UM.69: Difference between revisions
Jump to navigation
Jump to search
(Origins added) |
(Number of aspects added) |
||
| Line 3: | Line 3: | ||
==Origin== | ==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. | UM.69 was a 4-aspect 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. | Controlled passed to Swindon Panel under [[Swindon MAS Stage 5]] on 3rd March 1968. | ||
Revision as of 17:35, 5 August 2014
Link back to Control Functions.
Origin
UM.69 was a 4-aspect 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.