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James Gibson

Farnborough Radar (LARS) Information

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James Gibson

Please see information on LARS in the UK (particularly Farnborough LARS) in advance of the FIS Afternoon event but also because recently Farnborough LARS is opened much more frequently on the network. I am not a real world controller and so I do not claim to be 100%, but with my personal experiences as a pilot, I have tried to make this information as accurate as possible.

What is a LARS (Lower Airspace Radar Service)?

A Lower Airspace Radar Service (LARS) is a free service available to all aircraft for the provision of the radar element of UK Flight Information Services (UK FIS). This is usually available within approximately 30 nm of each participating Air Traffic Service (ATS) Unit to all aircraft flying outside controlled airspace up to FL100, within the limits of radar/radio cover. (ref. CAA website)

Simply put:

"Farnborough Radar" (LARS) provides non-radar (i.e. a basic service(VFR or IFR)) and radar services (e.g. traffic (VFR or IFR)/deconfliction (IFR only) services) outside of controlled airspace within the diagram Ben has posted above, usually up to about FL100. 

Farnborough Radar is responsible for the EGLF (the aerodrome itself) and can provide a MATZ crossing clearance for RAF Odiham.

General Information

The ATS unit's callsign is "Farnborough Radar" and covers all three LARS sectors (W, N and E) in the south-east on VATSIM using the frequency 125.250 MHz. See diagram below:

 

1. PILOTS

Passing VFR details:

Pilots of aircraft inbound or outbound to an aerodrome, or which to obtain a flight information service, when instructed to pass their message details, should respond in the manner described as follows below.

The first call should be: "Farnborough Radar, [CALLSIGN], request [BASIC/TRAFFIC] service."

Then wait for a response: for example, "[CALLSIGN], Farnborough Radar, pass your message. "

Generally, this format can be applied to visual flight rules (VFR) and instrument flight rules (IFR) aircraft.

  1. Aircraft Callsign and type
  2. Departure point and destination
  3. Present position
  4. Level/Altitude
  5. Additional details/Intention (e.g. flight rules, next route point)
  6. Request (What service are you requesting?)

General Information

The ATS unit's callsign is "Farnborough Radar" and covers all three LARS sectors (W, N and E) in the south-east on VATSIM using the frequency 125.250 MHz. See diagram below:

872545360_Screenshot2019-07-12at09_12_30.png.26c6e9e1b8c43b72c38dc49199947032.png

 

What is a basic service?

756570073_Screenshot2019-07-12at08_51_02.thumb.png.bc3ddfcab8bc53821a71a46a2fdc7dc0.png

 

What is a traffic service?

81803411_Screenshot2019-07-12at08_52_51.thumb.png.75ff698fcc37b60b6d9021ac43e713cb.png

What is a deconfliction service (IFR only)?

1329863142_Screenshot2019-07-12at08_54_46.thumb.png.a8aa2cef12b282eca9af210be6aa1c6e.png

 

2. CONTROLLERS

This is particularly aimed at all A/G, AFIS and tower positions that are controlling adjacent/beneath Farnborough Radar. 

  • VFR aircraft do not need to be coordinated if they are to remain outside of controlled airspace and clear of any airspace that is not Farnborough's interest
  • IFR aircraft should be coordinated
  • The majority of uncoordinated aircraft should be handed off to the radar position as "Free-call" where details of the flight must be passed to the controller over R/T again by the pilot.

 

References:

AIP (See textual information for information on LARS)

CAP 413

CAP 774

LARS Frequencies

 

Recommended Read: Farnborough LARS Guide

Any questions please do ask below (happy to discuss!) but I thought this may help and encourage pilots to start trying new things (which actually tend to be easier than your typical Airbus/Boeing flight)!

I hope this helps.

James

Edited by James Gibson

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Matthew Wilson

Great work here James on a subject most people probably know very little or nothing about.

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Sebastian Wheeler

*Excited dancing*

 

EDIT: Bin my last... AGHHHHH It's on RIAT Saturday! 

Edited by Sebastian Wheeler
RIAT...

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