ILS Flashcards

1
Q

What does the Localizer provide?

A

Lateral course guidance

Localizer is part of the Instrument Landing System (ILS) that helps pilots align with the runway during approach.

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2
Q

What does the Glide Slope provide?

A

Vertical course guidance

Glide Slope is used in conjunction with the Localizer to ensure proper descent angle during landing.

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3
Q

What is a notable error associated with the Glide Slope?

A

False glide slope above normal glide slope

This can lead to incorrect altitude readings and potentially hazardous situations during approach.

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4
Q

What is the function of the Approach Light System (ALS)?

A

Provides basic visible means to transition between instrument-guided flight into a visual approach

ALS enhances visual cues for pilots as they approach the runway.

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5
Q

What is the range of the ALS for precision instrument runways?

A

2,400-3,000 feet

This range allows pilots to visually transition to landing from instrument flight.

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6
Q

What is the range of the ALS for non-precision instrument runways?

A

1,400-1,500 feet

The shorter range reflects the less precise nature of non-precision approaches.

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7
Q

What visual aid may be included in the ALS configuration?

A

Sequenced Flashing Lights

These lights appear to the pilot as a ball of light traveling towards the runway at twice a second, commonly referred to as ‘The Rabbit’.

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8
Q

How can the visible parts of the ALS configuration assist pilots?

A

Help estimate flight visibility

This estimation is crucial for determining if visual conditions are suitable for landing.

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