Navigation Flashcards

1
Q

NV - What is the convergency calculation on a lamber chart?

A

Convergency = Change of longitude x sine parallels of origin

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2
Q

NV - On a lambert chart outside the standard parallels the scale….

A

The scale expands outside the standard parallels

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3
Q

NV - On a Lambert chart with in the standard parallels the scale…

A

The scales contract

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4
Q

NV - On a lambert chart great circles away from the parallel of origin are curved towards?

A

Great circles are curved towards the parallel or origin

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5
Q

NV - On a lambert chart Rhumb Lines are curved towards?

A

Rhumb lines one Lambert chart are curved towards the nearest pole.

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6
Q

NV - On a lambert conformal chart, great circles are straight lines when?

A

Great Circles are straight lines around the parallel of origin or if a line crosses the parallel at right angles.

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7
Q

NV - Normally where is the projected chart most accurate?

A

The chart is most accurate where it touches the projection or along the tangential to the reduced earth.

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8
Q

NV - QUJ refers to what Q code?

A

QUJ - The true bearing to.

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9
Q

NV - QDR means in the old Q code system?

A

QDR is “The magnetic bearing from”

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10
Q

NV - QDE mean in the old Q system?

A

QDM means “Magnetic Bearing to”

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11
Q

NV - QTE is a Q code for?

A

QTE is referring to “True bearing from”

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12
Q

NV - The Track Error Angle is the Angle Between?

A

Desired track and Actual Track

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13
Q

NV - If Track > Heading where will the drift be?

A

Starboard or Right hand drift

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14
Q

NV - If Track < Heading where will the drift be?

A

The drift will be to the Port or left

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15
Q

NV - What is the acceptable ratio of ellipicity?

A

1/298.25

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16
Q

NV - Departure equation is?

A

Departure (nm) = change of longitude (min) x cos(lat)