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APP chart question (and a suggestion...)

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EHM-0654 Murray:

--- Quote ---Originally posted by EHM-1555
...but a MAP is not shown on the IAP  (IAP= Instrument approach procedure)
--- End quote ---


Thanks Kendy, and not *strictly* true. IAP covers all the instrument approach plates; both precision and non-precision. While precision plates indeed don't have the MAP indicated (because it's up to the PF to decide if the MCP has it right), non-precision plates will always have the MAP marked. :)

I argue semantics only; again, thanks...

EHM-0005 Maarten:
Initial Approach segment - This segment starts at the Initial Approach fix (IAF) and ends at the Intermediate Fix (IF). In this segment, the enroute part of the flight has ended and the intermediate approach is being prepared. The minium obstacle clearance (MOC) is at least 300 meters.

Intermediate Approach segment - This segment starts at the Intermediate Fix (IF) and ends at the Final Approach Fix (FAF). The minimum obstacle clearance (MOC) is at the beginning at least 300 meters and decreases to a minium value of 150 meters at the end of this segment.

Final Approach segment - This segment begins at the Final Approach Fix (FAF) and ends at the Missed Approach Point (MAPt). At this point, the aircraft is aligned with the runway and additional turns should not be required. In case of an ILS/MLS approach, the FAF is called FAP (Final Approach Point).


My 2 cents ;)

EHM-0654 Murray:

--- Quote ---Originally posted by Maarten Pols
My 2 cents ;)
--- End quote ---

Trust you to stick your oar in! Just cause you're learning all this for real! ;D

OK, if I may impose upon your expertise in this matter then Maarten, isn't Robert correct in saying that by the time you reach the FAF (which is the start of the GS after all), you should already be in LOC/APP mode with the second CMD enabled (to use Boeing MCP autoland phraseology)?

EHM-0005 Maarten:
As my expertise is pure theoretically at this moment, I can't talk from experience on this matter.

My instinct says that Robert is right, so the LOC/APP should be engaged. The main reason why there's a FAF is, as previously mentioned, no turns should be necesarry.

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