FAA-AC-183.29-1 Complete Document History
http://www.faa.gov/other_visit/aviation_industry/designees_delegations/designee_types/media/DERDirectory.pdf

Complete Current Edition:
   REVISION HH - CANCELS REVISION GG - March 1, 2000

Obsolete Revision Information:
   REVISION GG - DESIGNATED ENGINEERING REPRESE - Dec. 22, 1998
   REVISION FF - DESIGNATED ENGINEERING REPRESE - Dec. 18, 1997
   REVISION EE - DESIGNATED ENGINEERING REPRESE - Dec. 18, 1996
   REVISION DD - DESIGNATED ENGINEERING REPRESE - Sept. 12, 1995
   REVISION CC - DESIGNATED ENGINEERING REPRESE - Sept. 21, 1994
   REVISION BB - DESIGNATED ENGINEERING REPRESE - July 7, 1993
   REVISION AA - DESIGNATED ENGINEERING REPRESE - Aug. 6, 1992
   REVISION Z - DESIGNATED ENGINEERING REPRESE - July 12, 1991
   REVISION Y - DESIGNATED ENGINEERING REPRESE - July 25, 1990
   REVISION X - DESIGNATED ENGINEERING REPRESE - May 31, 1989