Airworthiness Directives 2004 - Revocation and Remaking - Eurocopter AS 350 (Ecureuil) Series Helicopters

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 Airworthiness Directives 2004

 I, DAVID ALAN VILLIERS, delegate of the Civil Aviation Safety

 Authority, acting under subregulation 39.001 (1) of the Civil

 Aviation Safety Regulations 1998:

 (a) revoke the Airworthiness Directives mentioned in

 Schedule 1; and

 (b) make, as separate instruments, each Airworthiness

 Directive mentioned in Schedule 1 and attached.

 

 

 David Villiers

 Delegate of the Civil Aviation Safety Authority

 

  20 December 2004

 Note:   Each attached Airworthiness Directive is being re-made in exactly the

 same form as appears in the latest published edition of the Directive.

 


 Schedule 1 Revocation and Remaking of

 Airworthiness Directives

 Eurocopter AS 350 (Ecureuil) Series Helicopters

 AD Name AD Number

 Tail Gearbox Attaching Lug Screws - Modification - CANCELLED AD/ECUREUIL/1

 Yaw Control Rod - Modification - CANCELLED AD/ECUREUIL/2

 Vibration Absorber Mounting Flange - Inspection AD/ECUREUIL/3

 Main Rotor Shaft Star Drive Adapter - Inspection AD/ECUREUIL/4

 Tail Rotor Control Fixed Plate - Inspection of Self Aligning Bearing AD/ECUREUIL/5

 Main Rotor Spherical Thrust Bearings - Inspection - CANCELLED AD/ECUREUIL/6

 Tail Rotor Hub - Installation of Flapping Hinge Wear Indicators - CANCELLED AD/ECUREUIL/7

 Starflex Star to Main Rotor Shaft Securing Bolts AD/ECUREUIL/8 Amdt 1

 MGB Bevel Gear Splines - CANCELLED AD/ECUREUIL/9

 Retirement Life - Fatigue Critical Components AD/ECUREUIL/10 Amdt 5

 Main Gear Box - Spectrometric Analysis of Lubricating Oil AD/ECUREUIL/11 Amdt 2

 Tail Rotor Blade Pitch Horn AD/ECUREUIL/12 Amdt 3

 Cargo Swing Installation - Modification - CANCELLED AD/ECUREUIL/13

 Hydraulic Pump Driving Pulley - Inspection of Attachment Bolts - CANCELLED AD/ECUREUIL/14

 CANCELLED AD/ECUREUIL/15

 Tail Rotor Blades, Bonding Separation of Stainless Steel Leading Edge  AD/ECUREUIL/16 Amdt 1

 Tail Rotor Drive Shaft Bearing - Inspection - CANCELLED AD/ECUREUIL/17

 Upper Fin Attachment Fitting - Inspection AD/ECUREUIL/18

 Fuel Filter By-Pass Valve - Replacement - CANCELLED AD/ECUREUIL/19

 Main Gear Box Oil Filter - Inspection AD/ECUREUIL/20

 Main G/Box Bevel Reduction Gear Module AD/ECUREUIL/21 Amdt 1

 Tail Rotor Blade Assembly AD/ECUREUIL/22 Amdt 6

 Main Rotor Mast AD/ECUREUIL/23 Amdt 4

 Tail Rotor Blade Stainless Steel Leading Edge Protective Strips - Replacement -  AD/ECUREUIL/24

 Sliding Door Ball Joint - Inspection and Modification - CANCELLED AD/ECUREUIL/25 Amdt 1

 Air Cruisers Emergency Flotation System - Inspection/Modification AD/ECUREUIL/26 Amdt 1

