EASA Regulations for Airbus Helicopters AS350B1

2 airworthiness directives and regulations affecting Airbus Helicopters AS350B1.

EASA AD US-2019-16-16

Engine Air Intake System - Rotorcraft Flight Manual Supplement - Revision

The Federal Aviation Administration (FAA) Airworthiness Directive 2019-16-16 is a final rule superseding AD 2018-18-12 concerning Airbus Helicopters Model AS350B, AS350B1, AS350B2, AS350B3, and AS350BA equipped with certain Pall Aerospace Inlet Barrier Filter (IBF) elements. This directive addresses unsafe conditions related to water ingestion by the engine due to affected IBF elements, which can cause engine flameout and loss of helicopter control. The AD expands applicability to additional IBF part numbers and prohibits reinstalling removed filters or installing affected filters on any helicopter.

Sep 12, 2019

Airworthiness DirectiveMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS350BAirbus Helicopters AS350B1Airbus Helicopters AS350B2Airbus Helicopters AS350B3Airbus Helicopters AS350BA

EASA AD US-2018-18-12

SUPERSEDED BY FAA AD 2019-16-16

FAA Airworthiness Directive 2018-18-12 is a final rule addressing Airbus Helicopters Model AS350B, AS350B1, AS350B2, AS350B3, and AS350BA equipped with Pall Aerospace Corporation inlet barrier filter elements part numbers CE01301F2 or CE01301F2B. This directive mandates revisions to the Rotorcraft Flight Manual Supplement to prohibit operation with a wet inlet barrier filter and requires replacement of the filter if it becomes wet. The AD aims to prevent engine flameout caused by excessive water ingestion through the filter.

Sep 25, 2018

Airworthiness DirectiveFlight OpsMaintenanceSafety MgmtAirbus Helicopters AS 350Airbus Helicopters EC 130Airbus Helicopters AS350BAirbus Helicopters AS350B1Airbus Helicopters AS350B2Airbus Helicopters AS350B3Airbus Helicopters AS350BA