Summary
We are adopting a new airworthiness directive (AD) for Airbus Helicopters (previously Eurocopter France) Model EC155B1 and AS 365 N3 helicopters with a certain automated flight control system (AFCS) and with a Garmin global positioning system (GPS) installed. This AD requires revising the Rotorcraft Flight Manual (RFM) to prohibit using the autopilot coupled with a Localizer/Instrument Landing System (LOC/ ILS) or Very High Frequency Omnidirectional Range (VOR) approach. This AD is prompted by a report of unpredictable and unexpected roll oscillations during coupled LOC or VOR approaches.This condition, if not corrected, could result in loss of helicopter control.
Directive Details
AD Number
FAA-2014-1058
Document Number
2015-00543
Type
Rule
Publication Date
January 15, 2015
Effective Date
January 30, 2015
Comments Close
March 16, 2015
Affected Manufacturer
Airbus Helicopters (Previously Eurocopter France)
Criticality
important
Emergency
No
Docket ID
Docket No. FAA-2014-1058
Topics
Official Documents
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