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… aviation weather services, that have met the criteria and notification set out below, from the requirements of Chapter … the Manual of Surface Weather Observation . Criteria and Notification Criteria Persons providing aviation weather … of the meteorological element of atmospheric pressure. Notification This exemption applies to persons who have met …
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… replacement of first stage sun gear and planet gears at overhaul Introduction This document is to advise registered … gears. These incidents indicate that all operators and/or overhaul shops may not always be following the P&WC overhaul manual criteria or that the engine overhaul was …
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