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What is the difference between ILS and VOR DME? The ILS has a glide slope providing vertical guidance A VOR approach does not have any vertical guidance (although with a VOR DME one can at least determine the exact point at which to start a CDFA (continuous descent final approach) and regularly crosscheck the altitude with the DME)
How do I know which airports have ILS and for which runways? Here is an example chart for KLAX ILS 25R approach In the top right, it says the runway, the airport, and the approach type (ILS or LOC) In the top left, it says the ILS frequency, and just to the right, the runway heading On the very bottom, there's a diagram of the glidepath It lists the FAF, which is a "X" symbol with wide edges
What is the difference between the ILS Critical Area and the ILS . . . The ILS critical area is an area of defined dimensions about the localizer and glide path antennas where vehicles, including aircraft, are excluded during all ILS operations The critical area is protected because the presence of vehicles and or aircraft inside its boundaries will cause unacceptable disturbance to the ILS signal-in-space vs
How precise is an ILS (Instrument landing system)? The ILS is precise enough to allow landings in essentially zero visibility, including those performed by autoland The ground based bits The vertical range is 1 4° (0 7° above glideslope, 0 7° below) and the horizontal varies, but is a maximum of 6° wide What this means in terms of how many feet or meters off the centerline an aircraft is varies depending on where the aircraft is on the
Where does the final approach segment begin on an ILS approach? It's pretty easy to answer as best I can determine: The Final Approach Segment begins at the Final Approach Fix On FAA NACO charts this is shown on the profile view with the Maltese cross: The "lightning bolt arrow" (or as the FAA calls it, the "zigzag line") designates the precision approach glideslope intercept altitude This is usually coincident with the final approach fix (and the
What is a localiser back-course approach and how does it work? What does back-course approach mean ? How much signal strength should the back lobe of ILS should have in order to trace it and commence landing How common is this type of landing for a pilot Wha
ils - What is the behavior of false glideslope signals? - Aviation . . . The glideslope system is an analog system, and as such, it's subject to aliasing, resonances, heterodyning, and eight other technical terms I pulled out of my ass Maybe a diagram will help: false glide slopes In plain English, above the "real" glideslope, there are false glide slopes caused by your equipment locking onto the wrong phase of the signals If you lock onto the wrong lobe, it will
What are the differences between each ILS category? 5 I want to know the characteristics of the different categories of Instrument Landing System (ILS): CAT I, CAT II, CAT IIIa, CAT IIIb and CAT IIIc What are the differences between them? (This question only covers CAT III)