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Old 08-23-2023, 08:49 AM
Amadeus's Avatar
Amadeus Amadeus is offline
 
Join Date: Nov 2020
Location: Basalt, CO/Lexington, KY
Posts: 316
Default "NO ALT" Message

My panel is the -12iS dual G3X package with a GPS175 navigator added. Recently, the last 5 or 6 flights, a "NO ALT" message appears occasionally over the transponder code. "NO ALT" is never on for more than 10 seconds at a time and "XPDR" is displayed the rest of the time.

I did pull a PAPR and in the Exceptions the NIC box was red.

Missing Elements has BAlt red with 3.51% fail, Max dT 0:00:11 and MCF 11

Integrity & Accuracy has the NIC box red with 16.92% fail, Max dT 0:00:23, MCF 26, AVG 7.4, Min 0 and Max 9

Are these acceptable error levels?
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