Noise characteristics of eight helicopters

LDR 01354cam a2200337 i 4500
001 102286089
003 MiAaHDL
005 20180216000000.0
006 m d
007 cr bn ---auaua
008 770920s1977 dcua b f00010 eng d
035 ‡asdr-ucr.b19134472
040 ‡aGPO ‡cGPO
049 9 9 ‡aRECLAMATION
074 ‡a431-B-5
086 ‡aTD 4.509:77-94
098 ‡aTD45097794
099 8 ‡aTD 4.509:77-94
035 ‡a(OCoLC)3283771
100 1 0 ‡aTrue, Harold C.
245 1 0 ‡aNoise characteristics of eight helicopters / ‡cHarold C. True and E. J. Rickley.
260 0 ‡aWashington : ‡bDept. of Transportation, Federal Aviation Administration, Systems Research & Development Service ; ‡aSpringfield, Va. : ‡bfor sale by the National Technical Information Service, ‡c1977.
265 ‡a22161.
300 ‡axiv, 153 p. : ‡bill., graphs, map ; ‡c28 cm.
490 0 ‡aReport - Federal Aviation Administration, Systems Research and Development Service ; FAA-RD-77-94.
538 ‡aMode of access: Internet.
650 0 ‡aNoise ‡xMeasurement.
650 0 ‡aHelicopters ‡xFlight testing.
650 0 ‡aRotors (Helicopters) ‡xNoise.
710 2 0 ‡aTransportation Systems Center.
710 1 0 ‡aUnited States. ‡bFederal Aviation Administration. ‡bSystems Research and Development Service.
CID ‡a102286089
DAT 0 ‡a19921101101731.0 ‡b20180216000000.0
DAT 1 ‡a20180222091138.0 ‡b2024-04-27T17:36:06Z
DAT 2 ‡a2024-04-27T17:30:02Z
CAT ‡aSDR-UCR ‡dIII - MILLENIUM ‡lprepare.pl-004-007
FMT ‡aBK
HOL ‡0sdr-ucr.b19134472 ‡auc1 ‡bSDR ‡cUCR ‡puc1.31210024784082 ‡sUC ‡1.b19134472
974 ‡bUC ‡cUCR ‡d20240427 ‡sgoogle ‡uuc1.31210024784082 ‡y1977 ‡rpd ‡qbib ‡tUS fed doc--NTIS: pubdate < 2018