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ILS - East Midlands Airport, Leicestershire
Posted by: Groundspeak Premium Member SMacB
N 52° 49.843 W 001° 21.424
30U E 610685 N 5854704
Quick Description: ILS, or Instrument Landing System, at the west end of the runway of East Midlands Airport (EMA).
Location: East Midlands, United Kingdom
Date Posted: 2/5/2018 12:44:46 AM
Waymark Code: WMXNZE
Views: 8

Long Description:

ILS, or Instrument Landing System, at the west end of the runway of East Midlands Airport (EMA). Viewable from the roadside.

East Midlands EGNX 09 109.35 091
27 109.35 271

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"An instrument landing system (ILS) enables aircraft to land if the pilots are unable to establish visual contact with the runway. It does this by way of transmitted radio signals.

It is defined by the International Telecommunication Union as a service provided by a station as follows:

A radionavigation system which provides aircraft with horizontal and vertical guidance just before and during landing and, at certain fixed points, indicates the distance to the reference point of landing.

— Article 1.104, ITU Radio Regulations (ITU RR),

Principle of operation

An instrument landing system operates as a ground-based instrument approach system that provides precision lateral and vertical guidance to an aircraft approaching and landing on a runway, using a combination of radio signals and, in many cases, high-intensity lighting arrays to enable a safe landing during instrument meteorological conditions (IMC), such as low ceilings or reduced visibility due to fog, rain, or blowing snow.

An instrument approach procedure chart (or 'approach plate') is published for each ILS approach to provide the information needed to fly an ILS approach during instrument flight rules (IFR) operations. A chart includes the radio frequencies used by the ILS components or navaids and the prescribed minimum visibility requirements.

Radio-navigation aids must provide a certain accuracy (set by international standards of CAST/ICAO); to ensure this is the case, flight inspection organizations periodically check critical parameters with properly equipped aircraft to calibrate and certify ILS precision.

An aircraft approaching a runway is guided by the ILS receivers in the aircraft by performing modulation depth comparisons. Many aircraft can route signals into the autopilot to fly the approach automatically. An ILS consists of two independent sub-systems. The localizer provides lateral guidance; the glide slope provides vertical guidance."

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Report on the accident to Boeing 737-300, registration OO-TND at Nottingham East Midlands Airport on 15 June 2006 - (Visit Link)



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NavAid Type: Radio Frequency

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