2009
2010
2013
JMRI
Suzie
Tall
James
Koretsky
Ken
Cameron
1
2012-08-31
JK
Initial version
1.1
2012-11-06
KSC
Added basic aspect mappings
1.2
2013-12-29
ST
Split into different mast types and completed mapping
BN-1989
Single head searchlight permissive signal
As described in the
October 1989 Burlington Northern Railroad Southern Region, Nebraska Division Timetable #2. In effect at 0001 Continental Mountain Time, Sunday October 29, 1989.
Appearances for a single head searchlight signal used in Automatic Block Systems
Clear
green
Rule 230
../../../resources/icons/smallschematics/aspects/BN-1989/SL-1-high/rule-230.gif
Approach
yellow
Rule 236
../../../resources/icons/smallschematics/aspects/BN-1989/SL-1-high/rule-236.gif
Approach Medium
flashyellow
Rule 234
../../../resources/icons/smallschematics/aspects/BN-1989/SL-1-high/rule-234.gif
Restricted Proceed
red
Rule 241
../../../resources/icons/smallschematics/aspects/BN-1989/SL-1-high/rule-241-c.gif
Unlit
dark
-
../../../resources/icons/smallschematics/aspects/BN-1989/SL-1-high/unlit.gif
Restricted Proceed
Restricted Proceed
Restricted Proceed
Unlit
Clear
Clear
Advance Approach
Clear
Approach Diverging
Clear
Approach Medium
Clear
Approach Restricting
Clear
Approach
Approach Medium
Diverging Clear
Clear
Diverging Approach Medium
Clear
Diverging Approach
Approach Medium
Restricted Proceed
Approach
Stop
Approach
Unlit
Approach