EASA Regulations for Airbus Helicopters AS 355

58 airworthiness directives and regulations affecting Airbus Helicopters AS 355.

EASA AD 2021-0023

Jan 19, 2021

Equipment / Furnishings — Cyclic Stick Grip UP/DOWN Hoist Control Switch — Modification

EASA Airworthiness Directive 2021-0023 is an airworthiness directive issued by EASA concerning Airbus Helicopters AS 350 and AS 355 models. It addresses the cyclic stick grip UP/DOWN hoist control switch, specifically the affected UP/DOWN switches with Part Number AC66444 installed on DUNLOP cyclic stick grips. The directive mandates modifications to prevent unintended activation of the rescue hoist cable cutter function.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355

EASA AD 2020-0266

Dec 8, 2020

Rotorcraft Flight Manual — N2 Speed Avoidance Range Limitation — Amendment / Placard — Installation

EASA Airworthiness Directive 2020-0266 addresses a safety issue affecting Airbus Helicopters AS 355 E, F, F1, and F2 models equipped with Rolls-Royce Corporation 250-C20F engines. The directive mandates amendments to the Rotorcraft Flight Manual and installation of a placard to avoid a specific N2 turbine speed range that can cause fatigue failures in power turbine 3rd stage wheels. This AD aims to prevent engine power loss and potential helicopter control issues.

Airworthiness Directive
  • Airbus Helicopters AS 355
  • Airbus Helicopters AS 355 E
  • Airbus Helicopters AS 355 F
  • Airbus Helicopters AS 355 F1
  • Airbus Helicopters AS 355 F2

EASA AD 2020-0224R1

Nov 11, 2020

Tail Rotor — Tail Rotor Blades — Inspection / Replacement / Modification

EASA Airworthiness Directive 2020-0224R1 is a regulatory document addressing inspection, replacement, and modification requirements for tail rotor blades on Airbus Helicopters AS 350 and AS 355 models. It targets specific pre-modification 075580 tail rotor blades identified by certain part numbers due to risks of debonding of leading edge protection shields. The directive mandates inspections and replacement to ensure continued airworthiness and safe operation of affected helicopters.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355

EASA AD 2020-0217-E

Oct 6, 2020

Equipment / Furnishings – Cyclic Stick Grip UP/DOWN Hoist Control Switch – Operational Limitation / Rotorcraft Flight Manual – Amendment

EASA Airworthiness Directive 2020-0217-E is an emergency directive issued for Airbus Helicopters AS 350 B, BA, B1, B2, D and AS 355 E, F, F1, F2 models. It addresses a safety issue related to the UP/DOWN switches for rescue hoist control installed on Dunlop cyclic stick grips with Part Number AC66444. The directive mandates operational limitations and amendments to the Rotorcraft Flight Manual to prevent unintended activation of the rescue hoist cable cutter function.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355
  • Airbus Helicopters AS 350 B
  • Airbus Helicopters AS 350 BA
  • Airbus Helicopters AS 350 B1
  • Airbus Helicopters AS 350 B2
  • Airbus Helicopters AS 350 D
  • Airbus Helicopters AS 355 E
  • Airbus Helicopters AS 355 F
  • Airbus Helicopters AS 355 F1
  • Airbus Helicopters AS 355 F2

EASA AD 2020-0186

Aug 20, 2020

Stabilizers – Vertical Fin – Inspection

EASA Airworthiness Directive 2020-0186 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters AS 350 and AS 355 models. It addresses a safety concern related to cracks and fractured attachment screws in the upper vertical fin spar, which could lead to in-flight separation and loss of control. The directive mandates inspections and corrective actions to ensure continued airworthiness of these helicopters.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355

EASA AD 2017-0089R1

Jun 23, 2020

Main Rotor — Main Rotor Mast Upper Bearing — Lubrication / Main Rotor Mast Jet Oil Hose — Inspection

EASA Airworthiness Directive 2017-0089R1 is an updated regulatory requirement addressing the lubrication and inspection of the main rotor mast upper bearing and main rotor mast jet oil hose on Airbus Helicopters AS 350, AS 355, and EC 130 models. It specifically targets main rotor mast jet oil hoses with Part Number 704A34-412-015 manufactured in or before the second trimester of 2017. The directive mandates inspections and potential replacements to prevent bearing lubrication failure.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355

