Safety Analysis

Antennas

Editorial Staff

Monday, August 24, 2020 at 01:41 PM ET

Verified

Key Takeaways:

A single faulty GPS antenna can critically compromise aircraft navigation by blocking all other GPS signals, as well as affecting other vital systems like cabin pressurization and emergency beacons.
Antenna failures stem from various causes, including poor OEM installation (e.g., inadequate sealing, un-crimped connectors) leading to environmental damage and corrosion, and physical separation.
These incidents highlight the need for improved installation standards, robust antenna designs, and clear abnormal procedure guidance for pilots to manage such critical system failures.

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p>Beechcraft C90 King Air

Antenna Blockage

Editorial Staff