Cartes mémoires 061 GNAV

Cartes-fiches	14
Langue	Deutsch
Catégorie	Technique
Niveau	Université
Crée / Actualisé	02.06.2025 / 02.06.2025
Lien de web	https://card2brain.ch/box/20250602_061_gnav
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What is the rhumb line (RL) direction from N45° W14°12' to N45° E12°48'?

270° (M)

270° (T)

090° (T)

090° (M)

Commandes clavier:

= tourner,

= avant/arrière,

= faire défiler

270° (M)

270° (T)

090° (T)

090° (M)

A great circle intersects the equator in W030° with a great circle direction of 035°(T). An aircraft tracking the great circle will reach the maximum Northern/Southern latitude in position:

N55° E060°

N35° W120°

S35° W120°

S55° E060°

Commandes clavier:

= tourner,

= avant/arrière,

= faire défiler

N55° E060°

N35° W120°

S35° W120°

S55° E060°

A chart covers the area from N50° E005° to N50° W030° to N62° W030° to N62° E005° to N50° E005° using a lamberts conical projection. At N50° chart convergency will be ........ earth convergency and at N62° chart convergency will be ........ earth convergency.

less than - greater than

greater than - less than

equal to - equal to

equal to - less than

Commandes clavier:

= tourner,

= avant/arrière,

= faire défiler

less than - greater than

greater than - less than

equal to - equal to

equal to - less than

On a conformal chart, scale is:

Variable; it varies as a function of latitude and longitude

Constant

Constant along a parallel of latitude

Constant along a meridian

Commandes clavier:

= tourner,

= avant/arrière,

= faire défiler

Variable; it varies as a function of latitude and longitude

Constant

Constant along a parallel of latitude

Constant along a meridian

The Lambert conformal charts are used between which latitudes?

All latitudes

Polar areas down to about N/S70°

All latitudes up to about N/S70°

From the Equator to N/S50°

Commandes clavier:

= tourner,

= avant/arrière,

= faire défiler

All latitudes

Polar areas down to about N/S70°

All latitudes up to about N/S70°

From the Equator to N/S50°

Earth convergence varies with difference of:

latitude

longitude

longitude and mean latitude

longitude and latitude

Commandes clavier:

= tourner,

= avant/arrière,

= faire défiler

latitude

longitude

longitude and mean latitude

longitude and latitude

State where the scale indicated on a Lambert chart is precisely correct:

on the latitude "parallel of origin"

on the standard parallels

on the mean latitude of the route involved

along a meridian

Commandes clavier:

= tourner,

= avant/arrière,

= faire défiler

on the latitude "parallel of origin"

on the standard parallels

on the mean latitude of the route involved

along a meridian

On a Lambert conformal conic chart, earth convergency is most accurately represented at the:

Standard parallels

Parallel of origin

North and south limits of the chart

Equator

Commandes clavier:

= tourner,

= avant/arrière,

= faire défiler

Standard parallels

Parallel of origin

North and south limits of the chart

Equator

Two positions plotted on a Polar stereographic chart, A (N80° E000°) and B (N70° W102°), are joined by a straight line whose highest latitude is reached at W035°. At point B, the true course is:

247°

023°

203°

305°

Commandes clavier:

= tourner,

= avant/arrière,

= faire défiler

247°

023°

203°

305°

On a Lambert chart with standard parallels at 38°N and 48°N, chart convergency at 48°N is:

the same as earth convergency

zero

greater than earth convergency

less than earth convergency

Commandes clavier:

= tourner,

= avant/arrière,

= faire défiler

the same as earth convergency

zero

greater than earth convergency

less than earth convergency

When measuring a distance on a direct Mercator chart you should use the:

scale given at the bottom of the chart

latitude scale along a meridian which straddles the middle of the line you are measuring

graduated scale line at the bottom of the chart

latitude scale up along a meridian in the vicinity of the equator

scale given at the bottom of the chart

latitude scale along a meridian which straddles the middle of the line you are measuring

graduated scale line at the bottom of the chart

latitude scale up along a meridian in the vicinity of the equator

If the aircraft had flown the great circle track from A (160°E) to B (170°W), the track direction would have:

decreased by 26°

increased by 13°

decreased by 13°

increased by 26°

decreased by 26°

increased by 13°

decreased by 13°

increased by 26°

On a Lambert conformal conic chart, with two standard parallels, the quoted scale is correct:

along the two standard parallels

in the area between the standard parallels

along the parallel of origin

along the prime meridian

along the two standard parallels

in the area between the standard parallels

along the parallel of origin

along the prime meridian

Distances on a Polar Stereographic chart are measured by using:

the latitude scale on a meridian in the vicinity of the point of tangency

the latitude scale on a meridian in the vicinity of the line measured

the latitude scale on a meridian in the vicinity of the equator

the longitude scale on a parallel in the vicinity of the line measured

the latitude scale on a meridian in the vicinity of the point of tangency

the latitude scale on a meridian in the vicinity of the line measured

the latitude scale on a meridian in the vicinity of the equator

the longitude scale on a parallel in the vicinity of the line measured

061 GNAV

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