330 Aviation Way
Frederick, MD 21701
Landmark Aviation - FDK provides avionics installation and repair, major and minor airframe maintenance, parts, pre-purchase evaluations, and is a wholesale parts dealership (Arnav, Aspen, Avidyne, Century Flight Systems, Cobham (S-TEC), DAC International, Eventide, Garmin, and Honeywell/Bendix/King). For technical support contact Robin Regester at firstname.lastname@example.org or (800) 545-9393. Hours: 0800 - 1630 EST, 24 hours on call.