Definition
An air traffic controller working in the control tower of an airport, responsible for issuing instructions and clearances to aircraft operating on the runways, taxiways, and in the immediate airspace surrounding the airport.
Plain English
The person in the control tower who tells pilots when they can taxi, take off, and land at a controlled airport.
Context Anchor
You encounter this term before takeoff, when listening to or talking with the airport control tower for taxi and takeoff instructions.
Derivation
Tower comes from old words for a tall structure. Operator comes from a Latin word meaning “to work.” In aviation, the phrase points to the person working the control tower, not the tower building itself.
Why Pilots Care
The tower operator keeps aircraft from colliding on runways and taxiways and ensures orderly departures and arrivals.
Intuition Check
Do not read this as someone who operates a physical tower like a machine. In this context, the tower operator is the air traffic control person giving instructions from the airport control tower.
Example Sentence 1
Before taxiing onto the runway, the pilot waited for takeoff clearance from the tower operator.
Example Sentence 2
While taxiing, the student pilot followed instructions from the tower operator to hold short of the runway.