EASA AD 2011-0164R3

Apr 7, 2020

Rotors Flight Control — Tail Rotor Control Stop Screws — Inspection

The document titled Rotors Flight Control — Tail Rotor Control Stop Screws — Inspection is an airworthiness directive applicable to AIRBUS HELICOPTERS models AS 350, EC 130, and AS 355. It addresses the inspection requirements for the tail rotor control stop screws to ensure continued safe operation of these helicopter models. The directive aims to prevent potential flight control issues related to the tail rotor system.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355

EASA AD 2020-0064

Mar 19, 2020

Equipment / Furnishings — Emergency Flotation System / Inflation Hoses — Inspection

EASA Airworthiness Directive 2020-0064 is an airworthiness directive addressing the inspection of emergency flotation systems and inflation hoses installed on various Airbus Helicopters models including MBB-BK117, EC 135, EC 120 B, EC 175, AS 332, AS 350, EC 130, AS 355, SA 365, AS 365, and EC 155 helicopters. The directive mandates inspection and possible replacement of affected float supply hoses to ensure proper inflation of emergency flotation devices. It applies to specific part numbers and serial numbers as detailed in the associated service bulletins.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355
  • Airbus Helicopters EC 120 B
  • Airbus Helicopters EC175
  • Airbus Helicopters SA 330
  • Airbus Helicopters AS 332
  • Airbus Helicopters EC 225
  • Airbus Helicopters SA
  • Airbus Helicopters AS 365
  • Airbus Helicopters EC 155
  • Airbus Helicopters EC135
  • Airbus Helicopters 635
  • Airbus Helicopters MBB-BK 117
  • Airbus Helicopters MBB-BK117
  • Airbus Helicopters EC 135
  • Airbus Helicopters EC 175
  • Airbus Helicopters SA 365

EASA AD US-2020-02-23

Feb 21, 2020

Equipment / Furnishings - Emergency Float Kit Pull Cables - Inspection

Federal Aviation Administration Airworthiness Directive 2020-02-23 is a final rule addressing certain Airbus Helicopters models AS350B series and AS355 series equipped with emergency float kits. It mandates repetitive inspections of the pull cable installation on the emergency float kits to ensure proper activation of the float inflation system. This directive aims to prevent asymmetric float inflation or failure to deploy, which could lead to capsizing during water landings.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355
  • Airbus Helicopters AS350B
  • Airbus Helicopters AS355

EASA AD 2019-0228

Sep 12, 2019

Equipment / Furnishings — Electric Hoist Installation — Modification

EASA Airworthiness Directive 2019-0228 addresses the electric hoist installation modification on Airbus Helicopters AS 350 and AS 355 models. It targets electric hoists manufactured by BREEZE, TRW, LUCAS, or AIR EQUIPEMENT installed with specific hoist boxes, ensuring proper electrical modifications are applied to guarantee emergency release functionality. The directive mandates verification and correction of the hoist electrical system to prevent failure in emergency cable release.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355

EASA AD 2019-0184

Jul 29, 2019

Rotors Flight Control — Main Rotor Servo Actuators — Inspection

EASA Airworthiness Directive 2019-0184 is an airworthiness directive addressing the inspection of main rotor servo actuators on Airbus Helicopters models SA 365, AS 365, EC155, AS 350, EC 130, and AS355. The directive targets specific part numbers of main rotor servo actuators to ensure the correct installation of the threaded-shouldered bushing to prevent potential loss of helicopter control.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355
  • Airbus Helicopters SA
  • Airbus Helicopters AS 365
  • Airbus Helicopters EC 155
  • Airbus Helicopters SA 365
  • Airbus Helicopters EC155
  • Airbus Helicopters AS355

EASA AD 2017-0020R1

May 22, 2019

Tail Rotor — Pitch Rod — Inspection

EASA Airworthiness Directive 2017-0020R1 is an updated safety directive addressing inspection requirements for the tail rotor pitch rod on Airbus Helicopters AS 350 and AS 355 models. It mandates repetitive visual inspections of the elastomeric ball-joint of the tail rotor pitch rod to detect damage that could lead to loss of helicopter control. The directive applies to all serial numbers of AS 350 B, BA, BB, B1, B2, B3 and AS 355 E, F, F1, F2, N, and NP helicopters incorporating specific modifications.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355
  • Airbus Helicopters AS 350 B
  • Airbus Helicopters AS 350 BA
  • Airbus Helicopters AS 350 BB
  • Airbus Helicopters AS 350 B1
  • Airbus Helicopters AS 350 B2
  • Airbus Helicopters AS 350 B3
  • Airbus Helicopters AS 355 E
  • Airbus Helicopters AS 355 F
  • Airbus Helicopters AS 355 F1
  • Airbus Helicopters AS 355 F2
  • Airbus Helicopters AS 355 N
  • Airbus Helicopters AS 355 NP

