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.
- This certification allows the AV-20-S to replace traditional sweep-second-hand clocks in Part 23, Class I and II IFR aircraft, meeting Part 91.205 (d)(6) requirements.
- Beyond time-keeping, the AV-20-S provides a suite of in-flight information, including a standby attitude indicator, angle of attack, bus voltage, and G meter, and fits a standard 2 1/4-inch instrument opening with a 30-minute internal battery backup.
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