4 red but on glide slope
Hi all,
I’m currently doing some line training and I was flying an approach the other day, where we got 4 red on shortish final, but strangely enough we were bang on the glide slope on the ILS/pfd. I reviewed the data when I got home from the Ofdm and it shows that we were on the glide slope the whole way down, the diamond was pretty much locked in. What would cause this? The aircraft was a B738 and the Papis were 61ft and specifically set up for a 738. Would I have been better off trusting the Papis or the glide slope? I don’t understand how I could both get 4 reds and be on the GS.