Microsoft Flight Simulator 4.0: Sound, Graphics & Aircraft Upgrade

This is an addon for Microsoft Flight Simulator 4.0 which includes:

- Four new aircraft types: Concorde SST, P-51D, Laird Turner Meteor Racer and Spectrum Beaver RX 550 Ultralight.
- New sound and speech (for control tower and flight instructor).
- Higher resolution graphics and instrument panel detail.