Navigation Flashcards

0
Q

What is 1 degree of latitude in nautical miles?

A

60nm

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1
Q

What is 1 minute of latitude in nautical mile?

A

1 nautical mile

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2
Q

What is 1 nautical mile in kilometres?

A

1.852km

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3
Q

What is the fuel we expect to consume in flight?

A

Flight fuel

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4
Q

What is fixed reserve?

A

Fixed number of gallons or litres to be added to flight fuel

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5
Q

What is variable reserve?

A

Operators require flight fuel to be increase by Fixed percentage (usually 15%)

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6
Q

What is ‘minimum fuel’?

A

Minimum fuel can be found by multiplying flight fuel by 1.15 and adding fixed reserve and taxi fuel

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7
Q

What is the arc time relationship for: 360 degrees, 15 degrees, 1 degree, 15’, 1’?

A
360 degrees = 24 hours
15 degrees = 1hour
1 degrees = 4minutes
15minutes = 1minute
1minute = 4 seconds
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8
Q

What is EST to UTC.?

A

-10
UTC to est is +10
Tas,vic,nsw,qld

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9
Q

What is CST to UTC?

A

-9.5hrs
UTC to CST +9.5
Sa,nt

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10
Q

What is WST to UTC?

A

-8hours
UTC to WST +8
Wa

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11
Q

When is beginning of daylight?

A

When centre of sun reaches a position of 6degrees below the celestial horizon

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12
Q

When is end of daylight?

A

When sun reaches 6 degrees below celestial horizon

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13
Q

What is ‘track’?

A

Actual path of aircraft across ground or map

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14
Q

What is a ‘heading?’

A

Direction aircraft points along particular track

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15
Q

Headings and tracks are expressed in what? Magnetic or true?

16
Q

What is drift?

A

Angular difference between heading held and the track

17
Q

What factors affect drift?

A

Strength of wind
Wind direction
TAS of the aircraft

18
Q

How do you find QNH at aerodrome with known elevation?

A

Set elevation on altimeter and check subscale

19
Q

When should you use the QNH?

A

Within 100nm of station

20
Q

What do you use if there is no QNH within 100nm?

21
Q

Levels measured from local QNH are known as what?

22
Q

Levels measured from 1013 datum are known as what?

A

Flight levels

23
Q

What is the highest possible altitude and lowest flight level?

A

A100

FL110

24
How do you calculate how long it will take you to travel a distance in nm?
(Distance(nm) divided by Ground speed) x 60 =minutes
25
How do you calculate rate of climb?
Climb height divided by how long it will take = feet/min
26
What is the agonic line?
Line with nil magnetic variation
27
What is the isogonal lines?
Lines with magnetic variation
28
What errors are on the ADF-NDB system?
``` Co channel interference Coastal refraction Thunderstorm effect Mountain effect Night effect Quadrant error ```
29
Which errors affect VOR?
``` Vertical polarisation Terraign error Aggregate error Ground station error Site error ```
30
What frequency does NDB use?
Medium frequency
31
An aircraft climbs from sea level at constant IAS in standard atmosphere, what happens to TAS and OAT as aircraft climbs?
TAS increases and OAT decreases
32
Area QNH has limits of plus or minus what?
5hPa
33
What is the formula for distance to descend?
Time to descent divided by 60 times by ground speed =nm
34
What is track error?
(60 / distance travelled) x distance off track
35
What is calculated angle?
(60 / distance to go) x distance off track