FLIGHT LOADS INVESTIGATION OF CARGO AND TRANSPORT CH-47A HELICOPTERS OPERATING IN SOUTHEAST ASIA

Abstract

From a structural flight loads program on four CH-47A cargo and transport helicopters, 235.76 hours of valid multichannel flight data were recorded as the helicopters operated from air bases in Southeast Asia. Data were processed and analyzed according to four distinct flight phases, termed mission segments: (1) takeoff and ascent; (2) maneuver; (3) descent, flare, and landing; and (4) steady state. Data are presented in the form of time and occurrence tables, histograms, and exceedance curves. These data indicate the time spent in the mission segments and parameter ranges; the number of peak parameter values occurring in the ranges of the given parameter, during each of the mission segments, and in the ranges of one or more related parameters; and the time to reach or exceed given maneuver and gust normal load factors.

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Document Details

Document Type
Technical Report
Publication Date
Apr 01, 1968
Accession Number
AD0672842

Entities

People

  • F. Joseph Giessler
  • Joseph F. Braun

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Air Force
  • Air Force Facilities
  • Air Temperature
  • Aircrafts
  • Army Aviation
  • Asia
  • Contracts
  • Data Processing
  • Flight Loads
  • Gust Loads
  • Helicopters
  • Measurement
  • Peak Values
  • Southeast Asia
  • Standards
  • United States
  • Virginia

Readers

  • Aerodynamics/Aeronautics.
  • Aerospace Engineering
  • Regression Analysis.