Press [Ctrt] + [Alt] + A in Google Earth v4.2 and higher to start a secret flight simulator that takes full advantage of Google's extensive satellite imagery. The flight controls are as follows.

Effect	Key
Aileron left	[Left Arrow]
Aileron right	[Right Arrow]
Center aileron and rudder	C
Elevator pull	[Down Arrow]
Elevator push	[Up Arrow]
Elevator trim nose down	[Home]
Elevator trim nose up	[End]
Increase flap setting	] or F
Increase thrust	[Page Up]
Left wheel brake	[Comma]
Pause simulation	[Space]
Reduce flap setting	[ or [Shift] + F
Reduce thrust	[Page Down]
Right wheel brake	[Period]
Rudder left	[Keypad Insert] or [Shift] + [Left]
Rudder right	[Keypad Enter] or [Shift] + [Right]
Toggle HUD	H
Toggle landing gear	G