EASA Regulations for Textron Aviation Citation

1 airworthiness directives and regulations affecting Textron Aviation Citation.

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New ADs and bulletins for Textron Aviation Citation, summarized like the ones below, every Monday.

EASA AD US-2021-08-15

Apr 14, 2021

GARMIN INTERNATIONAL - GTS Processor Units - Software Update

Federal Aviation Administration Airworthiness Directive 2021-08-15 is a final rule addressing certain Garmin International GMN-00962 GTS processor units (GTS 825, GTS 855, GTS 8000) installed on various aircraft including Textron Aviation Citation models, Embraer Phenom 100 and 300, Learjet 70 and 75, and Viking Air Limited Model SD3-60 Sherpa modified by Field Aerospace STC ST00865DE. The directive targets software versions 3.13 or earlier (except 3.12.1) of these units due to false resolution advisories that may cause unsafe conditions. It mandates a software update to correct this issue and improve flight safety.

Airworthiness Directive
  • Textron Aviation Citation
  • Embraer Phenom 100
  • Embraer Phenom 300
  • Learjet 70
  • Learjet 75
  • Viking Air Limited SD3-60 Sherpa