EASA AD 2019-0060

Mar 20, 2019

Rotors Flight Control — Tail Rotor Gearbox Actuating Rod — Inspection

EASA Airworthiness Directive 2019-0060 is an official directive addressing inspection requirements for the tail rotor gearbox actuating rods on Airbus Helicopters AS 350 and AS 355 models. It mandates dye penetrant inspections and marking of specific tail rotor gearbox actuating rods to detect cracks and prevent loss of yaw control. The directive applies to all serial numbers of the affected helicopter models and includes detailed part numbers and manufacturing dates for inspection.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355

EASA AD CF-2019-01

Jan 10, 2019

Standard Practices — Helicopter External Transport System (HETS—¢) - Unapproved Parts, Inadequate Service Life Limits and Maintenance Requirements

Airworthiness Directive CF-2019-01 is a Canadian regulatory document addressing the Helicopter External Transport System (HETS™) certified under Transport Canada Supplemental Type Certificate SH98-35 installed on specific helicopter models including Bell 206B, 206L series, 407, Airbus Helicopters AS350 and AS355 series, and MD Helicopter 369 and 500N series. The directive focuses on issues related to unapproved parts, inadequate service life limits, and maintenance requirements for HETS™ components. It mandates inspections, component removals, and flight manual amendments to ensure continued airworthiness and safety.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355
  • Bell 206
  • Bell 407
  • Md Helicopters Inc (Mdhi) 369
  • Md Helicopters Inc (Mdhi) 500N
  • Bell 206B
  • Bell 206L
  • Airbus Helicopters AS350
  • Airbus Helicopters AS355
  • MD Helicopter 369
  • MD Helicopter 500N

EASA AD 2018-0287

Dec 20, 2018

Rotors Flight Control – Tail Rotor Gearbox Actuating Rod – Inspection

EASA Airworthiness Directive 2018-0287 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting Airbus Helicopters AS 350 and AS 355 models. It addresses a safety concern involving the tail rotor gearbox actuating rods, which may suffer structural failure due to material defects and micro cracks. The directive mandates inspections and corrective actions to ensure continued safe operation of these helicopters.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355

EASA AD 2018-0206

Sep 20, 2018

Main Rotor — Mast Upper Bearing Sealant Bead / Inner Race Retaining Rings — Inspection

EASA Airworthiness Directive 2018-0206 is an airworthiness directive issued by the European Aviation Safety Agency addressing Airbus Helicopters AS 350, EC 130, and AS 355 models. It mandates inspections of the main rotor mast upper bearing sealant bead and inner race retaining rings to ensure correct installation and prevent potential bearing failure. The directive applies to specific part numbers of the main rotor mast shafts and affects all serial numbers of the listed helicopter models.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355

EASA AD 2018-0152

Jul 18, 2018

Fuselage – Main Gearbox Bracket Bolts – Inspection

EASA Airworthiness Directive 2018-0152 is an airworthiness directive issued by the European Aviation Safety Agency addressing Airbus Helicopters AS 350, EC 130, and AS 355 models. It mandates a one-time inspection of the main gearbox bracket installation bolts to detect missing bolt heads, which could lead to fatigue failure and potential loss of the helicopter's main gearbox suspension bar. The directive applies to all serial numbers of the specified helicopter models.

Airworthiness DirectiveSuperseded
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355

EASA AD CF-2017-37

Dec 21, 2017

Flight Controls — Restriction of directional control pedal movement

Canadian Airworthiness Directive CF-2017-37 addresses a restriction of directional control pedal movement caused by certain litter kits installed on Airbus Helicopters AS350 and AS355 models. The affected litter kits include part numbers 350-200034, 350-200194 (left-hand), and 350-200144 (right-hand). This directive applies to multiple Supplemental Type Certificates issued by Transport Canada, the FAA, and other international authorities.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 355
  • Airbus Helicopters AS350
  • Airbus Helicopters AS355