The results of an unmanned simulation and an analysis of wind shear hazard are presented. The study involved the application of mathematical models of four diverse passenger aircraft types ranging from a small STOL commuter aircraft to a jumbo jet and of pilot models appropriate to each flight situation. The hazard to each aircraft was evaluated for both approach and takeoff in three severe wind shear profiles. The effects of varying operational techniques and propulsion system features were investigated and explained with the aid of a simplified linear analysis. No direct correspondence was found between wind shear hazard and aircraft size or type, per se. Instead, the main factors affecting sensitivity to wind shear were shown to be airspeed, flight path regulation, and airspeed regulation. Also, the shear dependency as modeled in the simulation was found to be important. (Author)

  • Corporate Authors:

    Systems Technology, Incorporated

    13766 South Hawthorne Boulevard
    Hawthorne, CA  United States  90250
  • Authors:
    • Lehman, J M
    • Heffley, R K
    • Clement, W F
  • Publication Date: 1977-12

Media Info

  • Pagination: 157 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00175954
  • Record Type: Publication
  • Source Agency: National Technical Information Service
  • Report/Paper Numbers: FAA/RD-78/7 Final Rpt., STI-TR-1063-3
  • Contract Numbers: NAS2-8889
  • Files: NTIS, TRIS
  • Created Date: Jun 28 1978 12:00AM