Entegra PFD EX5000 Altitude Miscompare
Dual PFD's with an Altitude Miscompare message (see photo), requires the aircraft Pitot system to be checked out by an Avionics Shop with a calibrated Pitot system. In a single PFD plane; ATC informs you the plane is at XXXX feet and the PFD indicates 75+ feet difference, or the PFD and your internal gauges are off …
AXP340 Altitude Reporting Stuck At Field Elevation
This problem is likely the result of an altitude loop. Step 1 - Determine what kind of encoder is feeding altitude information to the AXP340. It can be either RS-232 or Gray Code. If it is Gray Code, we do not expect an altitude loop problem to be possible, and there is likely something else wrong with the airc…
