These units are now repaired/supported by Duncan Aviation.

To remove the EX500/600, you will need: Avionics standard 3/32 allen wrench.

FSD, ATD150, MHD300, EX500 and EX600 product lines, D98-00001-58B, 1/2 3 ATI

Duncan Technical Support

•Normal Business Hours Ph: 800-562-6377 (Int’l 402-475-2611/ Avionics Repair)

–Monday – Friday 7am – 5pm CST

–Operator directs calls

[email protected]

Bi-lingual Contacts: Matthews Pastor Parts and Rotables Sales Direct Line: +1-402-479-4218 Email: [email protected]

Christian Avelino Customer Sales and Service Representative Direct Line: +1-402-479-1560 Email: [email protected]

After hours in Central Time Zone USA: [email protected] 24-7 Team Lead is Shirley Crouch 24-7 Crew Lead is Sandra Phelps

(the above numbers and contacts are kept up to date, the attached document from 2007, may have incorrect details.)