COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Eurocopter BO 105 Series Helicopters
AD/BO 105/4 Dual Flight Controls 7/86 DM
Applicability: All model BO 105 helicopters with dual controls up to and including S/No 739. Requirement: Action in accordance with MBB Alert Bulletin No. 27.
Compliance: Before further flight after 1 July 1986.
Background: The possibility exists of collective controls becoming blocked.