Which description best defines Locator middle marker (LMM)?

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Multiple Choice

Which description best defines Locator middle marker (LMM)?

Explanation:
The Locator middle marker is a compass locator, a type of nondirectional radio beacon, placed at the middle marker location on an ILS approach. This LMM provides an NDB-style signal that identifies the middle marker, helping you verify you’re at the MM along the final approach course. It’s a separate system from an LDA (localizer-type directional aid), which is a different kind of localizer, from LAAS (GPS augmentation), and from a loadmeter (which measures aircraft weight). So the description “Nondirectional radio beacon compass locator collocated with a middle marker” matches the Locator middle marker.

The Locator middle marker is a compass locator, a type of nondirectional radio beacon, placed at the middle marker location on an ILS approach. This LMM provides an NDB-style signal that identifies the middle marker, helping you verify you’re at the MM along the final approach course. It’s a separate system from an LDA (localizer-type directional aid), which is a different kind of localizer, from LAAS (GPS augmentation), and from a loadmeter (which measures aircraft weight). So the description “Nondirectional radio beacon compass locator collocated with a middle marker” matches the Locator middle marker.

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