Aircraft on ground (AOG) / Global Emergency Maintenance (GEM)

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GEM events
Need help?
Phone 866-UAL-5GEM
(866-825-5436)
Outside the U.S. +1-847-700-9995
Sita UAGEMUA
E-mail GEM@unitedtechops.com
Lu Brigham
Account Manager
Line Maintenance Customer Support
lu.brigham@united.com
Office: 847-700-3913
Cell: 650-302-8640
Mark Ferry
Manager
MRO, GEM Sales and Customer Support
mark.ferry@united.com
Office: 215-492-4616
Cell: 856-625-0030

There for you around the clock, and around the world

Unplanned maintenance events can be costly and inconvenient, so let our Global Emergency Maintenance team bring solutions to you. Our GEM team is equipped to handle aircraft-on-ground situations 24 hours a day, 7 days a week, 365 days a year, and will have you back in the air in no time.

Our capabilities and certifications

Fleets

Boeing
B737
B747
B757
B767
B777
B787
Airbus
A319
A320
A380

Engines

Pratt & Whitney
PW2000
PW4056
PW4060
PW4077
PW4090
CFM International
CFM56-7B
CF6-80C2
General Electric
GE90
GEnx
Rolls-Royce
RB211
International Aero Engines AG
V2500

Certifications

FAA 8100-9
Airbus RDAS
CAA
CAAC
CAAS
DCA
EASA
JCAB
MOLIT
Capabilities vary by station
See station capabilities
  • Borescope Inspections
  • Fuel-tank entry
  • Technical support across all ATA chapters
  • Structural and composite repairs
  • Chronic system repair
  • Flight control replacement
  • Non-routine defect rectification
  • Engine repairs

Some of our work

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Line maintenance station capabilities
ATL
Daily coverage
24 hr
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
AUS
Daily coverage
24 hr
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
BOS
Daily coverage
24 hr
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
CLE
Daily coverage
24 hr
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
DCA
Daily coverage
24 hr
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
DEN
Daily coverage
24 hr
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
DFW
Daily coverage
24 hr
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
EWR
Daily coverage
24 hr
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
EZE
Daily coverage
08:00-22:30
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
FLL
Daily coverage
24 hr
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
GUM
Daily coverage
24 hr
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
HNL
Daily coverage
24 hr
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
IAD
Daily coverage
24 hr
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
IAH
Daily coverage
24 hr
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
JFK
Daily coverage
24 hr
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
KIX
Daily coverage
11:00-22:00
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
KOA
Daily coverage
11:00-00:00
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
LAS
Daily coverage
24 hr
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
LAX
Daily coverage
24 hr
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
LGA
Daily coverage
24 hr
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
LHR
Daily coverage
05:30-00:30
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
LIH
Daily coverage
12:00-22:30
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
MCO
Daily coverage
24 hr
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
MEX
Daily coverage
24 hr
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
MIA
Daily coverage
12:00-19:00
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
MSY
Daily coverage
24 hr
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
NRT
Daily coverage
05:00-22:00
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
OGG
Daily coverage
11:00-00:00
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
ORD
Daily coverage
24 hr
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
PDX
Daily coverage
24 hr
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
PHL
Daily coverage
24 hr
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
PHX
Daily coverage
24 hr
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
SAN
Daily coverage
24 hr
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
SAT
Daily coverage
24 hr
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
SEA
Daily coverage
24 hr
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
SFO
Daily coverage
24 hr
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
SMF
Daily coverage
22:00-08:30
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
SNA
Daily coverage
24 hr
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
SYD
Daily coverage
05:30-15:30
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
TPA
Daily coverage
24 hr
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500
TPE
Daily coverage
05:00-01:30
Aircraft
HGR
A319
A320
A380
B737
B747
B757
B767
B777
B787
Engines
CF6
GE90
GEnx
CFM56
PW2000
PW4000
RB211
V2500