Tliis ({Aerospace Series,: pre-standard has been drawn up under the responsibility of AECMA
(Association Européenne des Constructeurs de Matériet Aérospatial). It is published on green paper
for the needs of AECMA-Members. It has been technically approved by the experts of the concerned
Commission lo110 wing comment by rhe Member countries.
AECMA PREN 3709-1990 history
2005AECMA PREN 3709-2005 Aerospace Series Wrenches and Sockets Bi-Hexagonal Technical Specification Edition P 2
1990AECMA PREN 3709-1990 Aerospace Series Wrenches and Sockets Bi-Hexagonal Technical Specification Issue P 1