In short, you can send your commments to the FAA through any of these four (4) methods:
Identified by docket number
FAA-2019-1100
1. Federal eRulemaking Portal: Go to
Regulations.gov
2. Send your comments electronically.
Docket Operations, M-
30; U.S. Department of
Transportation (DOT)
1200 New Jersey Avenue, SE, Room W12-140
West Building Ground Floor
Washington, DC 20590-0001.
3.
Hand Delivery or Courier:
Docket Operations in Room W12 -140
of the West Building Ground Floor at 1200
New Jersey Avenue, SE
Washington, DC
(Between 9a.m. and 5 p.m., Monday through Friday -
Except Federal holidays)
4. Fax comments to Docket Operations at 202-493-2251
And contact your states senators