Navigation - AC

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This flashcard set covers university-level aviation navigation concepts, focusing on key elements like ground speed, true course, wind vectors, and flight planning. It delves into calculations involving true airspeed, magnetic variation, and distance, essential for pilots navigating VFR flights. The set also includes practical examples and scenarios, such as determining flight times and magnetic courses, making it invaluable for aspiring pilots and aviation students seeking to master the intricacies of flight navigation.

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On which position is the DVOR/DME Linz (LNZ) located?

N48°14', E014°11'.

N48°13', E014°06'.

N48°10', E014°02'.

N48°12', E013°20'.

The city of Hamburg is located on meridian 10°E, using a standard time of UTC + 1 h or UTC + 2 h (summer daylight savings). Which of the following statements is correct for an arbitrary time during one year?

UTC: Universal Time Coordinated

LMT: Local mean time

ST: Standard time

UTC, LMT and ST always have different values during the whole year

LMT and ST are always the same, only the value of UTC is different

UTC and ST are always the same, only the value of LMT is different

UTC and ST are different, ST equals LMT once a day

On which position is the Airport of Ried-Kirchheim (LOLK) located?

N48°14', E014°11'.

N48°13', E014°06'.

N48°10', E014°02'.

N48°12', E013°20'.

What is located at N48°00', E013°16'?

A compulsory reporting point.

A village.

A city.

A peak.

An aircraft is located at a position east of the 180° meridian heading towards a position west of this meridian. Which statement is correct?

The aircraft passes the dateline and the date increases by one day

The aircraft passes the dateline and the date decreases by one day

The aircraft passes the dateline and the date decreases by two days

The aircraft passes the dateline and the date increases by two days

What is located at N47°57', E013°13'?

A compulsory reporting point.

A village.

A city.

A peak.

Vienna (LOWW) is located at 016° 34'E, Salzburg (LOWS) at 013° 00'E. The latitude of both positions can be considered as equal. What is the difference of sunrise and sunset between Wien and Salzburg?

In Vienna the sunrise and sunset are about 14 minutes earlier than in Salzburg

In Vienna the sunrise and sunset are about 4 minutes later than in Salzburg

In Vienna the sunrise is 14 minutes earlier and sunset is 14 minutes later than in Salzburg

In Vienna the sunrise is 4 minutes later and sunset is 4 minutes earlier than in Salzburg

The term 'sunrise' is defined as...

the point in time when an observer for the first time on the particular day is able to see the upper edge of the sun disk.

the point in time when an observer for the first time on the particular day is able to see the full sun disk.

the point in time when an observer for the first time on the particular day is able to see half of the sun disk.

the point in time when an observer for the first time on the particular day is able to see the centre of the sun disk.

The term 'sunset' is defined as...

the point in time when the upper edge of the sun disk disappears below the horizon.

the point in time when the lower edge of the sun disk disappears below the horizon.

the point in time when the centre of the sun disk disappears below the horizon.

the point in time when the first part of the sun disk disappears below the horizon.

What is located at N47°53', E013°38'?

A compulsory reporting point.

A village.

A city.

A peak.

The term 'civil twilight' is defined as...

the period of time before sunrise or after sunset where the midpoint of the sun disk is 6 degrees or less below the true horizon.

the period of time before sunrise or after sunset where the midpoint of the sun disk is 6 degrees or less below the apparent horizon.

the period of time before sunrise or after sunset where the midpoint of the sun disk is 12 degrees or less below the true horizon.

the period of time before sunrise or after sunset where the midpoint of the sun disk is 12 degrees or less below the apparent horizon.

Given: TC: 032°; WCA: +11°; DEV: 001° W; CH: 049° What are TH, VAR und MH?

TH: 043°. VAR: 005° W. MH: 048°.

TH: 043°. VAR: 005° E. MH: 048°.

TH: 048°. VAR: 005° E. MH: 050°.

TH: 048°. VAR: 005° W. MH: 043°.

Given: TC: 105°; WCA: +009°; MH: 119°; CH: 120° What are VAR and DEV?

VAR: 005° E. DEV: -001°.

VAR: 005° E. DEV: +001°.

VAR: 005° W. DEV: +001°.

VAR: 005° W. DEV: -001°.

Given: WCA: -012°; TH: 125°; MC: 139°; DEV: 002°E What are: TC, MH und CH?

TC: 137°. MH: 139°. CH: 125°.

TC: 137°. MH: 127°. CH: 125°.

TC: 113°. MH: 127°. CH: 129°.

TC: 113°. MH: 139°. CH: 129°.

