Contents
What frequency does ILS use?
ILS uses two directional radio signals, the localizer (108 to 112 MHz frequency), which provides horizontal guidance, and the glideslope (329.15 to 335 MHz frequency) for vertical.
Do airlines always use ILS?
ILS is sometimes used in clear weather, it’s at the discretion of the pilots and company policy (if it’s commercial). Most pilots I know would prefer to fly a visual approach because flying is what they do – what’s the point if the airplane does all the fun stuff?
How to choose the right ILS when the runway has more than one approach?
If still multiple approaches are possible, ATC should clear you for one in particular, e.g. via “Cessna 12345, cleared ILS Yankee approach runway 36”. ATC will assign the correct approach. There are many different reasons some airports have multiple different ILS procedures for the same runway:
Why do some airports have more than one ILS?
ATC will assign the correct approach. There are many different reasons some airports have multiple different ILS procedures for the same runway: Some procedures are limited to certain times of day, aircraft type or operator approval – in which case it is probably pretty obvious which one you should fly.
How is lateral course guidance provided in a landing system?
Guidance is provided through a ground based system that consists of several components [ Figure 1] The localizer (LOC) provides lateral course guidance during an approach to landing Some localizers may transmit the course line along the extended centerline of a runway, in the opposite direction to the front course, which is called the back course
What kind of frequency do you need for an instrument landing system?
As far as the pilot is concerned, you only need to input the Very-High Frequency (VHF) frequency, as the Ultra-High Frequency (UHF) is automatically tied to that The list of paired frequencies is in the Aeronautical Information Manual under paragraph 1-1-9, Instrument Landing System