 15

18 degrees left and 333M

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

Question 16

p = 4 nm
q = 4 nm
D1 = 80 nm
D2 = 60 nm

A constant HDG of 120M has been held from A to B.

The new HDG required from B to intercept track at X is closest to

Answer 16

130 M

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

Question 17

Refer VTC HOBART:

Approximately 14 nm north of HOBART is BROWN MTN.

The purple shading around BROWN MTN indicates …

Answer 17

an area where less than 500 ft clearance exists between terrain and CTA lower limit

Part 61 MOS Schedule 3 - 2.3.3 CNVC - Decode VTC

Question 18

Refer to PCA:

You are planning a flight from BRISBANE to HAY in central NSW.

For the complete flight you will require GAF’s …

Answer 18

QLD-S, NSW-E and NSW-W

Part 61 MOS Schedule 3 - 2.3 CNVC - Extract Information from PCA

Question 19

The VOR operates on the principle of …

Answer 19

phase differential

Part 61 MOS Schedule 3 - 2.6 CNVC - VOR Principles

Question 20

Properties of a Lambert’s Conformal Chart would be …

Answer 20

approximately correct scale, conformality (orthomorphism) and approximately straight great circles

Part 61 MOS Schedule 3 - 2.3 CNVC - Chart Properties

Question 21

Magnetic variation is …

Answer 21

the angular difference between true north and magnetic north, expressed in degrees east when the Magnetic North Pole on a compass indicates to right of the true North Pole

Part 61 MOS Schedule 3 - 2.1.1 CNVC - Magnetic Deviation

Question 22

2 AM EST on 22nd December 2017, written as a six figure group as used on a GAF, would be …

Answer 22

211600 Z

Part 61 MOS Schedule 3 - 2.3.3 CNVC - Extract Information from ERC/PCA

Question 23

280 lt of AVGAS with a SG of 0.70, converted to kg would give a weight of …

Answer 23

196 kg

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

Question 24

On a WAC chart, parallels of latitude curve …

Answer 24

concave to the pole

Part 61 MOS Schedule 3 - 2.3 CNVC - Properties of WAC

Question 25

An error associated with the VOR is ...

Answer 25

ground station error ## Footnote Part 61 MOS Schedule 3 - 2.6 CNVC - VOR Errors

Question 26

# Given the following information: Chart Bearing ................. 035° T Magnetic variation ........... 6° W Magnetic deviation .......... 2° E The compass bearing is ...

Answer 26

039M ## Footnote Part 61 MOS Schedule 3 - 2.1 CNVC - Apply Magnetic Variation

Question 27

p = 2 nm q = 4 nm D1 = 40 nm D2 = 20 nm You have held a constant HDG and TAS since A. The alteration required to your HDG at B to intercept your planned track at X is ...

Answer 27

21 degrees left ## Footnote Part 61 MOS Schedule 3 - 2.5 CNVC - HDG Change to Intercept Track

Question 28

= 6 nm D = 90 nm T = 300 degrees M A HDG of 295 degrees M and a constant TAS have been held from A to B. The drift you have experienced is ...

Answer 28

9 degrees right ## Footnote Part 61 MOS Schedule 3 - 2.5 CNVC - Calculate Drift

Question 29

Pressure height .............. 9000 ft OAT .............................. +10 degrees C CAS .............................. 115 kt Your determination of the TAS is closest to ...

Answer 29

135 kt ## Footnote Part 61 MOS Schedule 3 - 2.4 CNVC - CAS and TAS

Question 30

p = 7.5 nm D = 45 nm T = 092 degrees M You have held a constant HDG of 094M and a constant TAS from A to B. You calculate the drift to be ...

Answer 30

8° right ## Footnote Part 61 MOS Schedule 3 - 2.5 CNVC - Calculate Drift

Question 31

If the track made good is 316 degrees M and the heading held is 305 degrees M, the drift is ...

Answer 31

11° right ## Footnote Part 61 MOS Schedule 3 - 2.5 CNVC - Determining the drift experienced

Question 32

An aircraft which tracks along the 030 omni radial from a VOR station follows what path ...

Answer 32

a great circle ## Footnote Part 61 MOS Schedule 3 - 2.6 CNVC - VOR position lines

Question 33

If you are departing from RWY 20 with a wind of 170 degrees M at 25 kt, the cross wind component is ...

Answer 33

12 kt from the left ## Footnote Part 61 MOS Schedule 3 - 2.4 CNVC - Determining the cross wind component

Question 34

The time taken for the sun to cross two consecutive meridians is closest to ...

Answer 34

4 minutes ## Footnote Part 61 MOS Schedule 3 - 2.1 CNVC - Effect of Earth's Rotation

Question 35

If an aircraft is operating in the vicinity of Gladstone (YGLA) QLD it must broadcast its intentions on ...

Answer 35

and listen out on 118.8 Mhz

Question 36

D = 40 nm E = 8 degrees ATD A = 0430Z ATA B = 0445Z HDG and TAS have been constant from A to B. Heading is changed by 16 degrees left at B. You would expect to regain the required track at ...

Answer 36

between 0458 Z and 0502 Z ## Footnote Part 61 MOS Schedule 3 - 2.5 CNVC - Estimate ETI to Diversion Point

Question 37

# Given the following information GPWT wind .................. 28 020 FPT .............................. 155 degrees M TAS .............................. 80 kt Magnetic variation .......... 10 degrees W Your calculations of the planned heading and groundspeed respectively are closest to ...

Answer 37

165 degrees M and 93 kt ## Footnote Part 61 MOS Schedule 3 - 2.4 CNVC - HDG and GS

Question 38

The fuel in the tanks totals 8 USG, however the fuel required at the start of the flight is 32 USG. The minimum quantity of fuel to be added to the tank before the flight commences is ...

Answer 38

91.2 lt ## Footnote Part 61 MOS Schedule 3 - 2.4 CNVC - USG to Litres Conversion

Question 39

# Given the following information: You have arrived over your destination and find unforecast fog to be obscuring the runway for your landing Fuel on board ........... 37 USG Fuel flow .................. 7.9 USG/hr for cruise and holding Your planned fuel on landing must not be less than 5 USG You make a command decision to: hold overhead the aerodrome for 30 minutes in the hopes the fog clears, but then at last resort: divert to the nearest aerodrome you can find before last light forces you to land and sleep in a paddock Your calculation of the remaining planned flight fuel available after the hold to then divert (measured in whole litres) is closest to ...

Answer 39

between 101 litres and 110 litres ## Footnote Part 61 MOS Schedule 3 - 2.4 CNVC - Fuel Consumption

Question 40

The direction on a WAC chart should be measured by referance to the mid meridian because ...

Answer 40

the chart is a projection cone