Mi-26 Halo (biggest helicopter in the world): Mil Mi-26 Halo (largest mass produced heli) [Add-On] - GTA5-Mods.com
F104 Starfighter (just a cool 3rd gen fighter jet): F-104C Starfighter [Add-On] - GTA5-Mods.com
Tupolev Tu-144D (soviet Concorde): Tupolev Tu-144D Charger [Add-On] - GTA5-Mods.com