Given: TC: 179°; VAR: 004° E; DEV: +002° What are MC and CC?

MC: 183°. CC: 185°.

MC: 185°. CC: 183°.

MC: 175°. CC: 173°.

MC: 175°. CC: 177°.

Given: VAR: 005° E; MC: 232°; DEV: +001° What are TC and CC?

TC: 227°. CC: 231°.

TC: 227°. CC: 233°.

TC: 237°. CC: 231°.

TC: 237°. CC: 233°.

Which formula is correct to calculate the magnetic course (MC)?

MC = CC - DEV

MC = TC - VAR

MC = TC + VAR

MC = TH - VAR

Which formula is correct to calculate the magnetic heading (MH)?

MH = TH + VAR

MH = CH + DEV

MH = TC - VAR

MH = MC - WCA

What is the value on the compass card of the direction south-southeast?

135°

157.5°

155.7°

180°

What is the value on the compass card of the direction south-southwest?

200°

220°

202.5°

222°

The angle between the true course and the true heading is called...

deviation.

WCA.

inclination.

variation.

The angle between the magnetic course and the true course is called...

deviation.

inclination.

WCA.

variation.

The term 'magnetic course' (MC) is defined as...

the angle between magnetic north and an arbitrary direction.

the angle between true north and an arbitrary direction.

the direction from an arbitrary point on Earth to the magnetic north pole.

the direction from an arbitrary point on Earth to the geographic North Pole.

The term 'True Course' (TC) is defined as...

the measurement for any direction on Earth in reference to true north (TN), defined as the angle between true north and that direction.

the measurement for any direction on Earth in reference to magnetic north (MN), defined as the angle between magnetic north and that direction.

the direction from an arbitrary point on Earth to the magnetic north pole.

the direction from an arbitrary point on Earth to the geographic North Pole.

Given: TC: 183°; WCA: +011°; MH: 198°; CH: 200° What are the TH and the DEV?

TH: 194°. DEV: +002°.

TH: 172°. DEV: -002°.

TH: 194°. DEV: -002°.

TH: 172°. DEV: +002°.

Given: TC: 183°; WCA: +011°; MH: 198°; CH: 200° What are the VAR and the DEV?

VAR: 004° E. DEV: -002°.

VAR: 004° E. DEV: +002°.

VAR: 004° W. DEV: -002°.

VAR: 004° W. DEV: +002°.

Given: TC: 168°; WCA: +012°; MH: 178°; CH 176° What are TH and VAR?

TH: 180°. VAR: 002° W.

TH: 180°. VAR: 002° E.

TH: 152°. VAR: 002° W.

TH: 152°. VAR: 002° E.

Given: TC: 168°; WCA: +012°; MH: 178°; CH 176° What are VAR and DEV?

VAR: 002° W. DEV: -002°.

VAR: 002° E. DEV: +002°.

VAR: 002° W. DEV: +002°.

VAR: 002° E. DEV: -002°.

What is the correct formula to calculate the magnetic course (MC)?

MC = CH + DEV

MC = MH - WCA

MC = TC + VAR

MC = CC - DEV

The true course of the direction north-northwest equals...

337.5°

315.5°

330.5°

345.5°

The true course of the direction north-northeast equals...

022.5°

45.5°

037.5°

067.5°

Where does the inclination reach its lowest value?

At the geographic equator

At the magnetic equator

At the magnetic poles

At the geographic poles

The angle between compass north and magnetic north is called...

deviation.

WCA.

variation.

inclination.

The term 'compass north' (CN) is defined as...

the reading of the northern direction on the magnetic compass on board the aircraft.

the angle between the aircraft heading and magnetic north.

The most northerly part of the magnetic compass in the aircraft, where the reading takes place.

The direction from an arbitrary point on Earth to the geographical North Pole.

The term 'isogonal' or 'isogonic line' is defined as a line on an aeronautical chart, connecting all points with the same value of...

variation.

deviation.

inclination.

heading.

The term 'agonic line' is defined as a line on Earth or an aeronautical chart, connecting all points with the...

variation of 0°.

deviation of 0°.

inclination of 0°.

heading of 0°.

Which are the official basic units for distances used in aeronautical navigation and their abbreviations?

Nautical miles (NM), kilometers (km)

Land miles (SM), sea miles (NM)

Yards (yd), meters (m)

feet (ft), inches (in)

3500 m equal...

3.5 NM.

6.48 NM.

35 NM.

1.89 NM.

1000 ft equal...

300 m.

30 m.

3000 m.

30 km.

5500 m equal...

7500 ft.

10000 ft.

18000 ft.

30000 ft.

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Navigation - AC

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