This standard is initially published on green paper for the needs of AECMA-Members (Association
Europeenne des Constructeurs de Matdriel Adrospatial). it has been technically approved by the
experts of the concerned AECMA Commission following comment by the manufacturers of the Member countries.
AECMA PREN 2055-1976 history
1995AECMA PREN 2055-1995 Aerospace Series Folded Profiles U-Section with Internally Lipped Flanges in Aluminium and Aluminium Alloys Dimensions Edition 2
1976AECMA PREN 2055-1976 U-Section - Aluminium Alloy Folded Profiles with Internally Lipped Flanges Dimensions Aerospace Series Edition 1