Definition
An airplane designed to take off from and land on solid ground using wheels as its landing gear, as distinguished from a seaplane (which operates from water) or a skiplane (which operates from snow or ice).
Plain English
A regular wheeled airplane that operates from runways or other solid surfaces on the ground.
Context Anchor
Seen in aircraft class descriptions, light-sport aircraft discussions, and pilot privileges that specify what kind of airplane a pilot may fly.
Derivation
A simple compound of 'land' and 'plane.' The word exists because once seaplanes and skiplanes appeared, aviation needed a term to specifically mean 'the kind that operates from land' rather than just 'airplane.'
Why Pilots Care
Pilot certificates, ratings, and aircraft category endorsements distinguish between landplanes, seaplanes, and skiplanes. A pilot rated for a landplane is not automatically authorized to fly the seaplane or skiplane version of the same aircraft.
Intuition Check
A landplane is not simply any airplane that is currently on the ground. It means an airplane built and equipped to operate from land surfaces.
Example Sentence 1
The student earned her sport pilot certificate in a landplane and later added a seaplane rating.
Example Sentence 2
Many light-sport aircraft are available in both landplane and seaplane configurations.