airworthinessdirectives.com
网站标题：	Airworthiness Directives
网站简介：	The AD Toolbox. An Airworthiness Directives Regulatory Library for Aircraft Maintenance Professionals. Includes *iation Service Bulletins, Type Certificate Data Sheets, and other FAA regulatory documents.
关键字：	ZA  Zook  AD  Library  AD  Toolbox  Regulatory  Library  Airworthiness  Directives  Online  AD  Library  Maintenance-Related  Library  FAA  Airworthiness  Directives  Airworthiness  D

ostiv.org
网站标题：	International Scientific and Technical Soaring Organisation - OSTIV
网站简介：	OSTIV, is a non-profit organization, affiliated with the Federation Aéronautique Internationale (FAI), as their scientifical arm for gliding.
关键字：	gliding  soaring  sailplanes  airworthiness  meteorology  training  pilots

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