Electronic Systems Service and Support
General Customer Service Hotline: 1-800-443-9219
For specific systems, please select an option below:
Amherst Systems - Combat Training & Simulation
(716) 631-0610
Service and support for our electronic warfare simulation products.
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Denro Communication Systems
(301) 997-1219
24-hour support for our products.
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Navigation Systems Division Support for Military Customers
1-866-NGNAVSYS (646-2879)
Our support services include after market, field engineering, and logistics systems engineering services; technical publications; and technical training. Learn more>
Navigation Systems Division Support for Commercial Customers
1-866-NGNAVSYS (646-2879); worldwide 1-818-715-2500.
Our support services include navigation data services; LTN/LTR publication index; service bulletin and service information letter index; training services. Learn more>
Sperry Marine Smart Ship Control, Defense, and Navigation Systems
North America: (800) 243-3330; international: +1 (434) 974-2521.
ServiceNet and Sperry Marine's worldwide service and support network. Learn more>
SureCALŪ Automated Calibration Software
1-800-913-3773
Live customer support and a range of annual support plans. Learn more>