Jet

The Jet has been seen in the second trailer. It also appeared in GTA V.

Rockstar has not shared more about the Jet yet. This page grows as new trailers and screenshots come out.

More planes and airships

Dodo
Seen in official screenshots. Earlier in games including GTA Vice City, GTA San Andreas and GTA V.
Duster
Seen in the launch trailer. Earlier in GTA V.
Luxor
Seen in the Extended Look. Earlier in GTA V.
Mammatus
Seen in official artwork. Earlier in GTA V.
Shamal
Seen in official screenshots. Earlier in GTA San Andreas and GTA V.
Mallard
Earlier in GTA V.
Nimbus
Seen in the first trailer. Earlier in GTA Online.
Tethered Aerostat Radar System-inspired aircraft
New to the series
Seen in the second trailer.
Twinjet
New to the series