MS-27289 Complete Document History
Transformer, Power, Isolation; Airport Lighting 30-45W/6.6A/6.6A/5000V, General Specification for

Complete Current Edition:
   REVISION C - TRANSFORMER, POWER, ISOLATION- - Nov. 15, 1990
   REV C INACTIVATION 1 - INACTIVATION NOTICE 1, REV C - March 31, 1999
   REV C VALIDATION 2 - VALIDATION NOTICE 2, REV C - Aug. 4, 2004
   REV C VALIDATION 3 - VALIDATION NOTICE 3, REV C - Aug. 8, 2011
   REV C VALIDATION 4 - VALIDATION NOTICE 1 FOR REVISION C - May 10, 2021

Obsolete Revision Information:
   REV B VALIDATION 1 - VALIDATION NOTICE 1, REV B - April 15, 1988
   REVISION B - TRANSFORMER, POWER, ISOLATION- - Aug. 18, 1965