Results 71 to 80 of about 233,826 (189)

Definition of airworthiness categories for civil Unmanned Aircraft Systems (UAS) [PDF]

open access: yes, 2010
This paper introduces a novel strategy for the specification of airworthiness certification categories for civil unmanned aircraft systems (UAS).\ud The risk-based approach acknowledges the fundamental differences between the risk paradigms of manned and
Fulton, Neale L.   +3 more
core   +1 more source

Effects of Different Materials and Structures on Mechanical Properties of Hail Used in Aviation Testing

open access: yesAerospace
Hail absorption test of aeroengine is one of the important components of airworthiness certification. The accurate test data are closely related to the density and mechanical properties of the artificial hail used in airworthiness tests.
Yewei Liu   +3 more
doaj   +1 more source

Comparison of Airworthiness Certification System between Korea and U.S. [PDF]

open access: yesJournal of the Korean Society for Aeronautical & Space Sciences, 2008
From design to serial production, aircraft should go thorough complicated certification procedure from airworthiness authority such as Type Certificate, Production Certificate and Certificate of Airworthiness. On the other hand, aircraft components are mandated to receive Technical Standard Order Approval and Production Manufacture Approval before ...
openaire   +1 more source

Characterization of Thermal Runaway of Lithium Ternary Power Battery in Semi-Confined Space

open access: yesEnergies
In some new energy aircraft powered by lithium-ion batteries (LIBs), the LIBs operate in semi-confined spaces. Therefore, studying the thermal runaway (TR) characteristics of LIBs in such spaces is significant to safety research of new energy aircraft ...
Hai Xu, Chenghao Hou, Po Hu, Yanhe Chen
doaj   +1 more source

Research on dynamic verification method of helicopter minimum flight crew based on Monte Carlo model

open access: yesHangkong gongcheng jinzhan
Scientifically verifying the rationality of the minimum flight crew configuration is a key issue in helicopter human factors airworthiness certification. To meet the development demands of operational efficiency and cost control in the aviation industry,
SONG Yong, XU Yuan, ZOU Yanzhang
doaj   +1 more source

Airworthiness Certification of Light Ejection Escape Equipment

open access: yesProcedia Engineering, 2011
AbstractThe effective regulations or standards haven’t provided enough safety requirements for unusual design features of light ejection escape equipment installed on acrobatic aircraft. In this article, this certification problem was discussed. First the design features of normal ejection escape equipment are discussed, and then applicability of ...
openaire   +1 more source

Surrogate Models and Related Combustion Reaction Mechanisms for a Coal-Derived Alternative Jet Fuel and Its Blends with a Traditional RP-3

open access: yesAerospace
Jet fuel from direct coal liquefaction (DCL) is an important alternative kerosene and represents a high-performance fuel for specific applications in civil applications.
Quan-De Wang   +6 more
doaj   +1 more source

Investigation on Airworthiness Certification of Composite Materials for Civil Aircraft

open access: yes, 2009
The airworthiness certifications topics about the composite materials in civil aviation have been investigated in the paper because of the safety and the performance problems coming from the wide application of composites in civil aircrafts.
Yang, C   +5 more
core  

Research on civil airborne equipment environmental qualification test

open access: yesHangkong gongcheng jinzhan
The environmental qualification test of civil aircraft airborne equipment is to demonstrate that the equipment meets the applicable environmental standards, and further meets the technical standards order(TSO), which is of great significance to the ...
WANG Chunhui, ZHAI Laijuan
doaj   +1 more source

A Flight Test Method of Flammable Liquid Leakage and Discharge for Certain Aircraft

open access: yesMATEC Web of Conferences, 2018
To guarantee the successful completion of airworthiness certification test for a certain type of aircraft, the leakage and discharge compliance criteria of flammable liquid were designed by studying airworthiness requirements and the design ...
Song Jiangtao, Zhao Yan, Li Yu
doaj   +1 more source

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