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Beam Compass Indicator Smiths Flight System, 65 SFS RAF Avro Vulcan, HP Victor

Smiths

Beam Compass Indicator Smiths Flight System, 65 SFS RAF Avro Vulcan, HP Victor

$100.00

This is a Beam Compass Indicator, one of 6 indicators in the Smiths Flight System, made in England by Smiths Aircraft Instruments (part code 65 SFS). Used in 1960's-era aircaft such as the RAF V-bombers Avro Vulcan (see photo of Vulcan instrument panel) and Handley Page Victor, as well as civilian aircraft DeHavilland Comet and Vickers Viscount. 

The Beam Compass functions/features are as follows, and correspond to the number call-outs in the illustration.
  1. Sense Switch. Points up when flying towards a station and down when flying from it.
  2. Compass Scale. At its top datum, the Compass Scale shows the VOR or ILS course selected on the Omni Bearing Indicator.
  3. Heading Pointer. Shows aircraft heading relative to the Compass Scale.
  4. Heading Index. Used to set desired heading
  5. Beam Displacement Bar. Shows aircraft deviation from the selected course.
  6. Beam Displacement Scale.
  7. Setting Knob. Used to alter the Heading Index.
  8. Compass Warning Lamp

It is in exceptional condition given its age, and has a date stamp of 1969.  The dial markings are clear and the glass and case are intact.  Measures 3.25in diameter and ~8in deep. 


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