Definition
Prominent ground features used by pilots for visual navigation and position awareness, such as towns, roads, railroads, rivers, lakes, coastlines, mountains, and large structures. Landmarks are identified on aeronautical charts and matched to what the pilot sees outside the aircraft to confirm location and track.
Plain English
Things on the ground that are easy to spot and easy to find on a chart, used to keep track of where you are while flying.
Context Anchor
Used during preflight planning and visual flying when choosing checkpoints along a route and confirming the airplane’s position from what can be seen outside.
Derivation
From 'land' plus 'mark' — literally a mark on the land. Originally a boundary marker; in aviation it means any ground feature distinctive enough to serve as a recognisable reference point from the air.
Why Pilots Care
Landmarks enable reliable pilotage and situational awareness when instruments or GPS are unavailable or unreliable.
Analogy
Like using a tall building or a bend in the river as a signpost when driving through unfamiliar countryside.
Intuition Check
A landmark does not have to be famous or labeled on a sign. In aviation, it only needs to be recognizable from the air and useful for knowing your position.
Example Sentence 1
During preflight planning, the pilot picked out several landmarks along the route — a lake, a highway interchange, and a railroad bridge — to confirm position every few miles.
Example Sentence 2
The pilot confirmed the airplane's position by matching the large silo below with the landmark marked on the chart.