Nav Flashcards

1
Q

VOR

A

VHF omni-directional radio range
line of sight
bearing selector, course dev. ind., TO/FROM ind.

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2
Q

how to use VOR (mneumonic)

A

SITS
select freq.
identify (morse)
test
set heading and OBS

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3
Q

NDB

A

needle always points to station
mag. heading + relative bearing = bearing to station

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4
Q

variation

A

angular drift between true and magnetic north

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5
Q

deviation

A

magnetic vs. compass north

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6
Q

great circle

A

shortest distance between 2 points

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7
Q

rhumb line

A

line crossing all meridian at same angle

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8
Q

double track error

A

works before halfway
find how many degrees off, double that, adjust heading
fly new heading for equal amount of time off
adjust heading back by half when on track

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9
Q

opening + closing angles method

A

best after halfway
find degrees off track and to destination and add to find correction to destination

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10
Q

1 in 60 rule

A

1 degree off after 60 min. = 1 mile off

dist. off track / dist. travelled x 60 = degrees off departure

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