American Airlines recognized five of its top aviation maintenance technicians (AMTs) for their exceptional work in their field as recipients of this year’s Ken MacTiernan Excellence in Aviation Maintenance Award. Since 2019, the award has been honoring AMTs at American who exhibit the qualities of professional AMTs, strive to uphold the highest standards in aircraft maintenance and support and promote the profession.

The award's namesake, San Diego-based Ken MacTiernan, has been an AMT with American for more than 38 years and is most notably known for being instrumental in creating National AMT Day. The nationally observed day (May 24) is designated to honor AMTs who are committed to maintaining safe and reliable aircraft.

The 2024 honorees are:

Edmund (Ed) Bossart
Los Angeles (LAX)
44 years of AMT service

Joni Haddorff
Las Vegas (LAS)
24 years of AMT service

Armen Hambartsounian
Los Angeles (LAX)
25 years of AMT service

Dennis Lyle
Tulsa, Okla. (TUL)
35 years of AMT service

John Wong
Kingston, Jamaica (KIN)
35 years of AMT service