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Airworthiness Directives (ADs)

CAA-2017-09-021

The aircraft owner or operator shall comply with Airworthiness Directives issued by the CAA or the aeronautics authority of the State of Design (SoD) of the aviation products, appliances and parts, and take all necessary actions thereto.

Issue Date
2017/10/05
Applicability
MBB-BK117 A-1, MBB-BK117 A-3, MBB-BK117 A-4, MBB-BK117 B-1, MBB-BK117 B-2 and MBB-BK117 C-1 helicopters, all serial numbers (s/n).
Model Number
MBB-BK117 helicopters
CAA AD Number
CAA-2017-09-021
Aeronautics Authority of Original AD
EASA
Original AD Number
2017-0193
Effective Date
2017/10/13
Subject
Main Rotor Drive – Main Rotor Mast – Inspection
Reference Publications (Revision/ATA/SB)
ATA 63. This AD supersedes Luftfahrt-Bundesamt (LBA) AD 97-276 dated 25 September 1997. Ref. Publications: ECD ASB-MBB-BK 117-10-114 original issue dated 27 August 1997, or AH ASB MBB-BK117-10-114 Revision 1 dated 28 July 2017.
Remarks
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CAA-2017-09-021.pdf
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