000 00530 a2200193 4500
008 181031t2015 xxu||||| |||| 00| 0 eng d
020 _a9781885544353
041 _aeng
080 _a629.73.064.5
_bH4
942 _cBK
_01
100 _aHelfrick, Albert
245 _aPrinciples of avionics
250 _a9th ed.
260 _aLeesburg
_bAvionics Communications
_c2015
300 _axxii, 511p. : ill.,
_bindex included
650 _aAIRPLANES-Electronic equipment
650 _aAVIONICS
650 _aRadion in navigation
999 _c175713
_d175713