000 00651nam a22002172 4500
001 hsl001005313
003 DGPO
005 20170826152539.0
008 170105s1978 dcu r f000 0 eng d
040 _aGPO
_cGPO
_dMvI
074 _a0431-C-04
086 0 _aTD 4.8/2:6030.22 A/CH.2
099 _aTD 4.8/2:6030.22 A/CH.2
245 0 0 _aCertification of airway systems, systems, and equipment.
260 _a[Washington, D.C.,
_c1978].
300 _av.
500 _aFeb. 1978.
500 _aCRDP Program Historic Shelflist record.
650 0 _aAir traffic control
_xCertification.
710 1 _aUnited States.
_bFederal Aviation Administration.
949 _aBEV
_bFed Docs
999 _c263957
_d263957