Airspeed Indicator

The Airspeed Indicator displays how fast your aircraft is going relative to the ground. Every aircraft takes off at a speed of 40, landing at a speed of 35.

Water
If you touch the water at a speed above 50 in any plane, you will crash.

Trivia

 * The airspeed indicator is misspelled, it should say AIRSPEED, but it says AIRSPEE.