EASA Regulations for Airbus Helicopters AS 350 BB

4 airworthiness directives and regulations affecting Airbus Helicopters AS 350 BB.

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New ADs and bulletins for Airbus Helicopters AS 350 BB, summarized like the ones below, every Monday.

EASA AD 2025-0159R1

Oct 19, 2026

Placards and Markings – Unlock Sliding Door – Installation

EASA Airworthiness Directive 2025-0159R1 is an updated regulatory requirement addressing the installation of safety placards and markings for unlocking sliding doors on Airbus Helicopters models AS 350, AS 355, EC 120, and EC 130. This directive applies to all serial numbers of these helicopters except certain EC 120 B models with specific serial numbers. The directive mandates the installation of additional safety labels to improve emergency exit instructions.

Airworthiness Directive
  • Airbus Helicopters AS 350
  • Airbus Helicopters EC 130
  • Airbus Helicopters AS 350 B
  • Airbus Helicopters AS 350 B1
  • Airbus Helicopters AS 350 B2
  • Airbus Helicopters AS 350 B3
  • Airbus Helicopters AS 350 BA
  • Airbus Helicopters AS 350 BB
  • Airbus Helicopters AS 350 D
  • Airbus Helicopters EC 130 B4
  • Airbus Helicopters AS 355
  • 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
  • Airbus Helicopters EC 120 B
  • Airbus Helicopters EC 120

EASA AD 2010-0006-CN

Aug 20, 2021

CANCELLED: Time Limits / Maintenance Checks — Tail Rotor Pitch-Change Links — Inspection

EASA Airworthiness Directive Cancellation Notice 2010-0006-CN cancels the previous EASA AD 2010-0006 concerning time limits and maintenance checks for tail rotor pitch-change links on Airbus Helicopters AS 350 and AS 355 models. This cancellation applies to all serial numbers of AS 350 B, BA, BB, B1, B2, B3, D and AS 355 E, F, F1, F2, N, NP helicopters equipped with affected tail rotor pitch-change link parts. The notice confirms that the inspection requirements have been incorporated into updated Airworthiness Limitations Sections for these helicopter models.

Agency Decision
  • 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 350 D
  • 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 2019-0280

Nov 19, 2019

Main Rotor — Spherical Bearing — Inspection / Time Limit

EASA Airworthiness Directive 2019-0280 is an airworthiness directive issued for Airbus Helicopters AS 350 BB models. It addresses the inspection and life limit requirements for the main rotor spherical thrust bearing, part number 579085. The directive mandates inspections and replacement of these bearings to ensure continued airworthiness.

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

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