000 00515nam a2200181 4500
003 OSt
005 20210903113312.0
008 210903b xxu||||| |||| 00| 0 eng d
040 _cIIT Kanpur
041 _aeng
100 _aMcConkey, Edwin D.
245 _aInstrument approach aids for helicopters
_cEdwin D. McConkey and Ronald E. Ace
260 _aSpringfield
_bNational Technical Information Service
_c1982
300 _avarious pagings
505 _aDOT/FAA/RD-82/6
650 _aAerospace
942 _cTR
999 _c564802
_d564802