At what altitude are the radio altimeters displayed on the PFD?

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Prepare for the GoJet Airlines CRJ-550 Test. Use flashcards, multiple choice questions, and detailed explanations to ace your exam!

Multiple Choice

At what altitude are the radio altimeters displayed on the PFD?

Explanation:
Radio altitude is height above the terrain and is shown on the PFD to aid precision work during approach and landing. In the CRJ-550’s PFD, this readout is provided only within a lower range—up to 2,500 ft AGL. Beyond that height, the exact height above ground isn’t as critical for normal flight references, so the RA display isn’t used. Therefore, the altitude at which radio altimeters are displayed on the PFD is 2,500 ft AGL.

Radio altitude is height above the terrain and is shown on the PFD to aid precision work during approach and landing. In the CRJ-550’s PFD, this readout is provided only within a lower range—up to 2,500 ft AGL. Beyond that height, the exact height above ground isn’t as critical for normal flight references, so the RA display isn’t used. Therefore, the altitude at which radio altimeters are displayed on the PFD is 2,500 ft AGL.

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