000 00834nam a22002652 4500
001 hsl001005360
003 DGPO
005 20170826152539.0
008 170105s1969 dcu r f000 0 eng d
040 _aGPO
_cGPO
_dMvI
074 _a0431-C-02
086 0 _aTD 4.8/2:6100.1/CH.1
099 _aTD 4.8/2:6100.1/CH.1
245 0 0 _aMaintenance of NAS enroute stage A air traffic control system, change 1.
260 _a[Washington, D.C.,
_c1969].
300 _a[286] p. :
_bill.
500 _aHandbook.
500 _a[Oct. 16, 1969].
500 _a4to.
500 _a[Cancellation date July 1, 1970. Issued with perforations].
500 _aCRDP Program Historic Shelflist record.
506 _aOfficial use. Not available.
650 0 _aAir traffic control.
710 1 _aUnited States.
_bFederal Aviation Administration.
949 _aBEV
_bFed Docs
999 _c263972
_d263972