True altitude

Definitions

• The vertical distance of the airplane above sea level—the actual altitude. It is often expressed as feet above mean sea level (MSL). Airport, terrain, and obstacle elevations on aeronautical charts are true altitudes.
• The actual height of an object above mean sea level.
• The vertical distance of the airplane above sea level. the actual altitude. It is often expressed as feet above mean sea level (MSL). Airport, terrain, and obstacle elevations on sectional charts are true altitudes.

References

• Airplane Flying Handbook, Federal Aviation Administration, 2021
• Helicopter Flying Handbook, Federal Aviation Administration, 2019
• Rotorcraft Flying Handbook, Federal Aviation Administration, 2000
• Weight-Shift Control Aircraft Flying Handbook, Federal Aviation Administration, 2008