FS2Crew – IFly 737NG Voice Commander Edition
Combine the iFly 737NG with FS2Crew and you experience the most realistic 737 experience for FS2004. FS2Crew released its Voice Commander Edition for FS2004, note it will be upgraded for free to FSX when the iFly is available for FSX as well.
Virtavia – T-28 Freeware
Virtavia considered their T-28 Trojan was not anymore of today’s standards for a payware aircraft. That’s why they have made freeware the former coach of the U.S. Navy and U.S. Air Force released as freeware. The FSX native model can be downloaded here.
FeelThere – Tower 2011 KLAS Las Vegas addon
Another airport exists as expansion to Feelthere Tower! 2011. Las Vegas KLAS has 4 runways to challenge your controller skills. This expansion can be installed for multiplayer or single player version.