Navigation Flashcards

1
Q

A VOR receiver with normal five-dot course sensitivity shows a three-dot deflection at 30 NM from the station. The aircraft would be displaced approximately how far from the course centerline?

A

3 NM

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2
Q

When checking the sensitivity of a VOR receiver, the number of degrees in course change as the OBS is rotated to move the CDI from center to the last dot on either side should be between

A

10 and 12 degree

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3
Q

What indication should a pilot receive when a VOR station is undergoing maintenance and may be considered unreliable?

A

no coded identification, but possible navigation indications

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4
Q

Where does the DME indicator have the greatest error between ground distance to the VORTAC and displayed distance?

A

high altitudes close to the VORTAC

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5
Q

Which distance is displayed by the DME indicator?

A

slant range distance in NM

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6
Q

When using VOR for navigation, which of the following should be considered as station passage?

A

the first positive, complete reversal of the TO FROM indicator

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7
Q

Full scale deflection of a CDI occurs when the course deviation bar or needle

A

deflects from the center of the scale to either far side of the scale

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8
Q

What is the meaning of a single coded identification received only once approximately every 30 seconds from a VORTAC?

A

The DME component is operative and the VOR component is inoperative

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9
Q

Which DME indication should you receive when you are directly over a VORTAC site at approximately 6000 feet AGL?

A

1

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10
Q

An aircraft which is located 30 miles from a VOR station and shows a 1/2 scale deflection on the CDI would be how far from the selected course centerline?

A

2 1/2 miles

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11
Q

When a VOR/DME is collected under frequency pairings and the VOR portion is inoperative, the DME identifier will repeat at an interval of

A

30 second intervals at 1350 Hz

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12
Q

What angular deviation from a VOR course centerline is represented by a full scale deflection of the CDI?

A

10 degree

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13
Q

When is one time you may use a suitable RNAV system to substitute for a ground-based NAVAID?

A

when the ground based NAVAID is out or service

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14
Q

Which of the following should be considered as station passage when using VOR?

A

the first complete reversal of the TO-FROM indicator

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15
Q

A particular VOR station is undergoing routine maintenance. This is evidenced by

A

removal of the identification feature

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16
Q

As a rule of thumb, to minimize DME slant range error, how far from the facility should you be to consider the reading as accurate?

A

one or more miles for each 1000 feet of altitude above the facility

17
Q

What angular deviation from a VOR course centerline is represented by a 1/2 scale deflection of the CDI?

A

5 degree

18
Q

After passing a VORTAC, the CDI shows 1/2 scale deflection to the right. What is indicated if the deflection remains constant for a period of time?

A

the airplane is flying away from the radial