1AZ0 - Mobile Airport Link to the gateway 1AZ0 - Mobile Airfield (Lufthansa Aviation Training) 1.0.1 Chatroom Rules (10.07.2020)
1B1 - COLUMBIA CO Link to the gateway 1B1 Columbia County Airport 1.0 (2013-12-06) 1B1 Scenery Pack 2.5 (2017-05-10) 1B1 Scenery Pack 2.5 (10.05.2017) 1B1 Columbia County Airport 1.0 (06.12.2013)
1B2 - KATAMA AIRPARK Link to the gateway Katama Airpark, 1B2. 1.2.5 (2011-10-14) 1B2 - Katama Airpark 1.0.0 (2017-05-23) 1B2 - Katama Airpark 1.0.0 (23.05.2017) Katama Airpark, 1B2. 1.2.5 (14.10.2011) South Beach Martha's Vineyard 1.0.0 (03.11.2020)
1B5 - Franconia Airport Link to the gateway Indian Head Resort 1.0 (2015-09-29) Franconia Gliderport 1B5 1.00 (2012-12-28) Indian Head Resort 1.0 (29.09.2015) Franconia Gliderport 1B5 1.00 (28.12.2012)
1C3 - Argyle Airport Link to the gateway 1C3 Argyle Airport 1.1 (2016-02-13) 1C3 Argyle Airport 1.1 (13.02.2016)