000 00589nam a22001932 4500
001 hsl001005365
003 DGPO
005 20170826152539.0
008 170105s19uu dcu r f000 0 eng d
040 _aGPO
_cGPO
_dMvI
086 0 _aTD 4.8/2:6100.1/2/CH.8
099 _aTD 4.8/2:6100.1/2/CH.8
245 0 0 _aMaintenance of NAS en route stage A air traffic control system.
260 _a[Washington, D.C.,
_c19--?].
300 _av.
500 _aCRDP Program Historic Shelflist record.
650 0 _aAir traffic control.
710 1 _aUnited States.
_bFederal Aviation Administration.
949 _aBEV
_bFed Docs
999 _c263976
_d263976