Aviation Maintenance Magazine

Donaldson Adds Eurocopter AS350B3e Barrier Filter Approval

13 Dec 2011

Donaldson Aerospace & Defense, a division of Donaldson Company, Inc. has obtained Federal Aviation Administration (FAA) approval for the first Inlet Barrier Filter (IBF) system available for the Eurocopter AS350B3e model helicopter with the Turbomeca Arriel 2D engine. The Donaldson IBF approval adds the AS350B3e to the existing Supplemental Type Certificate (STC) for both single hydraulic aircraft (PN#112005-101) and dual hydraulic aircraft (PN#121001-101). Donaldson IBF systems for the Eurocopter AS350B3e feature an easily removed flat filter assembly and integral bypass design, readily installed into existing cowl designs without burdensome cowling alterations. A filter maintenance aid allows for on-condition status checks between established cleaning intervals, eliminating unnecessary service. No restrictions are imposed for flight in falling or blowing snow or with visible moisture in non-icing conditions.