 Securaiglon (Ex Laiglon) Safety Belts - Modification - CANCELLED AD/ECUREUIL/27

 Fuel/Oil Filters - Inspection - CANCELLED AD/ECUREUIL/28

 Fuel System - CANCELLED AD/ECUREUIL/29


 Main Rotor Sleeve Beams AD/ECUREUIL/30

 Rear RH & LH Steps AD/ECUREUIL/31 Amdt 1

 Fuel Filter - CANCELLED AD/ECUREUIL/32 Amdt 1

 Starflex Arms and MGB Suspension Bars - CANCELLED AD/ECUREUIL/33

 Main Rotor Head, Main Gearbox and Landing Gear AD/ECUREUIL/34

 Planet Gear Cage to Rotor Shaft Attachment Bolts AD/ECUREUIL/35

 Consolidation of Early Airworthiness Directives AD/ECUREUIL/36 Amdt 2

 Tail Rotor Control Spider AD/ECUREUIL/37 Amdt 1

 Winch Attachment Angle Brackets - CANCELLED AD/ECUREUIL/38 Amdt 1

 Cargo Hook Emergency Manual Control AD/ECUREUIL/39

 Tail Rotor Gearbox Casing AD/ECUREUIL/40

 Battery Thermal Sensor Connector AD/ECUREUIL/41

 Servo Control Securing Screw AD/ECUREUIL/42 Amdt 1

 Rotating Swashplate Bearing - CANCELLED AD/ECUREUIL/43 Amdt 1

 Aft Section Tail Rotor Drive Shaft Bearings - CANCELLED AD/ECUREUIL/44 Amdt 1

 Tail Rotor Pitch Control Lever Expansion Pin AD/ECUREUIL/45

 Tail Rotor Drive Shaft Bearings AD/ECUREUIL/46

 Electric Hoist Installation AD/ECUREUIL/47 Amdt 1

 Emergency Locator Transmitter Antenna AD/ECUREUIL/48

 Lucas Air Equipment Hoist - Explosive Squib AD/ECUREUIL/49

 Main Rotor Pitch Change Horn Bushes AD/ECUREUIL/50 Amdt 1

 Engine Bay Fire Detection AD/ECUREUIL/51 Amdt 1

 In Door Sliding Windows AD/ECUREUIL/52 Amdt 1

 Cyclic Pitch Change Rod AD/ECUREUIL/53

 Main Rotor Shaft Oil Jet AD/ECUREUIL/54

 MGB Suspension Bi-Directional Cross Beam AD/ECUREUIL/55 Amdt 1

 Tail Boom-to-Aircraft Structure Junction Attachment Screws AD/ECUREUIL/56 Amdt 1

 Tail Rotor Drive Shaft Bearings AD/ECUREUIL/57 Amdt 1

 Single-Pole Circuit Breakers AD/ECUREUIL/58

 Tail Rotor Hub Pitch Change Bearings AD/ECUREUIL/59 Amdt 4

 NR Indicator Lighting AD/ECUREUIL/60

 TR Head Pitch Change Plate Bearing Spacer AD/ECUREUIL/61 Amdt 1

 Ferry Fuel Tanks AD/ECUREUIL/62

 This AD yet to be Issued AD/ECUREUIL/63

 Engine Oil Pipe AD/ECUREUIL/64

 Tail Rotor Drive Shaft Forward Fairing AD/ECUREUIL/65 Amdt 2


 Tail Rotor Hub Pitch Change Bearings AD/ECUREUIL/66 Amdt 1

 Rear Bench Cushions AD/ECUREUIL/67 Amdt 1

 Ancillary Systems Unit - Printed Circuit Board No.2 AD/ECUREUIL/68

 Main Rotor Starflex Star AD/ECUREUIL/69 Amdt 2

 Main Servocontrol Rods AD/ECUREUIL/70 Amdt 1

 Tail Rotor Blade Trailing Edge AD/ECUREUIL/71

 BREEZE Electric Hoist AD/ECUREUIL/72

 SIREN Cargo Hooks AD/ECUREUIL/73

 Tail Servo Control Rod Eye End Fitting AD/ECUREUIL/74 Amdt 1

 Switching Unit AD/ECUREUIL/75

 Electrical Power AD/ECUREUIL/76

 Horizontal Situation Indicator AD/ECUREUIL/77 Amdt 1

 Sliding Door AD/ECUREUIL/78 Amdt 1

 'TRW-SAMM' Main Servocontrols AD/ECUREUIL/79 Amdt 1

 Main Rotor and Tail Rotor  Dynamic Components AD/ECUREUIL/80 Amdt 1

 Main Gearbox Cowling Seals AD/ECUREUIL/81

 Electric Hoists AD/ECUREUIL/82

 Cyclic Control AD/ECUREUIL/83 Amdt 1

 Hydraulic Fluid AD/ECUREUIL/84

 Exhaust Duct and Fuel Line Interefence AD/ECUREUIL/85

 Horizontal Situation Indicator AD/ECUREUIL/86 Amdt 1

 Main Rotor STARFLEX Star AD/ECUREUIL/87

 Collective Pitch Lever Friction Mechanism AD/ECUREUIL/88

 Battery Lug Connection AD/ECUREUIL/89 Amdt 1

 Flight Control Stop Screws AD/ECUREUIL/90 Amdt 1

 Air Intake Cowling AD/ECUREUIL/91

 Camera System Installation AD/ECUREUIL/92

 Collective Lever Lock AD/ECUREUIL/93

 Hoist Hooks AD/ECUREUIL/94

 Engine Controls - Twist Grip Solenoid AD/ECUREUIL/95

 Rear Structure Junction Frame AD/ECUREUIL/96

 Pilot's Cyclic Stick Friction Washers AD/ECUREUIL/97

 Fuel - Fuel Bleed Lever AD/ECUREUIL/98

 Lateral Cargo Hold Doors AD/ECUREUIL/99

 Emergency Floatation Gear - All-up Operating Weight AD/ECUREUIL/100

 Hoist Operator's Belt Snap Hook AD/ECUREUIL/101


 Hydraulic System Cut Off AD/ECUREUIL/102

 Camera System Installation - 2 AD/ECUREUIL/103

 Hydraulic Fluid in Cold Weather AD/ECUREUIL/104

 BREEZE Hoist Hooks AD/ECUREUIL/105

 Tail Rotor Blade Trailing Edge Tab AD/ECUREUIL/106

 

Overview

