The FAA this week approved the uAvionix AV-20-S multi-function display as an advanced time-keeping device equivalent and hence a replacement for the sweep-second-hand clocks of old. The unit is considered a replacement for clocks in Part 23, Class I and II IFR aircraft per advisory circular AC 20-94A. The new AV-20-S meets the requirements of Part 91.205 (d)(6). The Non-Required Safety Enhancing Equipment (NORSEE) certification has also been updated to reflect the approval.
uAvionix AV-20-S Gains Approval as Clock Replacement
Key Takeaways:
- The FAA has approved the uAvionix AV-20-S multi-function display as an advanced time-keeping device equivalent, replacing traditional sweep-second-hand clocks in Part 23, Class I and II IFR aircraft.
- Beyond just a clock, the AV-20-S fits a standard 2 1/4-inch opening and provides a suite of in-flight information, including a standby attitude indicator, angle of attack, bus voltage, and more.
- The unit is protected with a 30-minute internal battery backup, ensuring continuous functionality even in the event of power loss.
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