UM.69: Difference between revisions
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Link back to [[Control Functions]]. | Link back to [[Control Functions]]. | ||
UM.69 was the protecting signal for | ==Origin== | ||
UM.69 was a semi-automatic signal commissioned at [[Swindon MAS Stage 1]] on 14 November 1966<ref name="S.2498">Signalling Notice [[S.2498]]</ref>. At that stage it was supervised by [[Uffington]] SB. It was the protecting signal for Ashbury Level Crossing and Ground Frames on the Up Main. It was semi-automatic and fitted with an emergency replacement switch. | |||
Controlled passed to Swindon Panel under [[Swindon MAS Stage 5]] on 3rd March 1968. | |||
==Conversion to Controlled== | |||
It became [[SN.87]] on 2 August 1970. | It became [[SN.87]] on 2 August 1970. | ||
[[File:SN_Won_AKOverton-1.jpg]] | [[File:SN_Won_AKOverton-1.jpg]] | ||
==Conversion back to Automatic== | |||
And latterly was converted back to an automatic. | And latterly was converted back to an automatic. | ||
==References== | |||
<references/> | |||
Revision as of 17:10, 5 August 2014
Link back to Control Functions.
Origin
UM.69 was a semi-automatic signal commissioned at Swindon MAS Stage 1 on 14 November 1966[1]. At that stage it was supervised by Uffington SB. It was the protecting signal for Ashbury Level Crossing and Ground Frames on the Up Main. It was semi-automatic and fitted with an emergency replacement switch.
Controlled passed to Swindon Panel under Swindon MAS Stage 5 on 3rd March 1968.
Conversion to Controlled
It became SN.87 on 2 August 1970.
Conversion back to Automatic
And latterly was converted back to an automatic.