Aero magazine - Issue 19
AERO is a quarterly magazine published by Boeing Commercial Airplane Group providing operators of Boeing and Douglas commercial airplane products with supplemental technical information to promote continuous safety and efficiency in fleet operations.
www.boeing.com/commercial/aeromagazine/   reviews

IMP Aerospace - Technical Publications
I.M.P. Group International Inc. has earned a reputation as a leader in the field of military and commercial aircraft engineering and maintenance, and related specialized services.
www.impgroup.com/aerospace/technical.htm   reviews