Show AIRPLANE OWNE OWNERS URGED TO CHECK airworthiness NOTES NOYES owners of personal type airplanes should be prompt in making mechanical c h a n g c e a necessary for eafe sale operation D W administrator of civil aeronautics tilis this week in washington such changes nd and repairs when needed are arc described in CAA airworthiness directives prepared by the office of aviation safety the directives are are arc distributed to all airport man agens agers certificated mec mcc mechanics hanics hanica repair stations and CAA offices unless the plane owner consults these directives he hka hta no way of knowing of changes which wai wak may be urgently necessary in his aircraft aircraft and thelt their components nrc arc carefully and inspected before they arc are a approved for use by the public occasionally caslo casio nally v however a part falls to give the anticipated service in such cases an airworthiness directive Is issued requiring the plane owner to substitute a part of different design or compost tion several recent small piane plane accidents to have been caused by failure of the owner owners to comply with these directives directive which are issued to protect the pu public ilie hile pilot passengers and owners |