The Airworthiness Directives 2004, enacted by the Civil Aviation Safety Authority (CASA), addresses the need to update and revoke existing airworthiness directives for specific helicopter models to ensure compliance with the latest safety standards. This legislative instrument, issued under the authority of subregulation 39.001(1) of the Civil Aviation Safety Regulations 1998, revokes and re-makes certain airworthiness directives for the Eurocopter AS 350 (Ecureuil) series helicopters. The primary objective of this legislative instrument is to ensure that the safety and airworthiness of these helicopters are maintained in accordance with current regulatory requirements, thus enhancing the overall safety of aviation operations in Australia. David Alan Villiers, as the delegate of the Civil Aviation Safety Authority, issued this legislative instrument on 20 December 2004, with each airworthiness directive being re-made in the same form as appears in the latest published edition of the directive. The revocation and remaking of these directives aim to streamline and update the regulatory framework governing the maintenance and operation of Eurocopter AS 350 (Ecureuil) series helicopters, thereby contributing to the safety and efficiency of the Australian aviation industry.

Scope and Application

The Airworthiness Directives 2004, promulgated under the authority of the Civil Aviation Safety Authority, specifically address the airworthiness of Eurocopter AS 350 (Ecureuil) series helicopters. These directives apply to all aircraft of this type registered in Australia, imposing stringent requirements for their maintenance, inspection, and modification to ensure ongoing compliance with safety standards. The directives cover various components and systems of the helicopter, including tail gearbox attaching lug screws, vibration absorber mounting flanges, and hydraulic pump driving pulleys, among others. The geographic reach of these directives is national, applying uniformly across all states and territories of Australia. While the directives themselves are comprehensive, their implementation may be subject to further regulation or clarification through subordinate instruments issued by the Civil Aviation Safety Authority. Certain directives have been revoked or amended as indicated in the attached schedules, reflecting updates or changes in safety standards and technological advancements. These directives are integral to maintaining the airworthiness and safety of the Eurocopter AS 350 (Ecureuil) series helicopters within Australia’s aviation framework.

Key Provisions

The Airworthiness Directives 2004, as issued by David Alan Villiers, a delegate of the Civil Aviation Safety Authority (CASA), contains several key sections that detail the revocation and remaking of specific airworthiness directives related to Eurocopter AS 350 (Ecureuil) Series Helicopters. These directives, outlined in Schedule 1, are critical in ensuring the safety and airworthiness of these aircraft. Specifically, certain directives are revoked (sections a) while others are remade as separate instruments (sections b), each corresponding to a specific airworthiness requirement or modification for the aircraft in question. The Schedule 1 lists the various directives, some of which are cancelled while others are retained or amended, reflecting updates or changes in safety standards. The obligations imposed by the Airworthiness Directives 2004 primarily concern aircraft operators, maintenance organisations, and other relevant entities involved in the operation and maintenance of Eurocopter AS 350 (Ecureuil) Series Helicopters. These entities must comply with the directives as remade and ensure that any modifications, inspections, or replacements specified in the directives are carried out in accordance with the prescribed standards. Non-compliance with these directives could potentially lead to the aircraft being deemed unairworthy, which would result in operational restrictions or grounding of the aircraft until the required actions are completed. Failure to comply with the provisions of the Airworthiness Directives 2004 can lead to serious consequences. The legislation does not explicitly detail the penalties for non-compliance, but generally, CASA has the authority to enforce compliance through various means, including fines, operational restrictions, or other administrative actions. In severe cases, continued non-compliance could result in prosecution under other aviation-related legislation, leading to criminal charges and potential imprisonment. The exact penalties would depend on the specific circumstances and the severity of the non-compliance, but the overarching aim is to ensure that all measures are taken to maintain the highest standards of air safety.

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Sourced from the Federal Register of Legislation at 26 August 2026. For the latest information on Australian Government law please go to https://www.legislation.gov.au.