Contacts Home Press Contacts NetJets Service Sales By Location Appleton Dallas Las Vegas Minneapolis West Palm Beach Westfield By Aircraft Make Challenger Falcon Gulfstream Hawker Westwind   Appleton, Wisconsin (ATW) W6365 Discovery Drive Appleton, Wisconsin 54914-9190 Phone Number: (920) 735-7000 Fax Number: (920) 735-7178 Hours of Operation: Monday - Friday 5:00 a.m. until 11:30 p.m. Customer Support /Scheduling: Toll Free 1-866-271-GDAS   © 2008 General Dynamics Aviation Services. All Rights Reserved. A General Dynamics Company.