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… pilots who have not yet reached an operational aviation language proficiency level to engage in radiotelephony … Civil Aviation Organization (ICAO) introduced the aviation language proficiency standards as a means to ensure that … radiotelephony communications in English or the language used for aviation communications between aircraft …
34.507
… mount legs on Bell model 206L-series helicopters and replace deteriorated parts. Background: Operators have … clamps that are used to attach tubes, hoses or wiring. Replace or repair parts in accordance with maintenance manual … or any other indication that the part is degraded. Replace engine mount legs if there is any doubt about the …
27.309