2009 2010 JMRI Dick Bronson Bob Jacobsen jake@physics.berkeley.edu 1 2010-01-01 DB Initial version 1.1 2011-06-23 DB Added mapping information 1.2 2014-06-23 ST Added rest of appearances 1.3 2019-12-30 BM Remove ourAspect values which are not supported by this mast type 1.4 2023-02-21 BM Added some missing mappings AAR 1946 Double position light high signal As described in the August 1946 version of the AAR publication "American Railway Signaling Principles and Practices", chapter II. Appearances for a two high position light signal Clear green dark Page 55 ../../../resources/icons/smallschematics/aspects/AAR-1946/PL-2-high/rule-281.gif Approach Medium yellow green Page 55 ../../../resources/icons/smallschematics/aspects/AAR-1946/PL-2-high/rule-282.gif Advance Approach yellow yellow Page 55 ../../../resources/icons/smallschematics/aspects/AAR-1946/PL-2-high/rule-282A.gif Medium Clear red green Page 55 ../../../resources/icons/smallschematics/aspects/AAR-1946/PL-2-high/rule-283.gif Approach yellow dark Page 55 ../../../resources/icons/smallschematics/aspects/AAR-1946/PL-2-high/rule-285.gif Slow Approach red yellow Page 55 ../../../resources/icons/smallschematics/aspects/AAR-1946/PL-2-high/rule-288.gif Permissive lunar dark Page 55 ../../../resources/icons/smallschematics/aspects/AAR-1946/PL-2-high/rule-289.gif Restricting red lunar Page 55 ../../../resources/icons/smallschematics/aspects/AAR-1946/PL-2-high/rule-290.gif Stop and Proceed red red Page 55 ../../../resources/icons/smallschematics/aspects/AAR-1946/PL-2-high/rule-291.gif Stop red dark Page 55 ../../../resources/icons/smallschematics/aspects/AAR-1946/PL-2-high/rule-292.gif Permissive Medium lunar dark Page 55 ../../../resources/icons/smallschematics/aspects/AAR-1946/PL-2-high/rule-289.gif Restricting Stop Clear Clear Medium Clear Clear Alt Clear Medium Clear Approach Medium Advance Approach Approach Medium Advance Approach Clear Medium Clear Medium Clear Approach Medium Approach Advance Approach Approach Medium Slow Clear Slow Approach Slow Approach Advance Approach Permissive Approach Slow Approach Permissive Medium Approach Slow Approach Restricting Approach Slow Approach Stop and Proceed Approach Slow Approach Stop and Proceed Medium Approach Slow Approach Stop Approach Slow Approach Medium Advance Approach Clear Medium Clear Medium Approach Clear Medium Clear Medium Approach Slow Clear Medium Clear Limited Clear Clear Medium Clear Approach Slow Advance Approach Approach Medium Approach Limited Clear Medium Clear Advance Approach Medium Clear Medium Clear