747: Hold ALT before ILS-Approach

[Marcel11 0]

Good morningWhy the Queen sometimes doens't start to sinking on hold altitude (MCP) and APR wiht the 3 AP lights on? I think the hold light on MCP has to switch off automaticly once reached the ILS-descent.Sorry about my english knowledges.Thanks an best regardsMarcel

[crvm 0]

>Good morning>>Why the Queen sometimes doens't start to sinking on hold>altitude (MCP) and APR wiht the 3 AP lights on? I think the>hold light on MCP has to switch off automaticly once reached>the ILS-descent.>>Sorry about my english knowledges.>>Thanks an best regards>>Marcel It starts down at ALT HOLD after you capture G/S since you are in ALT HOLD prior to the G/S.EDIT- to expalin further, the lights on the MCP does not mean that you are engaged yet - only that you are armed for the approach. Your PFD is what you need to pay attention too.Best,Randy J. Smith