Quick question to all you 737NG drivers out there
A couple months ago while in MGGT, I noticed that on my PFD while on the ground the radio altimeter fluctuated between readings of "4" and "6" sometimes all the way up to "12". The Captain checked it out too, but it was just showing on the right side PFD. For the rest of the ground time it did it.....though we noticed it mainly occured when ground personnel were close. We flew back home no problem, afterwards though we noticed the interference again. Ever since that flight, i've made it a point to verify ALL of my instruments and on almost all of my flights on different A/C i see the same problem. I've flown with Captains that got a bit nervous and asked me to write it up, and with others that have said they've also noticed and didn't have an answer for it. I've talked to the mechanics at the company and the majority don't care to give me a straight answer.
If anyone else has encountered this or any other oddities on the NG, let's share stories.
-Poorpilot
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