NDLI: Airworthiness qualification criteria for rotorcraft with external sling loads

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Airworthiness qualification criteria for rotorcraft with external sling loads

Content Provider	NASA Technical Reports Server (NTRS)
Author	Key, David L.
Copyright Year	2002
Description	This report presents the results of a study to develop airworthiness requirements for rotorcraft with external sling loads. The report starts with a review of the various phenomena that limit external sling load operations. Specifically discussed are the rotorcraft-load aeroservoelastic stability, load-on handling qualities, effects of automatic flight control system failure, load suspension system failure, and load stability at speed. Based on past experience and treatment of these phenomena, criteria are proposed to form a package for airworthiness qualification. The desired end objective is a set of operational flight envelopes for the rotorcraft with intended loads that can be provided to the user to guide operations in the field. The specific criteria proposed are parts of ADS-33E-PRF; MIL-F-9490D, and MIL-STD-913A all applied in the context of external sling loads. The study was performed for the Directorate of Engineering, U.S. Army Aviation and Missile Command (AMCOM), as part of the contract monitored by the Aerothermodynamics Directorate, U.S. Army AMCOM.
File Size	1982806
Page Count	35
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20030007924
Archival Resource Key	ark:/13960/t9479bn6w
Language	English
Publisher Date	2002-01-01
Access Restriction	Open
Subject Keyword	Aircraft Design, Testing And Performance Flight Tests Military Operations Loading Automatic Flight Control Aircraft Reliability Controllability Aircraft Design Rotary Wing Aircraft Aeroservoelasticity Military Aviation Qualifications Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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