Operational Load Measurements on Service Helicopters,
ROYAL AIRCRAFT ESTABLISHMENT FARNBOROUGH (UNITED KINGDOM)
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The philosophy of Operational Load Measurement programmes as applied to rotary wing aircraft is reviewed. A major aim is to substantiate component fatigue lives in the light of operational usage. The aircraft installation to meet the objectives of the programmes is described. The analysis techniques, which are designed to provide the operator and engineer with a visibility of the origins of fatigue damage, are described with illustrative examples taken from current programmes. The Paper draws attention to problem areas that must be addressed in comprehensive fatigue monitoring systems. NATO.