52
line stations
The largest network of its kind
A 2.9 million-square-foot maintenance center in San Francisco, California
14,200+
personnel
9,400+ aviation maintenance technicians (AMTs)
4,800+ engineers and support employees
Our capabilities and civil aviation certifications
Fleets
Boeing
B737
B747
B757
B767
B777
B787
Airbus
A319
A320
A321
A330
A380
Engines
Pratt & Whitney
PW2000
PW4056
PW4060
PW4077
PW4090
CFM International
CFM56-7B
CF6-80C2
LEAP
General Electric
GE90
GEnx
Rolls-Royce
RB211
International Aero Engines AG
V2500
Certifications
FAA PART 121
FAA PART 145
FAA ODA
FAA/EASA dual release
FAA 8100-9
Airbus RDAS
CAAS
EASA
JCAB
MOLIT
TCCA
Capabilities vary by station. See station capabilities 
News and events
APR 8-10 2025
Aviation Week MRO Americas 2025
Atlanta, GA
Our leadership
John Wiitala
Vice President and Chief Engineer, Tech Ops Safety and Compliance
Paul Joklik
Managing Director, Ground Service Equipment (GSE) and Facilities
Zach Shapiro
Managing Director, Tech Ops Strategy and Performance
