A young pilot spelled "I'm bored" across the sky during a routine test flight. This journey was a scheduled test run after maintenance work on the aircraft. The pilot's creative route became the flight's most talked-about feature. Aviation experts see little reason for concern given the mission's nature.

Pilot took off from Liverpool and spent 20 minutes tracing out the phrase in tight loops at height of over 300 metres

The single-engined Piper Tomahawk was seen on the popular flight-tracking website FlightRadar24 tracing out the words.

Young pilot made his feelings known about having to carry out test flight on a light aircraft