VHF Omni Directional Radio Range ( VOR ) Flashcards

1
Q

VOR Acronyme

A

VHF Omni Directional Radio Range

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2
Q

Quelle information un VOR fournie-t-il ?

A

L’angle alpha entre le nord magnétique et la route radiale sur laquelle se trouve l’avion

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3
Q

OBS Acronyme

A

Omni Bearing Selector

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4
Q

CDI Acronyme

A

Course Deviation Indicator

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5
Q

Fréquence d’émission VOR

A

Entre 108.0 MHz et 117.95 MHZ

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6
Q

Précision angulaire VOR

A

+/- 5°

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7
Q

Portée VOR

A

Théorique : 200 Nm
Pratique : 130 Nm limitée par la précision angulaire

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8
Q

Cône de silence VOR

A

30° de part et d’autre

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9
Q

Nom des VOR de finale + type

A

T-VOR ( Terminal-VOR )
VOR-D

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10
Q

Principe technique VOR

A

Mesure de phase entre 2 signaux de 30 Hz ( ref & var )

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11
Q

Mode de transmission VOR-C

A

30 Hz ref en FM
30 Hz var en AM

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12
Q

Mode de transmission VOR-D

A

30 Hz ref en AM
30 Hz var en FM

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13
Q

VOR-C Acronyme

A

Conventionel

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14
Q

VOR-D Acronyme

A

Doppler

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15
Q

Avantages VOR-D à VOR-C

A

VOR-D plus robuste aux perturbations et réflexions parasites des signaux

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