Flying Machine

Flying Machine summons a gyrocopter-like flying machine. It seems to resemble the dwarven variant (as seen in Warcraft III) of the original gnomish flying machine (as seen in Warcraft II). It is a rare-quality flying mount available only to engineers and features two distinct modes: a hovering terrestrial version where the engines are stationed vertically, and an aerial mode where a horizontal propeller is deployed from the machine's chassis. If not moving and standing on ground, the gyrocptor may randomly stop working and just smash to the ground. Similarly, if you are staying still while midair, the engine will fail and you will drop down a bit, but then restart within 4 seconds or if you move. This will not cause any damage to you, and will start working as soon as you move. The version of this mount is the Turbo-Charged Flying Machine.

Mount Journal
The backbone of the Alliance air force is comprised predominantly of gnomish flying machines due to their maneuverability and speed.

Source
This item is created with Engineering (300); taught by trainers.

Trivia

 * The Flying Machine appears as a common card in the Goblins vs Gnomes expansion of Hearthstone. The flavor text reads: "To operate, this contraption needs a hula doll on the dashboard. Otherwise it's just a "falling machine.""