EASA Regulations for Bell 206B

3 airworthiness directives and regulations affecting Bell 206B.

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New ADs and bulletins for Bell 206B, summarized like the ones below, every Monday.

EASA AD CF-2020-15

May 14, 2020

Tail Rotor Drive — Failure of Tail Rotor Drive Shaft Coupling Bolted Connections

Canadian Airworthiness Directive CF-2020-15 addresses the failure risk of tail rotor drive shaft coupling bolted connections on Bell Textron Canada Limited model 206 series helicopters, including 206, 206A, 206B, and 206L variants. The directive mandates replacement of certain MS21042-series nuts with more reliable NAS9926-series nuts or alternate parts to prevent loss of tail rotor drive and potential loss of helicopter control. It also covers specific configurations affected by Supplemental Type Certificates SH2750NM and SH99-202 and provides tailored corrective actions for different helicopter groups.

Airworthiness Directive
  • Air Comm Corporation CAA UK AAN 25273
  • Bell 206
  • Bell 206A
  • Bell 206B
  • Bell 206L

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 SIB SW-11-24

Mar 29, 2011

Garmin 400/500 series GPS on Rotorcraft with Aeroplane (fixed-wing) TAWS Function Activated

The FAA Special Airworthiness Information Bulletin SAIB: SW-11-24 addresses the use of Garmin 400/500 series GPS Navigation Systems with the airplane Terrain Awareness and Warning System (TAWS) function activated on rotorcraft. It highlights that these TAWS functions are designed for fixed-wing airplanes and are not approved for rotorcraft, such as helicopters, due to differences in operational altitudes and system algorithms. The bulletin specifically mentions rotorcraft equipped with these Garmin systems and the Bell 206B helicopter model with an approved HTAWS STC.

Safety Information Bulletin
  • Bell 206B