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In service:
from 1961
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1961

This unit, initially registered Bt4ü 212, is delivered between 1961/62* together with the following units: BLS unit Bt4ü 211, GBS units Bt4ü 213 - 214 and BN units Bt4ü 215 - 216.

*according to other sources 1963  

Sources: https://www.drehscheibe-online.de/foren/read.php?017,8429173, https://forum.spur-n-schweiz.ch/index.php?thread/9103-bls-ew-i-bt/

1969

Unit Bt4ü 212 receives new registration Bt 20-33 970.  

Sources: https://www.drehscheibe-online.de/foren/read.php?017,8429173

1997

After the merger with the BLS in 1997, this unit is incorporated in the new company.  

Sources: https://www.drehscheibe-online.de/foren/read.php?017,8429173

2001

Between 2001 and 2003, unit Bt 970 is converted to BDt 82-33.  

Sources: https://de.wikipedia.org/wiki/BLS-Farben

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Latest update on the 23rd of October 2022 at 13:20

Contributor(s): Tudor C.

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