The European Aviation Safety Agency issued an emergency airworthiness directive on 17 May relating to Eurocopter EC135 helicopters after a crack was detected on the lower hub-shaft flange of a main ...

Sikorsky Aircraft has received Federal Aviation Administration approval to grant life extensions for the Main Rotor Hub on the company's S-92® helicopter platform. Through its aftermarket business, ...

WASHINGTON (Reuters) -The U.S. Federal Aviation Administration (FAA) on Wednesday issued an emergency directive requiring main rotor inspections for some Bell model 212, 204 and 205 helicopters after ...

Transport Canada and the FAA have issued an emergency airworthiness directives (AD) requiring main-rotor hub inspections of certain Bell helicopters following the fatal crash of a Bell 212 last month ...

The FAA issued a second emergency airworthiness directive (AD) this week that requires operators of additional models of Bell helicopters to inspect their main-rotor hubs for potentially faulty hub ...

Marenco Swisshelicopter is making tweaks to the main rotor hub of its SH-09 light-single based on data from flight tests that began last October. The design changes will be applied to the second ...